Fairmont, MT Weather Forecast & Current Conditions

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Fairmont Weather Map
UTC Time: 9/15/2026, 03:07
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Fairmont, MT Regional Weather

Expires:202609150300;;466792
ASUS45 KTFX 150210
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
800 PM MDT MON SEP 14 2026

NOTE: "FAIR" indicates few or no clouds below 12,000 feet with no
significant weather and/or obstructions to visibility.


MTZ001>007-043-150300-
West of the divide
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Kalispell      CLOUDY    52  45  77 CALM      30.12R                  
Missoula       CLOUDY    53  41  63 N3        30.15R                  
Butte          MOCLDY    49  36  61 N7        30.16R                  
Anaconda       MOCLDY    47  38  70 NE8       30.15R                  
Hamilton       CLOUDY    54  41  62 CALM      30.14S                  
Mullan Pass    CLOUDY    39  39 100 CALM      30.16S FOG              
Plains         CLOUDY    55  52  88 NW3       30.13R                  
Ronan          CLOUDY    52  46  82 SE5       30.14R                  
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Fairmont, MT

Tonight
Cloudy
28°-2°
0%
Tuesday
Cloudy
60°/ 35° 16°/
0%
Wednesday
Sunny
60°/ 35° 16°/
0%
Thursday
Thunderstorms
68°/ 40° 20°/
80%
Friday
Thunderstorms
60°/ 38° 16°/
70%
Saturday
Rain
60°/ 38° 16°/
30%
Sunday
Sunny
65°/ 38° 18°/
0%

Night: Partly cloudy. Areas of frost after midnight. Widespread frost and areas of fog late in the night. Lows in the upper 20s to mid 30s. Northwest winds to 15 mph in the evening.

Dewey, MT

Tonight
Clear
32°
0%
Tuesday
Sunny
56°/ 35° 13°/
0%
Wednesday
Sunny
59°/ 38° 15°/
0%
Thursday
Thunderstorms
61°/ 37° 16°/
80%
Friday
Thunderstorms
55°/ 33° 13°/
70%
Saturday
Thunderstorms
56°13°
30%

Night: Mostly clear. Lows in the lower 30s. Northwest winds up to 10 mph shifting to the south after midnight. Gusts up to 25 mph.

Sula, MT

Tonight
Cloudy
30°-1°
0%
Tuesday
Mostly Cloudy
60°/ 35° 16°/
0%
Wednesday
Sunny
72°/ 38° 22°/
0%
Thursday
Thunderstorms
68°/ 40° 20°/
80%
Friday
Thunderstorms
60°/ 38° 16°/
70%
Saturday
Rain
60°/ 38° 16°/
20%
Sunday
Sunny
65°/ 38° 18°/
0%

Night: Partly cloudy. Patchy fog late in the evening. Patchy frost after midnight, then areas of frost late in the night. Lows in the 30s.

Montana City, MT

Tonight
Clear
32°
0%
Tuesday
Sunny
57°/ 37° 14°/
0%
Wednesday
Sunny
54°/ 42° 12°/
0%
Thursday
Thunderstorms
64°/ 43° 18°/
70%
Friday
Thunderstorms
58°/ 39° 14°/
70%
Saturday
Rain Showers
58°14°
40%

Night: Mostly clear. Lows 32 to 38. Northwest winds 5 to 10 mph with gusts to around 30 mph shifting to the southwest after midnight.

Bannack, MT

Tonight
Clear
35°
0%
Tuesday
Sunny
66°/ 38° 19°/
0%
Wednesday
Sunny
67°/ 42° 19°/
0%
Thursday
Thunderstorms
71°/ 45° 22°/
70%
Friday
Thunderstorms
65°/ 42° 18°/
50%
Saturday
Thunderstorms
65°/ 42° 18°/
20%

Night: Mostly clear. Lows in the mid 30s. North winds 5 to 10 mph with gusts to around 25 mph shifting to the southeast after midnight.

Harrison, MT

Tonight
Clear
38°
0%
Tuesday
Sunny
68°/ 42° 20°/
0%
Wednesday
Sunny
68°/ 42° 20°/
0%
Thursday
Thunderstorms
75°/ 48° 24°/
70%
Fri Night
Thunderstorms
45°
60%
Saturday
Thunderstorms
68°/ 45° 20°/
40%

Night: Mostly clear. Patchy fog late in the night. Lows in the upper 30s. Northwest winds up to 10 mph with gusts to around 30 mph shifting to the south after midnight.

Marysville, MT

Tonight
Cloudy
35°
0%
Tuesday
Sunny
56°/ 40° 13°/
0%
Wednesday
Sunny
50°/ 42° 10°/
0%
Thursday
Sunny
65°/ 44° 18°/
70%
Friday
Thunderstorms
59°/ 41° 15°/
70%
Saturday
Rain Showers
58°14°
30%

Night: Partly cloudy. Patchy fog late in the night. Lows in the mid 30s. West winds up to 10 mph. Gusts up to 30 mph in the evening.

Helena, MT

Tonight
Cloudy
40°
0%
Tuesday
Sunny
68°/ 45° 20°/
0%
Wednesday
Sunny
65°/ 45° 18°/
0%
Thursday
Sunny
78°/ 48° 26°/
60%
Friday
Thunderstorms
72°/ 48° 22°/
70%
Saturday
Rain Showers
72°22°
30%

Night: Partly cloudy. Patchy fog late in the night. Lows around 40. West winds up to 10 mph with gusts to around 30 mph shifting to the south after midnight.

East Missoula, MT

Tonight
Mostly Cloudy
30°-1°
0%
Tuesday
Mostly Cloudy
60°/ 38° 16°/
0%
Wednesday
Sunny
60°/ 38° 16°/
0%
Thursday
Sunny
70°/ 45° 21°/
60%
Friday
Thunderstorms
65°/ 40° 18°/
50%
Saturday
Rain
72°/ 40° 22°/
20%
Sunday
Sunny
65°/ 40° 18°/
0%

Night: Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Patchy fog after midnight. Areas of fog and patchy frost late in the night. Lows in the 30s.

Hamilton, MT

Tonight
Mostly Cloudy
30°-1°
0%
Tuesday
Mostly Cloudy
70°/ 40° 21°/
0%
Wednesday
Sunny
72°/ 45° 22°/
0%
Thursday
Thunderstorms
78°/ 48° 26°/
70%
Friday
Thunderstorms
72°/ 45° 22°/
60%
Saturday
Sunny
75°/ 45° 24°/
0%
Sunday
Sunny
75°/ 45° 24°/
0%

Night: Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming mostly clear. Patchy fog late in the night. Lows in the 30s.

Canyon Creek, MT

Tonight
Mostly Cloudy
40°
0%
Tuesday
Sunny
60°/ 42° 16°/
20%
Wednesday
Rain Showers
53°/ 45° 12°/
20%
Thursday
Sunny
69°/ 50° 21°/ 10°
60%
Friday
Thunderstorms
64°/ 48° 18°/
70%
Saturday
Rain Showers
64°18°
20%

Night: Mostly cloudy in the evening then clearing. Lows around 40. West winds up to 10 mph with gusts to around 30 mph shifting to the south after midnight.

Salmon, ID

Tonight
Clear
30°-1°
0%
Tuesday
Sunny
65°/ 35° 18°/
0%
Wednesday
Sunny
68°/ 40° 20°/
20%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
70%
Friday
Thunderstorms
72°/ 38° 22°/
70%
Saturday
Thunderstorms
65°/ 38° 18°/
30%
Sunday
Sunny
68°/ 38° 20°/
0%

Night: Mostly clear. Widespread frost late in the night. Lows in the 30s.

Toston, MT

Tonight
Clear
40°
0%
Tuesday
Sunny
68°/ 45° 20°/
0%
Wednesday
Sunny
65°/ 45° 18°/
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
70%
Friday
Thunderstorms
68°/ 45° 20°/
70%
Saturday
Rain Showers
68°/ 43° 20°/
40%

Night: Mostly clear. Lows around 40. North winds 5 to 10 mph with gusts to around 30 mph shifting to the southeast after midnight.

Trident, MT

Tonight
Cloudy
35°
0%
Tuesday
Sunny
57°/ 40° 14°/
0%
Wednesday
Sunny
55°/ 42° 13°/
0%
Thursday
Thunderstorms
65°/ 48° 18°/
70%
Friday
Thunderstorms
59°/ 45° 15°/
70%
Saturday
Thunderstorms
57°/ 45° 14°/
40%

Night: Partly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 55 mph shifting to the south with gusts to around 20 mph after midnight.

Cameron, MT

Tonight
Clear
35°
0%
Tuesday
Sunny
70°/ 40° 21°/
0%
Wednesday
Sunny
65°/ 45° 18°/
0%
Thursday
Thunderstorms
75°/ 48° 24°/
70%
Friday
Thunderstorms
70°/ 40° 21°/
70%
Saturday
Thunderstorms
68°/ 40° 20°/
40%

Night: Mostly clear. Lows in the mid 30s. North winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight.

Big Sky, MT

Tonight
Clear
32°
0%
Tuesday
Sunny
55°/ 38° 13°/
0%
Wednesday
Sunny
56°/ 42° 13°/
20%
Thursday
Thunderstorms
60°/ 41° 16°/
70%
Friday
Thunderstorms
55°/ 36° 13°/
70%
Saturday
Thunderstorms
54°/ 36° 12°/
40%

Night: Mostly clear. Lows in the lower 30s. Northwest winds up to 10 mph with gusts to around 30 mph shifting to the south after midnight.

Bynum, MT

Tonight
Rain Showers
40°
20%
Tuesday
Mostly Cloudy
60°/ 42° 16°/
50%
Wednesday
Rain Showers
58°/ 42° 14°/
20%
Thursday
Sunny
70°/ 50° 21°/ 10°
50%
Fri-Fri Night
Thunderstorms
68°20°
50%
Saturday
Rain Showers
68°/ 48° 20°/
20%
Sun Night
Cloudy
48°
0%

Night: Mostly cloudy until early morning then becoming partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight.

Bozeman, MT

Tonight
Clear
38°
0%
Tuesday
Sunny
68°/ 42° 20°/
0%
Wednesday
Sunny
68°/ 42° 20°/
0%
Thursday
Thunderstorms
75°/ 48° 24°/
70%
Friday
Thunderstorms
70°/ 45° 21°/
70%
Saturday
Thunderstorms
68°/ 42° 20°/
40%

Night: Mostly clear. Patchy fog late in the night. Lows in the upper 30s. Northwest winds up to 10 mph with gusts to around 30 mph shifting to the southeast after midnight.

Noxon, MT

Tonight
Mostly Cloudy
35°
0%
Tuesday
Mostly Cloudy
60°/ 38° 16°/
0%
Wednesday
Sunny
68°/ 40° 20°/
0%
Thursday
Sunny
82°/ 45° 28°/
50%
Friday
Thunderstorms
68°/ 52° 20°/ 11°
40%
Saturday
Sunny
68°/ 40° 20°/
0%
Sunday
Sunny
70°/ 52° 21°/ 11°
0%

Night: Mostly cloudy until early morning then becoming partly cloudy. Patchy fog in the late evening and early morning. Areas of fog late in the night. Lows in the mid 30s to lower 40s.

Kalispell, MT

Tonight
Mostly Cloudy
38°
0%
Tuesday
Cloudy
58°/ 40° 14°/
0%
Wednesday
Sunny
65°/ 38° 18°/
0%
Thursday
Sunny
68°/ 52° 20°/ 11°
30%
Friday
Thunderstorms
68°/ 52° 20°/ 11°
30%
Saturday
Cloudy
65°/ 40° 18°/
0%
Sunday
Sunny
68°/ 40° 20°/
0%

Night: Mostly cloudy. Patchy fog after midnight. Lows in the upper 30s to mid 40s.

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