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Fallon, MT Weather Forecast

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Fallon, MT Weather Forecast

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Fallon MT weather - Clear - 30°F
Clear
30°F
Updated 4:52 am
Feels Like 44°F
Humidity 92%
Wind S 3 mph
Barometer  30.06 in
Dew Point 28°F
Fallon MT weather - Clear - -1°C
Clear
-1°C
Updated 4:52 am
Feels Like 6°C
Humidity 92%
Wind S 5 km/h
Barometer  101.8 kPa
Dew Point -2°C
WX Settings

Fallon Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT VETERANS DAY WEDNESDAY NIGHT THURSDAY FRIDAY FRIDAY NIGHT SATURDAY
Fallon, MT Weather - Today Mostly Cloudy Fallon, MT Weather - Tonight Mostly Cloudy Fallon, MT Weather - Monday Mostly Sunny Fallon, MT Weather - Monday Night Mostly Cloudy Fallon, MT Weather - Tuesday Partly Sunny Fallon, MT Weather - Tuesday Night Partly Cloudy Fallon, MT Weather - Veterans Day Partly Cloudy Fallon, MT Weather - Wednesday Night Mostly Clear Fallon, MT Weather - Thursday Mostly Clear Fallon, MT Weather - Friday Partly Cloudy Fallon, MT Weather - Friday Night Partly Cloudy Fallon, MT Weather - Saturday Sunny
Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Cloudy Partly Sunny Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Sunny
Hi: 65°FHi: 18°C
 Lo: 35°FLo: 2°C Hi: 59°FHi: 15°C
 Lo: 35°FLo: 2°C Hi: 60°FHi: 16°C
 Hi: 61°FHi: 16°C
Lo: 35°FLo: 2°C		 Hi: 61°FHi: 16°C
Lo: 35°FLo: 2°C		 Hi: 65°FHi: 18°C
Lo: 35°FLo: 2°C		 Hi: 65°FHi: 18°C
Lo: 35°FLo: 2°C		 Hi: 65°FHi: 18°C
Lo: 35°FLo: 2°C		 Hi: 65°FHi: 18°C
Lo: 35°FLo: 2°C		 Hi: 65°FHi: 18°C
POP = Probability of Precipitation.
Weather Outlook Updated: 316 AM MST Sun Nov 08 2026 Fallon, MT Weather - WeatherWorld.com

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Fallon Forecast Discussion

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Issued: 1139 PM MST Sat Nov 7 2026

Key Messages

  • Warm, dry, and breezy conditions are expected for Sunday and Sunday night.
  • Cooler temperatures will settle in for Monday with increasing cloudiness and a stray shower possible Monday night into Tuesday.
  • Warm and dry weather look to return for the second half of the week.

Discussion

...

Upper ridging on Sunday will begin to flatten into a zonal flow regime across eastern Montana and the Northern High Plains Sunday night into Monday. This will guide west surface winds Sunday afternoon acr...