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Fort Smith, MT Weather Forecast

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Fort Smith, MT Weather Forecast

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Fort Smith MT weather - Mostly Clear - 28°F
Mostly Clear
28°F
Updated 2:15 pm
Feels Like 49°F
Humidity 86%
Wind SW 5 mph
Barometer  30.05 in
Dew Point 24°F
Fort Smith MT weather - Mostly Clear - -2°C
Mostly Clear
-2°C
Updated 2:15 pm
Feels Like 9°C
Humidity 86%
Wind SW 8 km/h
Barometer  101.8 kPa
Dew Point -4°C
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Fort Smith Weather Forecast

REST OF TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Fort Smith, MT Weather - Rest Of Today Mostly Sunny Fort Smith, MT Weather - Tonight Patchy Fog Fort Smith, MT Weather - Saturday Rain Showers Fort Smith, MT Weather - Saturday Night Patchy Fog Fort Smith, MT Weather - Sunday Patchy Fog Fort Smith, MT Weather - Sunday Night Rain Showers Fort Smith, MT Weather - Monday Rain Showers Fort Smith, MT Weather - Monday Night Chance Of Showers Fort Smith, MT Weather - Tuesday Sunny Fort Smith, MT Weather - Tuesday Night Partly Cloudy Fort Smith, MT Weather - Wednesday Mostly Sunny Fort Smith, MT Weather - Wednesday Night Partly Cloudy
Mostly Sunny Patchy Fog Rain Showers Patchy Fog Patchy Fog Rain Showers Rain Showers Chance of Showers Sunny Partly Cloudy Mostly Sunny Partly Cloudy
Hi: 51°FHi: 11°C
 Lo: 35°FLo: 2°C Hi: 51°FHi: 11°C
 Lo: 35°FLo: 2°C Hi: 59°FHi: 15°C
 Lo: 39°FLo: 4°C Hi: 51°FHi: 11°C
 Lo: 31°FLo: -1°C Hi: 61°FHi: 16°C
 Lo: 35°FLo: 2°C Hi: 59°FHi: 15°C
 Lo: 31°FLo: -1°C
POP: 30% POP: 90% POP: 90% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1236 PM MDT Fri Oct 30 2026 Fort Smith, MT Weather - WeatherWorld.com

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Issued: 1253 PM MDT Fri Oct 30 2026

Key Messages

  • Fog is possible again tonight into Saturday morning across much of the region.
  • The chance of precipitation has increased on Saturday ahead of the late weekend weather system, although precip amounts remain light.
  • A weather system brings widespread precipitation (70-90% chance) and breezy conditions (20-40 mph) Sunday into Monday, as well as slightly cooler temps to portions of the region.
  • Southeast Montana into north central and northeast Wyoming are most favored for precipitation Su...