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Fairmont, MT Weather Forecast

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Fairmont, MT Weather Forecast

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Fairmont MT weather - Clear - 36°F
Clear
36°F
Updated 3:27 am
Feels Like 33°F
Humidity 85%
Wind ESE 7 mph
Barometer  30.15 in
Dew Point 32°F
Fairmont MT weather - Clear - 2°C
Clear
2°C
Updated 3:27 am
Feels Like 1°C
Humidity 85%
Wind ESE 11 km/h
Barometer  102 kPa
Dew Point 0°C
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Fairmont Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Fairmont, MT Weather - Today Partly Cloudy Fairmont, MT Weather - Tonight Mostly Clear Fairmont, MT Weather - Thursday Chance Of T-Storm Fairmont, MT Weather - Thursday Night Chance Of T-Storm Fairmont, MT Weather - Friday Chance Of T-Storm Fairmont, MT Weather - Friday Night Chance Of T-Storm Fairmont, MT Weather - Saturday Chance Of T-Storm Fairmont, MT Weather - Saturday Night Chance Of Rain Fairmont, MT Weather - Sunday Mostly Sunny Fairmont, MT Weather - Sunday Night Clear Fairmont, MT Weather - Monday Mostly Sunny Fairmont, MT Weather - Monday Night Partly Cloudy
Partly Cloudy Mostly Clear Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Rain Mostly Sunny Clear Mostly Sunny Partly Cloudy
Hi: 66°FHi: 19°C
 Lo: 36°FLo: 2°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 66°FHi: 19°C
 Lo: 40°FLo: 4°C Hi: 65°FHi: 18°C
 Lo: 40°FLo: 4°C Hi: 66°FHi: 19°C
 Lo: 40°FLo: 4°C Hi: 70°FHi: 21°C
 Lo: 40°FLo: 4°C
POP: 40% POP: 80% POP: 80% POP: 80% POP: 60% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Wed Sep 16 2026 Fairmont, MT Weather - WeatherWorld.com

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Issued: 1255 AM MDT Wed Sep 16 2026

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KEY MESSAGES:
  • Warm and dry today with sunny skies by this afternoon; breezy easterly winds developing into tonight.
  • Shower and thunderstorms Thursday into Friday, generally south of Highway 12. Storms will be capable of brief heavy rain and small hail.
  • Another warming and drying trend Sunday through early next week.

Short lived high pressure over the region today will feature pleasant, sunny, and near-seasonable weather, with high temperatures reaching the 70s in western Montana and ...