Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
084
FPUS55 KTFX 181027
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
427 AM MDT Sat Jul 18 2026
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Sunday.
MTZ301-182200-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. Highs 70 to 82. Southwest winds 5 to 15 mph with
gusts to around 30 mph increasing to 15 to 20 mph with gusts to
around 40 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 52 to 58. Southwest winds 10 to
20 mph with gusts to around 40 mph.
.SUNDAY...Breezy, sunny. Highs 69 to 79. Southwest winds 10 to
15 mph with gusts to around 35 mph shifting to the west 15 to
25 mph with gusts to around 45 mph in the afternoon.
.SUNDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows 48 to 54. West winds 10 to 15 mph with gusts to around
35 mph shifting to the northwest after midnight.
.MONDAY...Mostly sunny. Highs 65 to 75. North winds up to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 50 to 56. Highs
68 to 78.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms
in the afternoon. Highs 72 to 82.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers in the evening, then mostly cloudy after midnight. Lows
in the upper 50s.
.THURSDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 72 to 82. Chance
of precipitation 30 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of thunderstorms. Lows in the upper 50s. Highs 73 to 83.
$$
MTZ307-182200-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. Slight chance of rain showers early in the
afternoon. Slight chance of thunderstorms late in the afternoon.
Highs 73 to 85. West winds up to 15 mph. Gusts up to 30 mph in
the afternoon. Chance of precipitation 20 percent.
.TONIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 51 to 57. West winds 5 to 15 mph with gusts
to around 30 mph.
.SUNDAY...Sunny. Highs 71 to 83. West winds 5 to 15 mph. Gusts up
to 30 mph increasing to 40 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 48 to 54. West winds up to
15 mph. Gusts up to 35 mph in the evening.
.MONDAY...Mostly sunny. Highs 68 to 78. Northeast winds up to
10 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 51 to 57.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 69 to 79. Lows
53 to 59.
.WEDNESDAY...Mostly sunny. A 40 percent chance of rain showers in
the afternoon. Highs 73 to 83.
.WEDNESDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows 54 to 60.
.THURSDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 73 to 83. Chance
of precipitation 40 percent.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers in the evening. Lows 54 to 60.
.FRIDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 75 to 85. Chance of
precipitation 30 percent.
$$
MTZ302-182200-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. A 20 percent chance of thunderstorms late in the
afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph
with gusts to around 25 mph increasing to 15 to 20 mph with gusts
to around 35 mph in the afternoon.
.TONIGHT...Mostly clear. A 20 percent chance of thunderstorms in
the evening. Lows in the upper 50s. Southwest winds 5 to 15 mph.
Gusts up to 35 mph in the evening.
.SUNDAY...Breezy, sunny. Highs 81 to 87. West winds 5 to 10 mph
increasing to 15 to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
5 to 15 mph. Gusts up to 35 mph in the evening.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the mid 50s.
Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A 20 percent
chance of rain showers. Highs in the mid 80s. Lows in the upper
50s.
.THURSDAY THROUGH FRIDAY...Partly cloudy with a 20 percent chance
of thunderstorms. Highs in the upper 80s. Lows around 60.
$$
MTZ308-182200-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. Slight chance of rain showers early in the
afternoon. Slight chance of thunderstorms late in the afternoon.
Highs in the lower 90s. Southwest winds up to 10 mph. Gusts up to
30 mph in the afternoon. Chance of precipitation 20 percent.
.TONIGHT...Partly cloudy. Chance of thunderstorms in the evening,
then slight chance of thunderstorms after midnight. Lows in the
upper 50s. West winds 5 to 15 mph. Gusts up to 30 mph in the
evening. Chance of thunderstorms 30 percent.
.SUNDAY...Sunny. Highs in the lower 90s. Southwest winds up to
10 mph shifting to the west with gusts to around 35 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph. Gusts up to 30 mph in the evening.
.MONDAY...Mostly sunny. Highs in the lower 80s. North winds up to
10 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 80s.
Lows in the lower 60s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of showers in the
afternoon. Highs around 90.
.WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of showers
in the evening. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the upper 80s. Chance of
precipitation 40 percent.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers
in the evening. Lows in the lower 60s.
.FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 90s.
$$
MTZ303-182200-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. A 20 percent chance of thunderstorms late in the
afternoon. Highs in the lower 90s. Southwest winds up to 10 mph
increasing to 10 to 15 mph with gusts to around 35 mph in the
afternoon.
.TONIGHT...Partly cloudy. A 30 percent chance of thunderstorms in
the evening. Lows in the upper 50s. Southwest winds 5 to 15 mph.
Gusts up to 35 mph in the evening.
.SUNDAY...Sunny. Highs in the upper 80s. West winds 5 to 10 mph
increasing to 15 to 20 mph with gusts to around 35 mph in the
afternoon.
.SUNDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows in the mid 50s. Northwest winds 10 to 20 mph with gusts to
around 35 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. North winds 5 to
15 mph.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the upper 50s.
Highs in the lower 80s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 60.
Highs in the upper 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A 20 percent
chance of rain showers. Lows in the lower 60s. Highs in the upper
80s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of thunderstorms. Lows in the lower 60s. Highs in the lower 90s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 91 57 87 / 20 20 0
$$
MTZ304-182200-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of showers early in the morning. Slight chance of
thunderstorms late in the afternoon. Highs 90 to 96. Southwest
winds up to 10 mph. Gusts up to 30 mph in the afternoon. Chance
of precipitation 20 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows in the lower 60s. West winds 5 to 15 mph
with gusts to around 30 mph. Chance of thunderstorms 40 percent.
.SUNDAY...Sunny. Highs 87 to 93. West winds 5 to 10 mph
increasing to 10 to 20 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 10 to 20 mph.
.MONDAY...Mostly sunny. Highs 78 to 84. Northwest winds 5 to
15 mph with gusts to around 30 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.TUESDAY...Partly sunny. Highs 82 to 88.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
60s. Highs 86 to 92.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A 20 percent
chance of showers. Lows in the lower 60s. Highs 86 to 92.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 60s.
.FRIDAY...Mostly sunny. A 20 percent chance of showers in the
afternoon. Highs 90 to 96.
$$
MTZ305-182200-
Hill County-
Including the city of Havre
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of showers in the morning.
Chance of thunderstorms late in the afternoon. Highs in the mid
90s. Southwest winds up to 10 mph. Chance of precipitation
30 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows in the lower 60s. Southwest winds 5 to
15 mph. Chance of thunderstorms 40 percent.
.SUNDAY...Sunny. Highs in the lower 90s. West winds 5 to 15 mph.
Gusts up to 30 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph with gusts to around 30 mph.
.MONDAY...Not as warm. Sunny. Highs in the lower 80s. Northwest
winds 10 to 15 mph with gusts to around 30 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 50s.
.TUESDAY...Partly sunny. Highs in the mid 80s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 60.
Highs in the lower 90s.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the lower 60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance
of thunderstorms. Highs in the lower 90s. Lows in the lower 60s.
.FRIDAY...Mostly sunny. Highs in the mid 90s.
&&
TEMPERATURE / PRECIPITATION
Havre 97 63 95 / 30 30 0
$$
MTZ306-182200-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of showers until late
afternoon, then chance of thunderstorms late in the afternoon.
Highs in the lower 90s. South winds 5 to 15 mph. Chance of
precipitation 40 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms. Lows in the lower 60s. South winds 5 to 10 mph.
.SUNDAY...Breezy, sunny. Highs 89 to 95. West winds 10 to 15 mph
increasing to 15 to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph. Gusts up to 35 mph in the evening.
.MONDAY...Not as warm. Sunny. Highs in the lower 80s. Northwest
winds 10 to 20 mph with gusts to around 35 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.TUESDAY...Partly sunny. Highs in the mid 80s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 60.
Highs around 90.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the lower 60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance
of thunderstorms. Highs around 90. Lows in the lower 60s.
.FRIDAY...Mostly sunny. Highs in the lower 90s.
$$
MTZ309-182200-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. A 30 percent chance of thunderstorms late in the
afternoon. Highs in the mid 90s. Southwest winds up to 10 mph.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows in the upper 50s. West winds 5 to 10 mph.
Gusts up to 25 mph in the evening. Chance of thunderstorms
40 percent.
.SUNDAY...Sunny. Highs in the mid 90s. West winds up to 5 mph
increasing to 10 to 15 mph with gusts to around 30 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph. Gusts up to 30 mph in the evening.
.MONDAY...Not as warm. Sunny. Highs in the lower 80s. North winds
5 to 10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
upper 50s. Highs in the mid 80s.
.WEDNESDAY...Mostly sunny. Highs in the lower 90s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A 20 percent
chance of showers. Lows in the lower 60s. Highs in the lower 90s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of thunderstorms. Lows in the lower 60s. Highs in the mid 90s.
$$
MTZ310-182200-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. Patchy fog early in the morning. Slight chance of
showers early in the morning. Chance of thunderstorms late in the
afternoon. Highs in the mid 90s. Southwest winds up to 10 mph.
Chance of precipitation 30 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows in the lower 60s. Southwest winds 5 to
10 mph. Chance of thunderstorms 40 percent.
.SUNDAY...Sunny. Highs in the mid 90s. West winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph.
.MONDAY...Not as warm. Sunny. Highs in the mid 80s. Northwest
winds 5 to 10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the upper 80s.
.WEDNESDAY...Mostly sunny. Highs in the lower 90s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. A 20 percent chance of showers. Lows in the mid
60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance
of thunderstorms. Highs in the lower 90s. Lows in the mid 60s.
.FRIDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs in the mid 90s.
$$
MTZ311-182200-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of rain showers until late
afternoon, then slight chance of thunderstorms late in the
afternoon. Highs 89 to 95. Southwest winds up to 10 mph. Chance
of precipitation 20 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms. Lows in the mid 60s. Southwest winds up to 10 mph.
.SUNDAY...Sunny. Highs 89 to 95. West winds 5 to 15 mph with
gusts to around 30 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northwest winds up
to 15 mph. Gusts up to 30 mph in the evening.
.MONDAY...Sunny. Highs 80 to 86. Northwest winds 5 to 15 mph with
gusts to around 30 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly sunny. Highs 81 to 87.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
60s. Highs 87 to 93.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 87 to 93. Chance
of precipitation 30 percent.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the mid 60s.
.FRIDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs 90 to 96.
$$
MTZ312-182200-
Cascade County below 5000ft-
Including the city of Great Falls
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. A 30 percent chance of thunderstorms late in the
afternoon. Highs 90 to 96. Southwest winds up to 10 mph.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms. Lows in the lower 60s. Southwest winds 5 to
10 mph.
.SUNDAY...Sunny. Highs 90 to 96. Southwest winds up to 10 mph
shifting to the west with gusts to around 30 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 10 to 15 mph with gusts to around 30 mph shifting to the
west after midnight.
.MONDAY...Not as warm. Sunny. Highs in the lower 80s. North winds
up to 10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the upper 80s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms
in the afternoon. Highs 89 to 95.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of showers in the
evening, then slight chance of showers after midnight. Lows in
the lower 60s. Chance of showers 30 percent.
.THURSDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs 88 to 94. Chance of
precipitation 40 percent.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 60s.
.FRIDAY...Sunny in the morning, then partly sunny with chance of
showers and slight chance of thunderstorms in the afternoon.
Highs 92 to 98. Chance of precipitation 40 percent.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 95 61 95 / 30 30 0
$$
MTZ313-182200-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Slight chance of thunderstorms early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs around 90. Southwest
winds up to 10 mph shifting to the northwest in the afternoon.
Chance of thunderstorms 40 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms. Lows in the upper 50s. South winds 5 to 10 mph.
.SUNDAY...Sunny. Highs in the lower 90s. West winds up to 10 mph.
Gusts up to 30 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds up to 15 mph. Gusts up to 30 mph in the evening.
.MONDAY...Not as warm. Sunny. Highs in the lower 80s. Northwest
winds 5 to 15 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
upper 50s. Highs in the mid 80s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms
in the afternoon. Highs in the upper 80s.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows around 60. Chance of
precipitation 40 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs in the upper 80s. Chance of
precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows around 60. Chance of precipitation
40 percent.
.FRIDAY...Sunny in the morning, then partly sunny with a
40 percent chance of thunderstorms in the afternoon. Highs around
90.
$$
MTZ314-182200-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. Slight chance of rain showers early in the
morning. Slight chance of thunderstorms late in the afternoon.
Highs in the lower 90s. South winds up to 5 mph shifting to the
northwest in the afternoon. Chance of precipitation 20 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms. Lows 60 to 68. South winds up to 10 mph.
.SUNDAY...Sunny. A 20 percent chance of rain showers in the
afternoon. Highs in the lower 90s. West winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 58 to 64. Northwest winds up
to 10 mph. Gusts up to 25 mph in the evening.
.MONDAY...Sunny. Highs 82 to 88. Northwest winds 10 to 15 mph
with gusts to around 30 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 57 to
66. Highs in the mid 80s.
.WEDNESDAY...Mostly sunny. Highs 88 to 94.
.WEDNESDAY NIGHT...Partly cloudy with slight chance of
thunderstorms in the evening, then mostly cloudy with chance of
rain showers after midnight. Lows 61 to 67. Chance of
precipitation 30 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 88 to 94. Chance of
precipitation 50 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of thunderstorms. Lows 61 to 67. Highs 91 to 97.
&&
TEMPERATURE / PRECIPITATION
Lewistown 89 57 90 / 30 40 20
$$
MTZ315-182200-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of rain showers early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs 78 to 88. West winds
up to 10 mph. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows 54 to 60. West winds up to 10 mph. Chance of
thunderstorms 40 percent.
.SUNDAY...Sunny. Highs 77 to 87. West winds up to 15 mph. Gusts
up to 30 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 58. West winds up to
15 mph. Gusts up to 30 mph in the evening.
.MONDAY...Sunny. Highs 72 to 82. North winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 54 to 60.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 74 to 84. Lows
56 to 62.
.WEDNESDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 78 to 88. Chance
of precipitation 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows 57 to 63. Chance of
precipitation 40 percent.
.THURSDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 77 to 87. Chance
of precipitation 50 percent.
.THURSDAY NIGHT...Partly cloudy. Slight chance of thunderstorms
in the evening, then slight chance of rain showers after
midnight. Lows 57 to 63. Chance of precipitation 20 percent.
.FRIDAY...Mostly sunny. A 40 percent chance of thunderstorms in
the afternoon. Highs 79 to 89.
$$
MTZ316-182200-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of thunderstorms late in the afternoon. Highs
85 to 93. Southwest winds 5 to 10 mph. Chance of precipitation
40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows around 60. Southwest winds up to 10 mph.
Chance of thunderstorms 50 percent.
.SUNDAY...Sunny. Highs 85 to 93. Southwest winds up to 10 mph
shifting to the west with gusts to around 30 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
5 to 15 mph with gusts to around 30 mph decreasing to up to 5 mph
after midnight.
.MONDAY...Sunny. Highs 77 to 85. North winds up to 15 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 80 to 88. Lows
in the lower 60s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms
in the afternoon. Highs 84 to 92.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of showers in the
evening, then slight chance of showers after midnight. Lows in
the lower 60s. Chance of showers 40 percent.
.THURSDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs 84 to 92. Chance of
precipitation 40 percent.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 60s.
.FRIDAY...Mostly sunny. A 40 percent chance of thunderstorms in
the afternoon. Highs 87 to 95.
$$
MTZ317-182200-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of thunderstorms late in the afternoon. Highs
78 to 86. Southwest winds up to 10 mph shifting to the west in
the afternoon. Gusts up to 25 mph. Chance of precipitation
40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows 55 to 63. Southwest winds up to 10 mph.
Chance of thunderstorms 50 percent.
.SUNDAY...Sunny. Highs 78 to 86. Southwest winds up to 10 mph
shifting to the west with gusts to around 30 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 53 to 59. Northwest winds
5 to 15 mph with gusts to around 30 mph decreasing to up to 5 mph
after midnight.
.MONDAY...Sunny. Highs 72 to 78. Northwest winds up to 15 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 52 to 58. Highs
73 to 81.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms in the evening, then mostly cloudy after midnight.
Lows 55 to 63.
.WEDNESDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 77 to 85. Chance
of precipitation 50 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows 55 to 63. Chance of
precipitation 40 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
76 to 84. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain showers after midnight. Lows 55 to 63.
Chance of precipitation 40 percent.
.FRIDAY...Sunny in the morning, then partly sunny with a
40 percent chance of thunderstorms in the afternoon. Highs 78 to
86.
$$
MTZ318-182200-
Snowy and Judith Mountains-
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Slight chance of rain showers early in the morning. Slight chance
of thunderstorms early in the afternoon, then chance of
thunderstorms late in the afternoon. Highs 81 to 89. Southwest
winds up to 10 mph shifting to the northwest in the afternoon.
Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows 58 to 64. Southeast winds up to 10 mph
shifting to the southwest after midnight. Chance of thunderstorms
40 percent.
.SUNDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 81 to 89. West winds up to 10 mph with gusts
to around 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 55 to 61. Northwest winds up
to 10 mph. Gusts up to 30 mph in the evening.
.MONDAY...Sunny. Highs 73 to 81. Northwest winds 10 to 15 mph
with gusts to around 30 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 52 to 58. Highs
74 to 80.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 56 to 62.
.WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms
in the afternoon. Highs 78 to 86.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows 57 to 63. Chance of
precipitation 40 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 78 to 86. Chance of
precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 57 to 63. Chance of precipitation
30 percent.
.FRIDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 81 to 87. Chance of
precipitation 40 percent.
$$
MTZ319-182200-
Helena Valley-
Including the city of Helena
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Patchy fog early in the morning. Slight chance of rain showers
early in the afternoon. Chance of thunderstorms late in the
afternoon. Highs in the lower 90s. Southeast winds up to 10 mph.
Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms. Lows in the upper 50s. South winds up to 10 mph.
.SUNDAY...Sunny. Highs in the lower 90s. West winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph shifting to the west up to 5 mph after
midnight.
.MONDAY...Sunny. Highs in the upper 80s. North winds up to
10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
upper 50s. Highs in the upper 80s.
.WEDNESDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 90s. Chance of
precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the lower 60s. Chance of
precipitation 40 percent.
.THURSDAY...Mostly sunny. A 40 percent chance of thunderstorms in
the afternoon. Highs in the lower 90s.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 60s.
.FRIDAY...Mostly sunny. A 40 percent chance of thunderstorms in
the afternoon. Highs in the lower 90s.
&&
TEMPERATURE / PRECIPITATION
Helena 93 61 94 / 40 50 10
$$
MTZ320-182200-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of thunderstorms late in the afternoon. Highs
77 to 87. Southwest winds up to 10 mph shifting to the west in
the afternoon. Gusts up to 25 mph. Chance of precipitation
40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows in the upper 50s. West winds up to 10 mph
shifting to the south after midnight. Chance of thunderstorms
50 percent.
.SUNDAY...Sunny. Highs 78 to 88. Southwest winds up to 5 mph with
gusts to around 20 mph shifting to the west 5 to 15 mph with
gusts to around 35 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
up to 15 mph. Gusts up to 35 mph in the evening.
.MONDAY...Sunny. Highs 74 to 84. North winds up to 10 mph with
gusts to around 25 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 50s.
Highs 74 to 84.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms in the evening, then mostly cloudy after midnight.
Lows around 60.
.WEDNESDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 77 to 87. Chance
of precipitation 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows around 60. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
76 to 86. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows around 60.
.FRIDAY...Sunny in the morning, then partly sunny with a
50 percent chance of thunderstorms in the afternoon. Highs 77 to
87.
$$
MTZ321-182200-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of rain showers early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs in the mid 80s.
Southwest winds up to 10 mph shifting to the west in the
afternoon. Gusts up to 25 mph. Chance of precipitation
40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows in the mid 50s. West winds up to 10 mph
shifting to the south after midnight. Chance of thunderstorms
40 percent.
.SUNDAY...Sunny. Highs in the upper 80s. Southwest winds up to
5 mph increasing to west 10 to 15 mph with gusts to around 30 mph
in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds 5 to 15 mph with gusts to around 30 mph shifting to the
north up to 5 mph after midnight.
.MONDAY...Sunny. Highs in the lower 80s. Northwest winds up to
10 mph. Gusts up to 25 mph in the afternoon.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms in the evening, then mostly cloudy after midnight.
Lows in the upper 50s.
.WEDNESDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of precipitation 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows in the upper 50s. Chance of
precipitation 40 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs in
the mid 80s. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the upper 50s. Chance of precipitation
30 percent.
.FRIDAY...Sunny in the morning, then partly sunny with a
40 percent chance of thunderstorms in the afternoon. Highs in the
mid 80s.
$$
MTZ322-182200-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Slight chance of rain showers early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs 78 to 88. Southwest
winds up to 5 mph shifting to the west in the afternoon. Chance
of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows 53 to 61. West winds up to 10 mph. Chance of
thunderstorms 50 percent.
.SUNDAY...Sunny. Highs 78 to 88. West winds up to 5 mph
increasing to 5 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 60. Northwest winds up
to 15 mph.
.MONDAY...Sunny. Highs 74 to 84. North winds up to 10 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 52 to 60. Highs
75 to 85.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 55 to 63.
.WEDNESDAY...Partly sunny. A 50 percent chance of thunderstorms
in the afternoon. Highs 77 to 87.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows 55 to 63. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
76 to 86. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 55 to 63. Chance of precipitation
40 percent.
.FRIDAY...Sunny in the morning, then partly sunny with a
50 percent chance of thunderstorms in the afternoon. Highs 79 to
87.
$$
MTZ323-182200-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Slight chance of rain showers early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs around 90. South winds
up to 10 mph shifting to the northeast in the afternoon. Chance
of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of thunderstorms in the
evening, then partly cloudy with slight chance of thunderstorms
after midnight. Lows around 60. West winds up to 10 mph shifting
to the southeast after midnight. Chance of thunderstorms
50 percent.
.SUNDAY...Sunny. Highs in the lower 90s. Southwest winds up to
10 mph. Gusts up to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northwest winds up
to 15 mph.
.MONDAY...Sunny. Highs in the upper 80s. North winds up to
10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the upper 80s.
.WEDNESDAY...Mostly sunny. A 40 percent chance of thunderstorms
in the afternoon. Highs around 90.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the lower 60s. Chance of
precipitation 40 percent.
.THURSDAY...Partly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs in the upper 80s.
.THURSDAY NIGHT...Partly cloudy. A 30 percent chance of
thunderstorms in the evening. Lows in the lower 60s.
.FRIDAY...Sunny in the morning, then partly sunny with a
40 percent chance of thunderstorms in the afternoon. Highs in the
lower 90s.
$$
MTZ324-182200-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Slight chance of rain showers early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs in the lower 90s.
Southwest winds up to 5 mph shifting to the north in the
afternoon. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the upper 50s. Northwest winds up to 10 mph shifting to
the west after midnight.
.SUNDAY...Sunny. Highs in the lower 90s. Southwest winds up to
10 mph. Gusts up to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds 5 to 15 mph decreasing to up to 5 mph after midnight.
.MONDAY...Sunny. Highs in the upper 80s. North winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 50s.
Highs in the upper 80s.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 60s.
.WEDNESDAY...Mostly sunny. A 50 percent chance of thunderstorms
in the afternoon. Highs around 90.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then chance of showers
after midnight. Lows in the lower 60s. Chance of precipitation
50 percent.
.THURSDAY...Partly sunny. Slight chance of showers in the
morning, then chance of thunderstorms in the afternoon. Highs in
the upper 80s. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the lower 60s. Chance of precipitation
40 percent.
.FRIDAY...Sunny in the morning, then partly sunny with a
40 percent chance of thunderstorms in the afternoon. Highs around
90.
$$
MTZ325-182200-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny. Patchy fog early in the morning. A 20 percent
chance of thunderstorms in the afternoon. Highs in the upper 80s.
South winds up to 5 mph shifting to the north in the afternoon.
.TONIGHT...Mostly cloudy with a 30 percent chance of
thunderstorms in the evening, then mostly clear after midnight.
Lows in the upper 50s. Northwest winds up to 5 mph shifting to
the south after midnight.
.SUNDAY...Sunny. Highs in the lower 90s. South winds up to 5 mph
shifting to the west with gusts to around 25 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds up to 10 mph shifting to the northeast after midnight.
.MONDAY...Sunny. Highs in the upper 80s. North winds up to
10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A 40 percent chance
of thunderstorms. Highs in the mid 80s. Lows 56 to 62.
.WEDNESDAY...Partly sunny. A 50 percent chance of thunderstorms
in the afternoon. Highs in the mid 80s.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows 55 to 61. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. Highs in the mid 80s. Chance of precipitation
70 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 54 to 60. Chance of precipitation
50 percent.
.FRIDAY...Mostly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs in the mid 80s.
$$
MTZ326-182200-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of thunderstorms late in the afternoon.
Highs around 90. Southwest winds up to 5 mph shifting to the
north in the afternoon. Chance of thunderstorms 40 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the upper 50s. North winds around 5 mph shifting to the
southeast up to 5 mph after midnight.
.SUNDAY...Sunny. Highs in the lower 90s. South winds up to 5 mph
shifting to the west with gusts to around 25 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds 5 to 10 mph shifting to the southeast after midnight.
.MONDAY...Sunny. Highs in the upper 80s. Northwest winds up to
10 mph.
.MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers after midnight. Lows in the upper 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 80s.
.TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows around 60. Chance of
precipitation 40 percent.
.WEDNESDAY...Mostly sunny. A 50 percent chance of thunderstorms
in the afternoon. Highs around 90.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows around 60. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs in
the upper 80s. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows around 60.
.FRIDAY...Sunny in the morning, then partly sunny with a
50 percent chance of thunderstorms in the afternoon. Highs in the
upper 80s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 92 57 93 / 30 30 10
Bozeman MSU 90 58 91 / 30 30 10
$$
MTZ330-182200-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 74 to 84. Southwest winds up to 5 mph
shifting to the northwest in the afternoon.
.TONIGHT...Mostly cloudy with a 30 percent chance of
thunderstorms in the evening, then mostly clear after midnight.
Lows 52 to 58. Northwest winds up to 10 mph shifting to the south
after midnight.
.SUNDAY...Sunny. Highs 73 to 85. South winds up to 5 mph shifting
to the west 5 to 15 mph with gusts to around 30 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 58. Northwest winds 5 to
10 mph with gusts to around 30 mph shifting to the north after
midnight.
.MONDAY...Sunny. Highs 74 to 84. North winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers after midnight. Lows 51 to 57.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A 50 percent chance
of thunderstorms. Highs 72 to 82. Lows 53 to 59.
.WEDNESDAY...Partly sunny. Slight chance of rain showers in the
morning, then rain showers likely and chance of thunderstorms in
the afternoon. Highs 72 to 82. Chance of precipitation
70 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows 51 to 59. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. Highs 70 to 80. Chance of precipitation 70 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 50 percent chance
of thunderstorms. Lows 51 to 59. Highs 71 to 81.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 87 48 86 / 20 20 0
$$
MTZ327-182200-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Patchy fog early in the morning. Mostly sunny in the
morning, then chance of rain showers early in the afternoon.
Partly sunny with chance of thunderstorms late in the afternoon.
Highs 74 to 84. West winds up to 10 mph. Chance of precipitation
50 percent.
.TONIGHT...Partly cloudy. A 30 percent chance of thunderstorms in
the evening. Lows 48 to 56. West winds up to 10 mph.
.SUNDAY...Sunny. Highs 75 to 85. West winds up to 5 mph
increasing to 10 to 15 mph with gusts to around 30 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 48 to 56. Northwest winds
5 to 15 mph shifting to the north up to 5 mph after midnight.
.MONDAY...Mostly sunny. Highs 74 to 84. Northeast winds up to
5 mph shifting to the northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 49 to 57.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 74 to 84.
.TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows 51 to 59. Chance of
precipitation 40 percent.
.WEDNESDAY...Partly sunny. A 50 percent chance of thunderstorms
in the afternoon. Highs 73 to 83.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows 50 to 58. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
72 to 82. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain showers after midnight. Lows 50 to 58.
Chance of precipitation 40 percent.
.FRIDAY...Sunny in the morning, then partly sunny with a
50 percent chance of thunderstorms in the afternoon. Highs 74 to
82.
$$
MTZ328-182200-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Patchy fog early in the morning. Slight chance of thunderstorms
early in the afternoon. Chance of thunderstorms late in the
afternoon. Highs 84 to 90. Southwest winds up to 10 mph. Chance
of thunderstorms 30 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms in the evening, then mostly clear after midnight.
Lows in the mid 50s. Northwest winds up to 10 mph shifting to the
southwest after midnight.
.SUNDAY...Sunny. Highs 86 to 92. Southwest winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds up to 10 mph with gusts to around 25 mph.
.MONDAY...Sunny. Highs 83 to 89. North winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 82 to 88.
.TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows in the upper 50s.
Chance of precipitation 40 percent.
.WEDNESDAY...Partly sunny. A 50 percent chance of thunderstorms
in the afternoon. Highs 82 to 88.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the upper 50s. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
81 to 87. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the upper 50s. Chance of precipitation
40 percent.
.FRIDAY...Mostly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs 82 to 88.
&&
TEMPERATURE / PRECIPITATION
Dillon 89 55 90 / 30 30 0
$$
MTZ329-182200-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
427 AM MDT Sat Jul 18 2026
.TODAY...Sunny until late afternoon then becoming partly sunny.
Slight chance of thunderstorms early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs 76 to 84. Southwest
winds up to 5 mph shifting to the northwest in the afternoon.
Chance of thunderstorms 50 percent.
.TONIGHT...Partly cloudy. A 30 percent chance of thunderstorms in
the evening. Lows in the mid 50s. Northwest winds up to 10 mph
shifting to the southwest after midnight.
.SUNDAY...Sunny. Highs 77 to 85. Southwest winds up to 5 mph
shifting to the west 5 to 15 mph with gusts to around 30 mph in
the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds up to 15 mph.
.MONDAY...Sunny. Highs 76 to 84. North winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. A 50 percent chance
of thunderstorms. Highs 75 to 83. Lows in the upper 50s.
.WEDNESDAY...Mostly sunny with slight chance of rain showers in
the morning, then mostly cloudy with rain showers likely and
chance of thunderstorms in the afternoon. Highs 74 to 82. Chance
of precipitation 70 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the mid 50s. Chance of
precipitation 50 percent.
.THURSDAY...Partly sunny. Slight chance of rain showers in the
morning, then rain showers likely and chance of thunderstorms in
the afternoon. Highs 73 to 81. Chance of precipitation
60 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
40 percent.
.FRIDAY...Mostly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs 73 to 81.
$$