Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
990
FPUS55 KTFX 180453
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
1052 PM MDT Thu Sep 17 2026
Spot temperatures and probabilities of measurable precipitation
are for the rest of tonight, Friday, Friday night, and Saturday.
MTZ301-181000-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy then becoming mostly cloudy
after midnight then becoming partly cloudy. Near steady
temperature in the upper 40s. Southwest winds up to 10 mph.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 58 to 66. West winds up to 5 mph shifting to
the northeast in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 40s. East winds up
to 5 mph.
.SATURDAY...Mostly sunny. Highs 57 to 65. East winds up to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds
up to 10 mph shifting to the southwest after midnight.
.SUNDAY...Sunny. Highs 59 to 69.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 59 to 69. Lows in
the upper 40s.
.TUESDAY THROUGH THURSDAY...Partly cloudy. Highs 52 to 65. Lows
in the mid 40s.
$$
MTZ307-181000-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy with chance of rain late in the
evening, then mostly cloudy with slight chance of rain showers
after midnight. Partly cloudy early in the morning. Lows in the
mid 40s. Southwest winds up to 10 mph. Chance of precipitation
50 percent.
.FRIDAY...Mostly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 58 to 68. West winds up to
5 mph shifting to the northeast in the afternoon. Chance of
precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows 42 to 48. Northeast winds up to
10 mph. Chance of precipitation 50 percent.
.SATURDAY...Cloudy with chance of rain in the morning, then
partly sunny with chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 51 to 61. Northeast winds
up to 10 mph. Gusts up to 20 mph in the morning. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the lower 40s. East winds up to 5 mph
shifting to the west after midnight.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs 58 to 70. Lows in
the mid 40s.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the mid
40s. Highs 55 to 67.
$$
MTZ302-181000-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy in the late evening and early
morning then becoming partly cloudy. Lows in the upper 40s.
Southwest winds up to 5 mph shifting to the west after midnight.
.FRIDAY...Mostly sunny. Highs in the upper 60s. Northwest winds
up to 5 mph shifting to the northeast in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Northeast
winds up to 5 mph shifting to the west after midnight.
.SATURDAY...Mostly sunny. Highs in the mid 60s. Southeast winds
up to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southeast
winds 5 to 15 mph shifting to the southwest after midnight.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the upper 40s.
.TUESDAY THROUGH THURSDAY...Partly cloudy. Highs in the upper
60s. Lows in the mid 40s.
$$
MTZ308-181000-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy with slight chance of rain late
in the evening, then mostly cloudy with slight chance of rain
showers after midnight. Partly cloudy early in the morning. Lows
around 50. West winds up to 5 mph. Chance of precipitation
20 percent.
.FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs around 70. Northwest winds up to 5 mph
shifting to the northeast in the afternoon.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 50. North winds up to 5 mph.
.SATURDAY...Cloudy with chance of rain in the morning, then
partly sunny with chance of rain showers in the afternoon. Highs
in the mid 60s. Northeast winds up to 10 mph. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. Southeast winds up to 5 mph
shifting to the southwest after midnight.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the mid 70s.
Lows in the upper 40s.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
upper 40s. Highs in the lower 70s.
$$
MTZ303-181000-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy then becoming mostly cloudy
after midnight then becoming partly cloudy. Lows in the upper
40s. South winds up to 5 mph shifting to the northwest after
midnight.
.FRIDAY...Mostly sunny. Highs in the upper 60s. North winds up to
10 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. North winds
up to 10 mph.
.SATURDAY...Mostly sunny. Highs in the upper 60s. East winds up
to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southeast
winds up to 10 mph.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the lower 70s.
Lows in the upper 40s.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
upper 40s. Highs in the upper 60s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 47 69 47 67 / 10 10 0 0
$$
MTZ304-181000-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Lows in the upper 40s. Northeast winds up
to 5 mph shifting to the northwest after midnight.
.FRIDAY...Mostly sunny. Highs 68 to 74. North winds up to 10 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northeast
winds up to 10 mph.
.SATURDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs in the upper 60s. East winds up to 10 mph.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. Southeast winds up to
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper
40s. Highs in the mid 70s.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
upper 40s. Highs 66 to 72.
$$
MTZ305-181000-
Hill County-
Including the city of Havre
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Lows in the upper 40s. Northeast winds up
to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds up to
10 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northeast
winds 5 to 15 mph.
.SATURDAY...Mostly cloudy. Highs in the upper 60s. Northeast
winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s. East winds up to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper
40s. Highs in the mid 70s.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
upper 40s. Highs in the lower 70s.
&&
TEMPERATURE / PRECIPITATION
Havre 49 77 50 70 / 0 10 0 20
$$
MTZ306-181000-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy then becoming partly cloudy
after midnight then becoming mostly cloudy. Lows in the upper
40s. East winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. North winds up to
10 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northeast
winds 5 to 15 mph.
.SATURDAY...Cloudy. A 20 percent chance of rain in the afternoon.
Highs in the mid 60s. Northeast winds 5 to 15 mph.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the upper 40s. East winds 5 to 10 mph.
.SUNDAY...Partly sunny. Highs around 70.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the upper 40s.
Highs in the lower 70s.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the lower
70s. Lows in the upper 40s.
$$
MTZ309-181000-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy in the late evening and early
morning then becoming partly cloudy. A 20 percent chance of rain
late in the evening. Lows in the upper 40s. Northeast winds up to
5 mph shifting to the west after midnight.
.FRIDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
up to 5 mph shifting to the north in the afternoon.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows in the upper 40s. North winds up to 10 mph.
.SATURDAY...Cloudy with a 20 percent chance of rain in the
morning, then partly sunny in the afternoon. Highs in the upper
60s. Northeast winds up to 10 mph.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid 40s. East winds up to 10 mph
shifting to the south after midnight.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the mid 70s.
Lows in the upper 40s.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
upper 40s. Highs in the lower 70s.
$$
MTZ310-181000-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy then becoming mostly cloudy
after midnight then becoming partly cloudy. Lows around 50. North
winds up to 5 mph shifting to the west after midnight.
.FRIDAY...Mostly sunny. Highs in the lower 70s. West winds up to
5 mph shifting to the north in the afternoon.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows in the lower 50s. Northeast winds up to 10 mph.
.SATURDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and slight chance of thunderstorms in
the afternoon. Highs in the mid 60s. Northeast winds up to
10 mph. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows around 50.
Southeast winds up to 10 mph. Chance of rain 50 percent.
.SUNDAY...Partly sunny in the morning then clearing. Highs in the
lower 70s.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows around 50.
Highs in the upper 70s.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
around 50. Highs in the mid 70s.
.THURSDAY...Sunny. Highs in the mid 70s.
$$
MTZ311-181000-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy then becoming partly cloudy
after midnight then becoming mostly cloudy. Lows in the lower
50s. East winds up to 10 mph shifting to the west after midnight.
.FRIDAY...Mostly sunny. Highs 70 to 76. Northwest winds up to
5 mph shifting to the north in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds up to 10 mph.
.SATURDAY...Cloudy. Slight chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 61 to 67. Northeast winds 5 to 10 mph. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the lower 50s. East winds up to 10 mph.
.SUNDAY...Mostly cloudy with a 20 percent chance of rain in the
morning, then mostly sunny in the afternoon. Highs 66 to 72.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 50. Highs
69 to 75.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the lower 50s.
Highs 72 to 78.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
lower 50s. Highs 69 to 75.
$$
MTZ312-181000-
Cascade County below 5000ft-
Including the city of Great Falls
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain
late in the evening, then partly cloudy after midnight. Lows
around 50. West winds up to 5 mph.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs in the lower 70s. West winds up to 5 mph
shifting to the north in the afternoon.
.FRIDAY NIGHT...Cloudy with a 50 percent chance of rain showers.
Lows in the lower 50s. Northeast winds up to 10 mph shifting to
the north after midnight.
.SATURDAY...Mostly cloudy. Chance of rain in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs in the mid 60s. North winds up to 10 mph. Chance
of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows in the upper 40s.
East winds up to 10 mph shifting to the south after midnight.
Chance of rain 50 percent.
.SUNDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s.
Lows around 50.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the mid 70s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 50 73 52 65 / 20 10 40 40
$$
MTZ313-181000-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy. Lows in the lower 50s.
Southwest winds up to 10 mph.
.FRIDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs in the lower 70s.
Northwest winds up to 5 mph shifting to the north in the
afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers likely after
midnight. Lows around 50. Northwest winds up to 10 mph. Chance of
precipitation 70 percent.
.SATURDAY...Cooler. Chance of rain in the morning, then rain
showers and slight chance of thunderstorms in the afternoon.
Highs in the upper 50s. North winds up to 15 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the upper 40s. North winds 5 to 10 mph shifting
to the west after midnight. Chance of precipitation 70 percent.
.SUNDAY...Warmer. Mostly sunny. Slight chance of rain in the
morning, then slight chance of thunderstorms in the afternoon.
Highs around 70. Chance of precipitation 20 percent.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
upper 40s. Highs in the mid 70s.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs in the mid 70s.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper
40s. Highs in the lower 70s.
$$
MTZ314-181000-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy late in the evening then
becoming partly cloudy. Lows in the lower 50s. Southwest winds up
to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. West winds 5 to
10 mph shifting to the north in the afternoon.
.FRIDAY NIGHT...Cloudy. Slight chance of thunderstorms in the
evening, then chance of rain showers after midnight. Lows in the
lower 50s. Northeast winds up to 10 mph. Chance of precipitation
50 percent.
.SATURDAY...Cooler, cloudy. Chance of rain in the morning, then
rain showers and slight chance of thunderstorms in the afternoon.
Highs 58 to 64. Northeast winds 5 to 15 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Rain showers and slight chance of thunderstorms
in the evening, then rain likely after midnight. Lows in the
lower 50s. East winds up to 10 mph. Chance of precipitation
90 percent.
.SUNDAY...Mostly cloudy with chance of rain in the morning, then
mostly sunny with slight chance of rain in the afternoon. Highs
around 70. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. Lows around 50.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 50 73 49 59 / 10 30 70 80
$$
MTZ315-181000-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy with a 40 percent chance of rain
late in the evening, then partly cloudy after midnight. Lows in
the upper 40s. Southwest winds up to 10 mph.
.FRIDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
60 to 70. West winds up to 5 mph shifting to the northeast in the
afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain showers likely after
midnight. Lows 44 to 50. North winds up to 10 mph. Chance of
precipitation 70 percent.
.SATURDAY...Cloudy. Patchy fog in the morning. Chance of rain in
the morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 50 to 60. North winds up to
10 mph. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows 41 to 47. North winds up to 5 mph shifting to
the west after midnight.
.SUNDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs 60 to 72.
Lows in the mid 40s.
.THURSDAY...Mostly sunny. Highs 62 to 70.
$$
MTZ316-181000-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy with a 30 percent chance of rain
late in the evening, then partly cloudy after midnight. Lows
around 50. Southwest winds up to 5 mph.
.FRIDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 67 to 73. Southwest
winds up to 5 mph shifting to the north in the afternoon. Chance
of precipitation 50 percent.
.FRIDAY NIGHT...Chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers likely after
midnight. Lows in the lower 50s. North winds up to 10 mph. Chance
of precipitation 70 percent.
.SATURDAY...Cloudy. Chance of rain in the morning, then chance of
rain showers and slight chance of thunderstorms in the afternoon.
Highs 57 to 63. North winds up to 10 mph. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Mostly cloudy. A 40 percent chance of rain in
the evening. Lows in the upper 40s. North winds up to 10 mph
shifting to the southwest after midnight.
.SUNDAY THROUGH THURSDAY...Mostly clear. Highs 67 to 76. Lows in
the upper 40s.
$$
MTZ317-181000-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
1052 PM MDT Thu Sep 17 2026
...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY EVENING...
.REST OF TONIGHT...Partly cloudy. A 20 percent chance of rain
late in the evening. Lows in the upper 40s. Southwest winds up to
10 mph.
.FRIDAY...Mostly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 62 to 68. West winds up to
5 mph shifting to the north with gusts to around 25 mph in the
afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain after midnight. Some
thunderstorms may produce heavy rainfall in the evening. Lows
45 to 51. Northeast winds up to 10 mph. Chance of precipitation
90 percent.
.SATURDAY...Rain likely in the morning, then rain showers and
slight chance of thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall in the afternoon. Highs
49 to 57. North winds up to 10 mph with gusts to around 25 mph.
Chance of precipitation 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Some thunderstorms may produce heavy rainfall in the
evening. Lows 43 to 49. North winds up to 10 mph shifting to the
west after midnight. Chance of precipitation 70 percent.
.SUNDAY...Warmer. Mostly sunny. Slight chance of rain in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 60 to 68. Chance of
precipitation 40 percent.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 42 to 51.
Highs 63 to 71.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs 63 to 71.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 44 to 50.
Highs 61 to 70.
$$
MTZ318-181000-
Snowy and Judith Mountains-
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy late in the evening then
becoming partly cloudy. Lows in the lower 50s. Southwest winds up
to 10 mph.
.FRIDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 64 to 72. Northwest
winds up to 10 mph shifting to the north in the afternoon. Chance
of precipitation 50 percent.
.FRIDAY NIGHT...Cloudy. Chance of rain showers and slight chance
of thunderstorms in the evening, then rain after midnight. Lows
in the upper 40s. Northeast winds up to 10 mph. Chance of
precipitation 90 percent.
.SATURDAY...Cooler. Rain likely in the morning, then rain showers
and slight chance of thunderstorms in the afternoon. Near steady
temperature around 50. Northeast winds 5 to 10 mph with gusts to
around 25 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers and slight chance of thunderstorms
in the evening, then rain likely after midnight. Near steady
temperature in the upper 40s. Northeast winds up to 10 mph with
gusts to around 25 mph. Chance of precipitation 90 percent.
.SUNDAY...Warmer. Mostly cloudy. Rain likely in the morning, then
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 60 to 66. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the
evening. Lows in the mid 40s.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 63 to 71. Lows in
the upper 40s.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 65 to 73.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs 63 to 71.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Mostly sunny. Highs 64 to 72.
$$
MTZ319-181000-
Helena Valley-
Including the city of Helena
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy late in the evening then
becoming partly cloudy. A 40 percent chance of rain late in the
evening. Lows around 50. Southwest winds up to 5 mph.
.FRIDAY...Mostly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs in the mid 70s. South winds up to 5 mph
shifting to the north with gusts to around 20 mph in the
afternoon.
.FRIDAY NIGHT...Rain showers and slight chance of thunderstorms
in the evening, then rain showers after midnight. Lows in the
lower 50s. Northwest winds up to 10 mph. Chance of precipitation
90 percent.
.SATURDAY...Cooler. Rain likely in the morning, then rain showers
likely and slight chance of thunderstorms in the afternoon. Highs
in the lower 60s. Northwest winds up to 10 mph. Chance of
precipitation 70 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows in the upper 40s.
Northwest winds around 5 mph shifting to the west up to 5 mph
after midnight. Chance of rain 50 percent.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper
40s. Highs in the mid 70s.
&&
TEMPERATURE / PRECIPITATION
Helena 49 75 52 63 / 40 60 90 80
$$
MTZ320-181000-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
1052 PM MDT Thu Sep 17 2026
...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY EVENING...
.REST OF TONIGHT...Partly cloudy in the late evening and early
morning then becoming mostly cloudy. A 30 percent chance of rain
late in the evening. Lows in the upper 40s. Southwest winds up to
10 mph. Gusts up to 20 mph after midnight.
.FRIDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
61 to 69. Southwest winds up to 5 mph shifting to the northeast
in the afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain showers and slight chance
of thunderstorms after midnight. Some thunderstorms may produce
heavy rainfall. Lows in the upper 40s. Northeast winds up to
10 mph. Chance of precipitation near 100 percent.
.SATURDAY...Patchy fog in the morning. Rain showers and slight
chance of thunderstorms in the morning, then rain showers and
chance of thunderstorms in the afternoon. Some thunderstorms may
produce heavy rainfall in the morning. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs 49 to 57. North
winds up to 10 mph. Chance of precipitation near 100 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Some thunderstorms may produce heavy rainfall in the
evening. Lows in the mid 40s. Northwest winds up to 10 mph.
Chance of precipitation 70 percent.
.SUNDAY...Warmer. Mostly sunny. Slight chance of rain in the
morning, then slight chance of thunderstorms in the afternoon.
Highs 60 to 68. Chance of precipitation 20 percent.
.SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the
mid 40s. Highs 61 to 70.
.THURSDAY...Mostly sunny. Highs 62 to 70.
$$
MTZ321-181000-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Mostly cloudy then becoming partly cloudy
after midnight then becoming mostly cloudy. A 20 percent chance
of rain late in the evening. Lows in the upper 40s. Southeast
winds up to 10 mph.
.FRIDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
around 70. Southwest winds up to 5 mph shifting to the north in
the afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain showers after midnight.
Patchy fog after midnight. Lows in the upper 40s. Northeast winds
up to 10 mph. Chance of precipitation near 100 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Rain in the
morning, then rain showers and slight chance of thunderstorms in
the afternoon. Highs in the upper 50s. North winds up to 10 mph.
Chance of precipitation near 100 percent.
.SATURDAY 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. Northwest winds up to 10 mph.
Chance of precipitation 70 percent.
.SUNDAY...Warmer. 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 upper 60s. Chance of
precipitation 40 percent.
.SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the mid
40s. Highs around 70.
$$
MTZ322-181000-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
1052 PM MDT Thu Sep 17 2026
...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY EVENING...
.REST OF TONIGHT...Partly cloudy in the late evening and early
morning then becoming mostly cloudy. A 20 percent chance of
thunderstorms late in the evening. Lows 45 to 51. West winds up
to 10 mph.
.FRIDAY...Partly sunny. Chance of rain showers in the morning,
then chance of thunderstorms in the afternoon. Highs 59 to 67.
Southwest winds up to 5 mph shifting to the northeast in the
afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
after midnight. Some thunderstorms may produce heavy rainfall in
the evening. Some thunderstorms may produce heavy rainfall after
midnight. Lows 44 to 50. North winds up to 10 mph. Chance of
precipitation near 100 percent.
.SATURDAY...Rain in the morning, then rain showers and chance of
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the afternoon. Highs 48 to 56. North winds up
to 10 mph. Chance of precipitation near 100 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain after midnight. Some thunderstorms may produce heavy
rainfall in the evening. Lows 40 to 46. Northwest winds up to
10 mph. Chance of precipitation 50 percent.
.SUNDAY...Warmer. Mostly sunny. Highs 60 to 68.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 41 to 48.
Highs 63 to 71.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 62 to 70.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 41 to
47. Highs 61 to 69.
.THURSDAY...Mostly sunny. Highs 62 to 70.
$$
MTZ323-181000-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy in the late evening and early
morning then becoming mostly cloudy. A 20 percent chance of
thunderstorms late in the evening. Lows in the lower 50s. South
winds up to 5 mph.
.FRIDAY...Partly sunny. Chance of rain showers in the morning,
then chance of rain showers and slight chance of thunderstorms in
the afternoon. Highs in the lower 70s. South winds up to 5 mph
shifting to the north in the afternoon. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
after midnight. Lows in the lower 50s. North winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SATURDAY...Cooler. Rain showers and slight chance of
thunderstorms in the morning, then rain showers and chance of
thunderstorms in the afternoon. Highs around 60. North winds 5 to
10 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the upper 40s. Northwest winds up to 10 mph.
Chance of precipitation 60 percent.
.SUNDAY...Warmer. Partly sunny in the morning then clearing.
Highs in the lower 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 44 to 52.
Highs in the lower 70s.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs in the lower 70s.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 45 to
51. Highs in the lower 70s.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
$$
MTZ324-181000-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy in the late evening and early
morning then becoming mostly cloudy. Lows around 50. West winds
up to 10 mph.
.FRIDAY...Partly sunny. Chance of rain showers in the morning,
then chance of thunderstorms in the afternoon. Highs in the upper
60s. Southwest winds up to 5 mph shifting to the east in the
afternoon. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
after midnight. Patchy fog after midnight. Lows around 50. North
winds up to 5 mph. Gusts up to 20 mph after midnight. Chance of
precipitation 90 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Rain showers and
slight chance of thunderstorms in the morning, then rain showers
and chance of thunderstorms in the afternoon. Highs in the upper
50s. North winds up to 5 mph with gusts to around 20 mph. Chance
of precipitation 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows in the mid 40s. Northwest winds up to 5 mph
shifting to the west after midnight. Chance of precipitation
70 percent.
.SUNDAY...Warmer. Partly sunny in the morning then clearing.
Highs in the lower 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
mid 40s. Highs in the lower 70s.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs in the mid 70s.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the mid
40s. Highs in the lower 70s.
$$
MTZ325-181000-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Slight chance of rain showers after
midnight. Chance of rain showers early in the morning. Lows
around 50. South winds 5 to 15 mph. Chance of showers 40 percent.
.FRIDAY...Rain showers likely and slight chance of thunderstorms
in the morning, then rain showers and chance of thunderstorms in
the afternoon. Highs in the upper 60s. South winds up to 5 mph.
Chance of precipitation 90 percent.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Patchy fog after midnight. Lows in
the upper 40s. North winds up to 10 mph. Chance of precipitation
70 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Rain showers
likely and slight chance of thunderstorms in the morning, then
rain showers and chance of thunderstorms in the afternoon. Highs
in the upper 50s. Northwest winds up to 5 mph. Chance of
precipitation near 100 percent.
.SATURDAY 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. North winds up to 10 mph shifting
to the southwest after midnight. Chance of precipitation
70 percent.
.SUNDAY...Warmer. Partly sunny. Slight 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 40 percent.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 41 to 47. Highs in
the lower 70s.
.MONDAY NIGHT...Partly cloudy. Lows 43 to 49.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the lower 70s.
.TUESDAY NIGHT...Partly cloudy. Lows 43 to 49.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the mid 40s.
.THURSDAY...Mostly sunny. Highs in the mid 70s.
$$
MTZ326-181000-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
1052 PM MDT Thu Sep 17 2026
...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY EVENING...
.REST OF TONIGHT...Partly cloudy in the late evening and early
morning then becoming mostly cloudy. Lows around 50. Southeast
winds up to 10 mph.
.FRIDAY...Partly sunny. Chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. Highs around 70. Southeast winds up to 5 mph shifting
to the northwest in the afternoon. Chance of precipitation
70 percent.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms
in the evening, then rain showers and slight chance of
thunderstorms after midnight. Patchy fog after midnight. Some
thunderstorms may produce heavy rainfall. Lows around 50. North
winds up to 5 mph. Chance of precipitation 90 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Rain showers and
slight chance of thunderstorms in the morning, then rain showers
and chance of thunderstorms in the afternoon. Some thunderstorms
may produce heavy rainfall in the morning. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs in the upper 50s.
Northwest winds up to 5 mph. Chance of precipitation near
100 percent.
.SATURDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain likely after midnight.
Some thunderstorms may produce heavy rainfall in the evening.
Lows in the mid 40s. West winds up to 5 mph shifting to the
southwest after midnight. Chance of precipitation 70 percent.
.SUNDAY...Warmer. Mostly cloudy with chance of rain in the
morning, then mostly sunny with slight chance of thunderstorms in
the afternoon. Highs in the lower 70s. Chance of precipitation
40 percent.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
mid 40s. Highs in the lower 70s.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs in the lower 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the lower
70s. Lows in the mid 40s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 48 71 48 59 / 10 70 90 90
Bozeman MSU 50 70 49 58 / 10 70 90 90
$$
MTZ330-181000-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Slight chance of thunderstorms late in
the evening. Slight chance of rain showers after midnight, then
chance of rain showers and slight chance of thunderstorms early
in the morning. Near steady temperature in the mid 40s. South
winds up to 15 mph. Chance of precipitation 50 percent.
.FRIDAY...Chance of rain showers and slight chance of
thunderstorms in the morning, then rain showers likely and chance
of thunderstorms in the afternoon. Highs 54 to 64. Southeast
winds up to 10 mph. 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. Patchy fog after midnight. Lows
40 to 46. East winds up to 10 mph. Chance of precipitation
70 percent.
.SATURDAY...Patchy fog in the morning. Rain showers likely and
slight chance of thunderstorms in the morning, then rain showers
and chance of thunderstorms in the afternoon. Highs 45 to 55.
South winds up to 5 mph shifting to the west in the afternoon.
Chance of precipitation near 100 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then chance of rain after
midnight. Lows 38 to 44. Northwest winds up to 10 mph. Chance of
precipitation 70 percent.
.SUNDAY...Warmer. Partly sunny. Slight chance of rain in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 55 to 65. Chance of
precipitation 50 percent.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 37 to 43. Highs
57 to 67.
.MONDAY NIGHT...Partly cloudy. Lows 39 to 45.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 58 to 68.
.TUESDAY NIGHT...Partly cloudy. Lows 38 to 44.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 57 to 67.
Lows 39 to 45.
.THURSDAY...Mostly sunny. Highs 58 to 68.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 39 67 38 57 / 50 90 80 80
$$
MTZ327-181000-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
1052 PM MDT Thu Sep 17 2026
...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY AFTERNOON...
.REST OF TONIGHT...Partly cloudy with slight chance of rain late
in the evening, then mostly cloudy with chance of rain showers
after midnight. Lows 39 to 45. South winds up to 10 mph. Chance
of precipitation 50 percent.
.FRIDAY...Partly sunny with chance of rain showers and slight
chance of thunderstorms in the morning, then cloudy with rain
showers and chance of thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall in the afternoon. Highs
53 to 61. South winds up to 5 mph shifting to the north in the
afternoon. Chance of precipitation 90 percent.
.FRIDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers likely and slight chance of
thunderstorms after midnight. Some thunderstorms may produce
heavy rainfall. Lows 39 to 45. North winds up to 10 mph. Chance
of precipitation near 100 percent.
.SATURDAY...Patchy fog in the morning. Rain likely in the
morning, then rain showers and slight chance of thunderstorms in
the afternoon. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs 46 to 54. North winds up to 10 mph. Chance
of precipitation 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening. Lows 36 to 42.
Northwest winds up to 10 mph. Chance of precipitation 50 percent.
.SUNDAY...Warmer. Mostly sunny. Highs 57 to 67.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 36 to 42. Highs
58 to 68.
.MONDAY NIGHT...Partly cloudy. Lows 38 to 44.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 58 to 68.
.TUESDAY NIGHT...Mostly clear. A 20 percent chance of rain in the
evening. Lows 36 to 42.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 57 to 67.
Lows 36 to 42.
.THURSDAY...Mostly sunny. Highs 60 to 68.
$$
MTZ328-181000-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Slight chance of rain late in the
evening. Slight chance of rain showers after midnight, then
chance of rain showers and slight chance of thunderstorms early
in the morning. Lows in the upper 40s. South winds up to 10 mph.
Chance of precipitation 50 percent.
.FRIDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the morning, then chance of thunderstorms in
the afternoon. Highs 63 to 69. South winds up to 5 mph shifting
to the east in the afternoon. 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 upper 40s. North winds
up to 10 mph. Chance of precipitation 70 percent.
.SATURDAY...Patchy fog in the morning. Rain showers and slight
chance of thunderstorms in the morning, then rain showers and
chance of thunderstorms in the afternoon. Highs 55 to 61.
Northwest winds up to 10 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then slight chance of
rain after midnight. Lows in the mid 40s. North winds up to
10 mph shifting to the west after midnight. Chance of
precipitation 70 percent.
.SUNDAY...Warmer. Partly sunny in the morning then clearing.
Highs 66 to 72.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 40s.
Highs 68 to 74.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Sunny. A 20 percent chance of rain in the afternoon.
Highs 68 to 74.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the mid 40s.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 68 to 74.
Lows in the mid 40s.
.THURSDAY...Mostly sunny. Highs 69 to 75.
&&
TEMPERATURE / PRECIPITATION
Dillon 47 68 46 60 / 30 80 70 80
$$
MTZ329-181000-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
1052 PM MDT Thu Sep 17 2026
.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Slight chance of rain late in the
evening, then chance of rain showers and slight chance of
thunderstorms after midnight. Near steady temperature in the mid
40s. South winds up to 15 mph. Chance of precipitation
50 percent.
.FRIDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms in the morning, then rain showers likely and
chance of thunderstorms in the afternoon. Highs 54 to 62.
Southeast winds up to 10 mph. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. Lows in the mid 40s. Northwest
winds up to 10 mph. Chance of precipitation 70 percent.
.SATURDAY...Patchy fog in the morning. Chance of rain in the
morning, then rain showers likely and chance of thunderstorms in
the afternoon. Highs 48 to 56. Southwest winds up to 10 mph
shifting to the northwest in the afternoon. Chance of
precipitation 70 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms in the evening, then slight chance of
rain after midnight. Lows in the lower 40s. Northwest winds up to
10 mph. Chance of precipitation 70 percent.
.SUNDAY...Warmer. Partly sunny in the morning then clearing.
Highs 58 to 66.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 40s.
Highs 60 to 68.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.TUESDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 60 to 68.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 60 to 68.
Lows in the lower 40s.
.THURSDAY...Mostly sunny. Highs 61 to 69.
$$