Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
433
FPUS55 KTFX 152137
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
336 PM MDT Tue Sep 15 2026
Spot temperatures and probabilities of measurable precipitation
are for tonight, Wednesday, Wednesday night, and Thursday.
MTZ301-161000-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Rain likely in the evening, then chance of rain after
midnight. Slight chance of rain and snow late in the night.
Little or no snow accumulation. Lows in the upper 30s. East winds
up to 5 mph shifting to the north after midnight. Chance of
precipitation 70 percent.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of rain in
the morning, then mostly sunny in the afternoon. Highs 48 to 56.
Northeast winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. Southeast
winds up to 10 mph shifting to the southwest after midnight.
.THURSDAY...Warmer, sunny. Highs 59 to 67. Southwest winds up to
10 mph shifting to the northeast in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. A 50 percent chance of rain. Lows in the mid 40s.
East winds up to 10 mph shifting to the west after midnight.
.FRIDAY...Partly sunny with a 50 percent chance of rain. Highs
56 to 64.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain after midnight. Lows in the mid 40s.
Chance of precipitation 40 percent.
.SATURDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs 54 to 64.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the mid
40s. Highs 57 to 67.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs 53 to 61.
$$
MTZ307-161000-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy with a 20 percent chance of rain. Lows
in the upper 30s. Northeast winds up to 10 mph with gusts to
around 25 mph.
.WEDNESDAY...Partly sunny. A 20 percent chance of rain in the
morning. Highs 49 to 57. Northeast winds up to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. East
winds up to 10 mph shifting to the southwest after midnight.
.THURSDAY...Warmer, sunny. Highs 61 to 71. Southwest winds up to
5 mph shifting to the east in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Rain showers and slight chance
of thunderstorms in the evening, then chance of rain after
midnight. Lows in the mid 40s. Northeast winds up to 10 mph
shifting to the west after midnight. Chance of precipitation
80 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with rain showers likely
and slight chance of thunderstorms. Highs 56 to 64. Lows in the
mid 40s. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain. Highs
55 to 63.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the mid
40s. Highs 58 to 69.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs 57 to 65.
$$
MTZ302-161000-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
336 PM MDT Tue Sep 15 2026
.TONIGHT...Cloudy. Rain likely in the evening, then chance of
rain after midnight. Lows in the lower 40s. East winds up to
10 mph shifting to the north after midnight. Chance of rain
70 percent.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of rain in
the morning, then mostly sunny in the afternoon. Highs in the
upper 50s. North winds up to 10 mph shifting to the east in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. South
winds up to 10 mph.
.THURSDAY...Sunny. Highs in the mid 60s. Southwest winds up to
5 mph shifting to the east in the afternoon.
.THURSDAY NIGHT...Partly cloudy with slight chance of rain in the
evening, then mostly cloudy with chance of rain after midnight.
Lows in the upper 40s. East winds up to 10 mph shifting to the
west after midnight. Chance of rain 40 percent.
.FRIDAY...Partly sunny. Slight chance of rain in the morning,
then chance of rain in the afternoon. Highs in the mid 60s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the upper 40s. Chance of precipitation
50 percent.
.SATURDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs in the upper 60s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
upper 40s. Highs in the upper 60s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 70. Lows
in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the mid 60s.
$$
MTZ308-161000-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy with a 20 percent chance of rain. Lows
in the mid 40s. North winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of rain in
the morning, then mostly sunny in the afternoon. Highs in the
upper 50s. Northeast winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 5 mph shifting to the southwest after midnight.
.THURSDAY...Warmer, sunny. Highs around 70. Southwest winds up to
5 mph shifting to the east in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Rain likely in the evening, then
chance of rain after midnight. Lows around 50. Northeast winds up
to 10 mph shifting to the west after midnight. Chance of rain
70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Rain showers likely and
slight chance of thunderstorms. Highs in the upper 60s. Lows
around 50. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain. Highs
in the upper 60s.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the upper
40s. Highs in the lower 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs in the upper 60s.
$$
MTZ303-161000-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
336 PM MDT Tue Sep 15 2026
.TONIGHT...Cloudy. Rain likely in the evening, then chance of
rain after midnight. Lows in the lower 40s. Northeast winds 5 to
10 mph. Chance of rain 70 percent.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of rain in
the morning, then sunny in the afternoon. Highs in the upper 50s.
North winds up to 10 mph shifting to the northeast in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows around 40. Southeast winds
up to 10 mph.
.THURSDAY...Sunny. Highs in the upper 60s. Southeast winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear in the evening, then mostly cloudy
with a 20 percent chance of rain after midnight. Lows in the
upper 40s. East winds up to 10 mph shifting to the northwest
after midnight.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain after midnight. Lows in the upper 40s.
Chance of precipitation 50 percent.
.SATURDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs in the upper 60s.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the upper
40s. Highs in the lower 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 43 58 39 68 / 60 20 0 0
$$
MTZ304-161000-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
336 PM MDT Tue Sep 15 2026
.TONIGHT...Cloudy. Slight chance of rain early in the evening,
then chance of rain in the late evening and early morning. Slight
chance of rain late in the night. Lows in the lower 40s.
Northeast winds 5 to 15 mph. Chance of rain 50 percent.
.WEDNESDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs around 60. North winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 10 mph.
.THURSDAY...Sunny. Highs in the upper 60s. Southeast winds up to
10 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a 30 percent chance of rain after midnight. Lows in
the upper 40s. East winds up to 10 mph shifting to the north
after midnight.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the upper 40s. Chance of precipitation
50 percent.
.SATURDAY...Mostly sunny with a 20 percent chance of rain. Highs
in the upper 60s.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the upper
40s. Highs in the lower 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs in the upper 60s.
$$
MTZ305-161000-
Hill County-
Including the city of Havre
336 PM MDT Tue Sep 15 2026
.TONIGHT...Cloudy. Slight chance of rain early in the evening,
then chance of rain in the late evening and overnight. Lows in
the mid 40s. Northeast winds 10 to 15 mph. Chance of rain
50 percent.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s. North winds up
to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds up to 10 mph.
.THURSDAY...Sunny. Highs in the lower 70s. East winds up to
10 mph with gusts to around 25 mph.
.THURSDAY NIGHT...Mostly clear in the evening, then mostly cloudy
with a 20 percent chance of rain after midnight. Lows in the
upper 40s. Northeast winds up to 10 mph. Gusts up to 25 mph in
the evening.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the lower 70s.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 50 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain. Highs
in the upper 60s.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
in the mid 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs in the lower 70s.
&&
TEMPERATURE / PRECIPITATION
Havre 44 65 42 75 / 40 10 0 0
$$
MTZ306-161000-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
336 PM MDT Tue Sep 15 2026
.TONIGHT...Cloudy. A 50 percent chance of rain in the late
evening and overnight. Lows in the lower 40s. East winds 10 to
15 mph.
.WEDNESDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs in the mid 60s. North winds 5 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds up to 10 mph.
.THURSDAY...Sunny. Highs around 70. Southeast winds 10 to 20 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. East
winds 5 to 15 mph.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the lower 70s.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows around 50. Chance of
precipitation 50 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the upper 60s. Chance of precipitation
40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
in the evening, then partly cloudy after midnight. Lows in the
upper 40s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs in the lower 70s.
$$
MTZ309-161000-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. A 20 percent chance of rain until early
morning. Lows in the lower 40s. North winds 5 to 15 mph.
.WEDNESDAY...Partly sunny. Highs in the lower 60s. North winds up
to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows around 40. East winds up to
5 mph shifting to the south after midnight.
.THURSDAY...Sunny. Highs around 70. South winds up to 5 mph
shifting to the east in the afternoon.
.THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the upper 40s. Northeast winds up to 10 mph shifting to
the west after midnight.
.FRIDAY...Mostly sunny. Slight chance of rain in the morning,
then chance of rain in the afternoon. Highs around 70. Chance of
rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the upper 40s. Chance of precipitation
50 percent.
.SATURDAY...Mostly sunny. Chance of rain in the morning, then
slight chance of rain in the afternoon. Highs around 70. Chance
of rain 40 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the upper
40s. Highs in the mid 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs around 70.
$$
MTZ310-161000-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. A 20 percent chance of rain late in the
evening. Lows in the mid 40s. Northeast winds 5 to 15 mph with
gusts to around 30 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s. North winds up
to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds up to 10 mph. Gusts up to 25 mph after midnight.
.THURSDAY...Sunny. Highs in the lower 70s. Southeast winds up to
10 mph with gusts to around 25 mph.
.THURSDAY NIGHT...Partly cloudy with chance of rain in the
evening, then mostly cloudy with slight chance of rain after
midnight. Lows in the lower 50s. East winds 5 to 10 mph shifting
to the west after midnight. Chance of rain 50 percent.
.FRIDAY...Mostly sunny. Slight chance of rain in the morning,
then chance of rain showers and slight chance of thunderstorms in
the afternoon. Highs in the lower 70s. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Lows in the lower 50s. Chance of
precipitation 70 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain. Highs
around 70.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the upper 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
in the upper 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs in the lower 70s.
$$
MTZ311-161000-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. A 20 percent chance of rain in the late
evening and early morning. Lows in the lower 40s. East winds 5 to
15 mph with gusts to around 30 mph.
.WEDNESDAY...Mostly sunny. Highs 60 to 66. North winds up to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds
up to 10 mph with gusts to around 25 mph.
.THURSDAY...Sunny. Highs 67 to 73. Southeast winds 5 to 15 mph
with gusts to around 30 mph.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain
after midnight. Lows in the lower 50s. East winds 5 to 15 mph
decreasing to up to 5 mph after midnight.
.FRIDAY...Partly sunny. A 40 percent chance of rain in the
afternoon. Highs 68 to 74.
.FRIDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain showers likely and chance
of thunderstorms after midnight. Lows in the lower 50s. Chance of
precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 64 to 70. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 67 to 77. Lows in
the upper 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs 67 to 73.
$$
MTZ312-161000-
Cascade County below 5000ft-
Including the city of Great Falls
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. Lows in the lower 40s. Northeast winds
10 to 15 mph shifting to the northwest after midnight.
.WEDNESDAY...Partly sunny. Highs in the lower 60s. North winds up
to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. Northeast
winds up to 10 mph shifting to the south after midnight.
.THURSDAY...Warmer, sunny. Highs in the lower 70s. South winds up
to 5 mph shifting to the northeast in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows in the lower 50s.
Northeast winds 5 to 10 mph shifting to the southwest after
midnight. Chance of rain 50 percent.
.FRIDAY...Partly sunny. Slight chance of rain in the morning,
then chance of rain showers and slight chance of thunderstorms in
the afternoon. Highs in the lower 70s. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of
thunderstorms in the evening, then chance of rain after midnight.
Lows around 50. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the upper 60s. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Mostly clear with a 20 percent chance of rain.
Lows in the upper 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
in the upper 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 50. Highs
in the lower 70s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 43 62 42 72 / 10 0 0 0
$$
MTZ313-161000-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Lows
around 40. Southeast winds 10 to 15 mph with gusts to around
30 mph becoming northwest up to 5 mph with gusts to around 20 mph
after midnight.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s. Northwest
winds 5 to 10 mph with gusts to around 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds 5 to 10 mph shifting to the south 5 to 15 mph after
midnight.
.THURSDAY...Warmer. Mostly sunny. Highs in the mid 70s. Southeast
winds 5 to 15 mph with gusts to around 30 mph.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the lower 50s. Southeast winds 5 to 15 mph with gusts to
around 30 mph shifting to the southwest after midnight.
.FRIDAY...Mostly sunny in the morning, then mostly cloudy with
rain showers likely and slight chance of thunderstorms in the
afternoon. Highs in the lower 70s. Chance of precipitation
70 percent.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Lows in the upper 40s. Chance of
precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the upper 60s. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the upper 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the lower 70s.
Lows in the upper 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs in the lower 70s.
$$
MTZ314-161000-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy early in the evening then becoming
mostly cloudy. Lows in the lower 40s. East winds 10 to 15 mph
shifting to the northeast after midnight. Gusts up to 30 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 60s. Northwest winds
5 to 10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds
up to 10 mph shifting to the southeast after midnight.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Southeast winds
5 to 15 mph.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the lower 50s. Southeast winds 5 to 15 mph shifting to
the south up to 5 mph after midnight.
.FRIDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs in the mid 70s. Chance
of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers likely and slight chance of
thunderstorms after midnight. Lows in the lower 50s. Chance of
precipitation 90 percent.
.SATURDAY...Mostly cloudy. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the upper 60s. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of rain. Lows around 50.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
in the upper 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs in the lower 70s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 40 64 42 76 / 0 0 0 0
$$
MTZ315-161000-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy early in the evening then becoming
partly cloudy. Lows 36 to 42. North winds up to 10 mph with gusts
to around 25 mph.
.WEDNESDAY...Mostly sunny. Highs 54 to 62. Northeast winds up to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 37 to 43. Northeast winds
up to 10 mph shifting to the southeast after midnight.
.THURSDAY...Warmer, sunny. Highs 65 to 75. South winds up to
5 mph shifting to the east in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Rain showers and slight chance
of thunderstorms in the evening, then slight chance of rain after
midnight. Lows 44 to 50. North winds up to 10 mph shifting to the
west after midnight. Chance of precipitation 80 percent.
.FRIDAY...Mostly cloudy. Chance of rain in the morning, then rain
showers likely and chance of thunderstorms in the afternoon.
Highs 60 to 68. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows 43 to 49. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain. Highs
58 to 66.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the mid
40s. Highs 62 to 72.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Sunny. Highs 61 to 69.
$$
MTZ316-161000-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy then becoming partly cloudy after
midnight then becoming mostly cloudy. Lows in the lower 40s.
North winds 5 to 15 mph with gusts to around 35 mph.
.WEDNESDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs 56 to 64. North winds 5 to 10 mph with gusts to
around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. Northeast
winds up to 10 mph with gusts to around 25 mph shifting to the
southwest after midnight.
.THURSDAY...Warmer, sunny. Highs 69 to 77. South winds up to
5 mph shifting to the southeast in the afternoon.
.THURSDAY NIGHT...Mostly cloudy with rain showers likely and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain after midnight. Lows in the lower 50s.
North winds up to 10 mph shifting to the southwest after
midnight. Chance of precipitation 70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Rain showers likely and
chance of thunderstorms. Highs 66 to 72. Lows around 50. Chance
of precipitation 70 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain. Highs
64 to 70.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the upper
40s. Highs 68 to 76.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Sunny. Highs 66 to 72.
$$
MTZ317-161000-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy early in the evening then becoming
mostly cloudy. Lows in the upper 30s. East winds 5 to 10 mph
shifting to the southwest after midnight. Gusts up to 30 mph.
.WEDNESDAY...Partly sunny in the morning then clearing. Highs
55 to 61. North winds up to 10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds 5 to 10 mph shifting to the south after midnight. Gusts up
to 30 mph.
.THURSDAY...Warmer. Mostly sunny. Highs 66 to 72. South winds up
to 10 mph with gusts to around 25 mph.
.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 after midnight. Lows 46 to 52.
Southeast winds 5 to 10 mph with gusts to around 25 mph shifting
to the southwest after midnight. Chance of precipitation
50 percent.
.FRIDAY...Mostly sunny with slight chance of rain in the morning,
then mostly cloudy with rain showers and chance of thunderstorms
in the afternoon. Highs 62 to 68. Chance of precipitation
90 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of
thunderstorms in the evening, then chance of rain after midnight.
Lows 44 to 50. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 58 to 64. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows 42 to 48.
.SUNDAY...Sunny. Highs 62 to 68.
.SUNDAY NIGHT...Clear. Lows 43 to 49.
.MONDAY...Sunny. Highs 64 to 72.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 44 to 50. Highs
63 to 69.
$$
MTZ318-161000-
Snowy and Judith Mountains-
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear early in the evening then becoming mostly
cloudy. Lows in the upper 30s. Southeast winds 10 to 15 mph
decreasing to up to 10 mph after midnight. Gusts up to 40 mph.
.WEDNESDAY...Mostly sunny. Highs 56 to 62. Northwest winds 5 to
10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds 5 to 10 mph shifting to the southeast 5 to 15 mph after
midnight.
.THURSDAY...Warmer. Mostly sunny. Highs 64 to 72. Southeast winds
5 to 15 mph with gusts to around 30 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. South
winds up to 15 mph. Gusts up to 30 mph in the evening.
.FRIDAY...Mostly sunny in the morning, then mostly cloudy with
rain showers likely and slight chance of thunderstorms in the
afternoon. Highs 65 to 71. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers likely and slight chance of
thunderstorms after midnight. Lows in the upper 40s. Chance of
precipitation 90 percent.
.SATURDAY...Rain likely in the morning, then rain showers likely
and slight chance of thunderstorms in the afternoon. Highs 59 to
65. Chance of precipitation 60 percent.
.SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
in the evening, then partly cloudy after midnight. Lows in the
upper 40s.
.SUNDAY...Sunny. A 20 percent chance of rain in the morning.
Highs 62 to 68.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 40s.
Highs 66 to 72.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s.
Highs 64 to 70.
$$
MTZ319-161000-
Helena Valley-
Including the city of Helena
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy early in the evening then becoming
partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph
with gusts to around 30 mph.
.WEDNESDAY...Partly sunny in the morning then clearing. Highs in
the upper 60s. Northwest winds 5 to 10 mph. Gusts up to 25 mph in
the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. Northwest
winds 5 to 10 mph with gusts to around 25 mph shifting to the
south after midnight.
.THURSDAY...Warmer, sunny. Highs in the upper 70s. Southeast
winds up to 5 mph.
.THURSDAY NIGHT...Mostly cloudy with rain showers likely and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the upper 40s. North winds 5 to 10 mph
shifting to the west after midnight. Chance of precipitation
70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with rain showers likely
and chance of thunderstorms. Highs in the mid 70s. Lows in the
upper 40s. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the lower 70s. Chance of precipitation
40 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the upper
40s. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the mid 70s.
&&
TEMPERATURE / PRECIPITATION
Helena 44 67 44 78 / 0 0 0 0
$$
MTZ320-161000-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Lows in
the upper 30s. Northeast winds up to 10 mph with gusts to around
30 mph.
.WEDNESDAY...Sunny. Highs 57 to 67. North winds up to 10 mph with
gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. East
winds 5 to 10 mph with gusts to around 35 mph.
.THURSDAY...Warmer. Partly sunny in the morning then clearing.
Highs 66 to 74. Southeast winds up to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows around 50. Southeast winds up to 10 mph.
Gusts up to 25 mph in the evening. Chance of precipitation
50 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Highs 61 to 69. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of
thunderstorms in the evening, then chance of rain after midnight.
Lows in the mid 40s. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 58 to 66. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the mid 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 62 to 72. Lows in
the mid 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs 63 to 71.
$$
MTZ321-161000-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Lows in
the upper 30s. East winds 5 to 15 mph with gusts to around 35 mph
shifting to the north with gusts to around 25 mph after midnight.
.WEDNESDAY...Sunny. Highs in the mid 60s. Northwest winds up to
10 mph. Gusts up to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 40. East winds 5 to
15 mph with gusts to around 35 mph.
.THURSDAY...Partly sunny in the morning then clearing. Highs in
the mid 70s. Southeast winds up to 10 mph.
.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 40s. Southeast winds up to
10 mph. Gusts up to 25 mph in the evening. Chance of
precipitation 50 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers and chance of thunderstorms in the afternoon. Highs
around 70. Chance of precipitation 80 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of
thunderstorms in the evening, then chance of rain after midnight.
Lows in the mid 40s. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the mid 60s. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the lower 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the lower 70s.
Lows in the lower 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs in the lower 70s.
$$
MTZ322-161000-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy then becoming mostly cloudy after
midnight then becoming partly cloudy. Lows 35 to 41. North winds
5 to 10 mph with gusts to around 30 mph.
.WEDNESDAY...Mostly sunny. Highs 56 to 64. North winds up to
10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 38 to 44. Northeast winds
up to 10 mph shifting to the southeast after midnight.
.THURSDAY...Warmer. Mostly sunny. Highs 66 to 74. South winds up
to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with rain showers likely and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain after midnight. Lows 44 to 50. South
winds up to 10 mph shifting to the west after midnight. Chance of
precipitation 70 percent.
.FRIDAY...Partly sunny with chance of rain in the morning, then
cloudy with rain showers and chance of thunderstorms in the
afternoon. Highs 60 to 68. Chance of precipitation 90 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows 40 to 48. Chance of precipitation 70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 58 to 66. Chance of precipitation 50 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 39 to 47.
Highs 62 to 72.
.MONDAY NIGHT...Partly cloudy. Lows 42 to 48.
.TUESDAY...Sunny. Highs 62 to 70.
$$
MTZ323-161000-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Lows 41 to
47. North winds 5 to 15 mph with gusts to around 30 mph.
.WEDNESDAY...Sunny. Highs in the upper 60s. North winds 5 to
15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 42 to 48. North winds 5 to
10 mph shifting to the northeast after midnight.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
up to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with rain showers likely and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the lower 50s. South winds up to 10 mph
shifting to the north after midnight. Chance of precipitation
70 percent.
.FRIDAY...Mostly cloudy. Chance of rain in the morning, then rain
showers likely and chance of thunderstorms in the afternoon.
Highs in the lower 70s. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers and chance of
thunderstorms in the evening, then chance of rain after midnight.
Lows in the upper 40s. Chance of precipitation 80 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the upper 60s. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Mostly clear. A 20 percent chance of rain in
the evening. Lows 44 to 50.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
44 to 50.
.MONDAY NIGHT...Partly cloudy. Lows 45 to 51.
.TUESDAY...Sunny. Highs in the lower 70s.
$$
MTZ324-161000-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Lows in
the lower 40s. Northeast winds up to 10 mph shifting to the north
after midnight. Gusts up to 30 mph.
.WEDNESDAY...Sunny. Highs in the upper 60s. Northeast winds up to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s.
Northeast winds up to 10 mph.
.THURSDAY...Mostly sunny. Slight chance of rain in the morning,
then slight chance of thunderstorms in the afternoon. Highs in
the mid 70s. South winds up to 5 mph shifting to the southeast in
the afternoon. Chance of precipitation 20 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain after midnight. Lows around 50. South
winds up to 10 mph shifting to the west after midnight. Chance of
precipitation 50 percent.
.FRIDAY...Mostly cloudy. Chance of rain in the morning, then rain
showers and slight chance of thunderstorms in the afternoon.
Highs in the lower 70s. Chance of precipitation 80 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the mid 40s. Chance of precipitation
70 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs around 70. Chance of precipitation 50 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the mid
40s. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Sunny. Highs in the mid 70s.
$$
MTZ325-161000-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
336 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy. Areas of fog late in the night. Lows in
the upper 30s. Northeast winds up to 10 mph. Gusts up to 25 mph
in the evening.
.WEDNESDAY...Sunny. Areas of fog in the morning. Highs 66 to 72.
North winds up to 5 mph increasing to 5 to 15 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Lows in the mid 40s. North winds up to 10 mph with
gusts to around 30 mph shifting to the east after midnight.
.THURSDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the mid 70s. South winds up to 10 mph. Gusts
up to 25 mph in the afternoon. 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 after midnight. Lows around 50. South
winds 5 to 15 mph. Chance of precipitation 50 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Highs in the lower 70s. Chance of precipitation
70 percent.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms. Lows 42 to 48. Highs
in the upper 60s. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows 40 to 46.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
41 to 47.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the mid 70s.
$$
MTZ326-161000-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Patchy fog
late in the night. Lows in the upper 30s. East winds 5 to 10 mph
with gusts to around 25 mph shifting to the south after midnight.
.WEDNESDAY...Sunny. Areas of fog in the morning. Highs in the
upper 60s. Northwest winds up to 5 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Lows in the lower 40s. East winds up to 10 mph
with gusts to around 30 mph.
.THURSDAY...Partly sunny. Slight chance of rain in the morning,
then slight chance of thunderstorms in the afternoon. Highs in
the mid 70s. Southeast winds up to 5 mph. Chance of precipitation
20 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 50. Southeast winds up to 10 mph.
Chance of precipitation 40 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Highs in the lower 70s. Chance of precipitation
70 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers and chance of
thunderstorms in the evening, then chance of rain after midnight.
Lows in the mid 40s. Chance of precipitation 80 percent.
.SATURDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs around 70. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the mid 40s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 70s. Lows
in the mid 40s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 40s.
Highs in the mid 70s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 38 71 40 77 / 0 0 0 20
Bozeman MSU 38 70 43 77 / 0 0 0 30
$$
MTZ330-161000-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows in the upper 30s. South winds up to
10 mph. Gusts up to 30 mph in the evening.
.WEDNESDAY...Sunny. Highs 58 to 70. North winds up to 10 mph.
Gusts up to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 20 percent chance of rain after midnight. Lows
40 to 46. East winds up to 10 mph. Gusts up to 30 mph in the
evening.
.THURSDAY...Mostly cloudy. Chance of rain in the morning, then
rain showers likely and slight chance of thunderstorms in the
afternoon. Highs 61 to 71. South winds up to 15 mph. Gusts up to
30 mph in the afternoon. Chance of precipitation 70 percent.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain after midnight. Lows 43 to 49. South winds 5 to 15 mph with
gusts to around 30 mph. Chance of precipitation 50 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Highs 56 to 66. Chance of precipitation 70 percent.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms. Lows 38 to 44. Highs
54 to 64. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows 37 to 43.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 58 to 70. Lows 36 to
44.
.MONDAY NIGHT...Partly cloudy. Lows 39 to 45.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs 59 to 69.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 28 74 37 71 / 0 0 30 70
$$
MTZ327-161000-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy until early morning then becoming partly
cloudy. Lows 31 to 39. North winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 60 to 70. East winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Lows 35 to 43. East winds up to 10 mph with gusts
to around 30 mph.
.THURSDAY...Partly sunny. Chance of rain in the morning, then
rain showers likely and chance of thunderstorms in the afternoon.
Highs 62 to 72. Southeast winds up to 10 mph with gusts to around
25 mph. Chance of precipitation 60 percent.
.THURSDAY NIGHT...Mostly cloudy with rain showers and slight
chance of thunderstorms in the evening, then partly cloudy with
slight chance of rain after midnight. Lows 38 to 46. Southwest
winds up to 10 mph. Chance of precipitation 90 percent.
.FRIDAY...Mostly cloudy. Chance of rain in the morning, then rain
showers and chance of thunderstorms in the afternoon. Highs 54 to
64. Chance of precipitation 90 percent.
.FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows 34 to 42. Chance of precipitation 60 percent.
.SATURDAY...Partly sunny. Slight chance of rain in the morning,
then chance of rain in the afternoon. Highs 55 to 65. Chance of
rain 40 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 34 to 43.
Highs 59 to 71.
.MONDAY NIGHT...Partly cloudy. Lows 36 to 44.
.TUESDAY...Sunny. Highs 59 to 69.
$$
MTZ328-161000-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Lows in
the upper 30s. Northeast winds up to 10 mph. Gusts up to 30 mph
in the evening.
.WEDNESDAY...Sunny. Highs 67 to 73. Northeast winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 15 mph
with gusts to around 30 mph decreasing to up to 5 mph with gusts
to around 20 mph after midnight.
.THURSDAY...Partly sunny. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 72 to 78. South winds up to 10 mph. Gusts up to
30 mph in the afternoon. 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 after midnight. Lows in the upper 40s.
South winds up to 15 mph. Gusts up to 30 mph in the evening.
Chance of precipitation 50 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Highs 66 to 72. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the lower 40s. Chance of precipitation
50 percent.
.SATURDAY...Partly sunny. Slight chance of rain in the morning,
then chance of rain showers and slight chance of thunderstorms in
the afternoon. Highs 65 to 71. Chance of precipitation
40 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the lower
40s. Highs 69 to 77.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 40s.
.TUESDAY...Sunny. Highs 70 to 76.
&&
TEMPERATURE / PRECIPITATION
Dillon 37 72 42 77 / 0 0 10 30
$$
MTZ329-161000-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
336 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows in the upper 30s. South winds 10 to
15 mph with gusts to around 30 mph decreasing to up to 5 mph with
gusts to around 20 mph after midnight.
.WEDNESDAY...Sunny. Highs 62 to 70. North winds up to 5 mph
shifting to the northeast with gusts to around 25 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 20 percent chance of rain after midnight. Lows in
the mid 40s. Northeast winds up to 10 mph. Gusts up to 25 mph in
the evening.
.THURSDAY...Mostly cloudy. Chance of rain in the morning, then
rain showers likely and slight chance of thunderstorms in the
afternoon. Highs 63 to 71. Southeast winds up to 5 mph with gusts
to around 20 mph increasing to south 10 to 20 mph with gusts to
around 35 mph in the afternoon. Chance of precipitation
70 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain after midnight. Lows in the mid 40s.
South winds 5 to 15 mph. Gusts up to 30 mph in the evening.
Chance of precipitation 50 percent.
.FRIDAY...Partly sunny. Chance of rain in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. Highs 58 to 66. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain after midnight. Lows in the lower 40s. Chance of
precipitation 50 percent.
.SATURDAY...Partly sunny with a 20 percent chance of rain. Highs
57 to 65.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
lower 40s. Highs 61 to 69.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 63 to 71. Lows in
the lower 40s.
.TUESDAY...Sunny. Highs 62 to 70.
$$