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Marion, MT Weather Forecast

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Marion, MT Weather Forecast

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Marion MT weather - Mostly Clear - 71°F
Mostly Clear
71°F
Updated 6:06 pm
Feels Like 60°F
Humidity 45%
Wind NNE 5 mph
Barometer  29.81 in
Dew Point 49°F
Marion MT weather - Mostly Clear - 22°C
Mostly Clear
22°C
Updated 6:06 pm
Feels Like 16°C
Humidity 45%
Wind NNE 8 km/h
Barometer  100.9 kPa
Dew Point 9°C
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Marion Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Marion, MT Weather - Tonight Rain Marion, MT Weather - Friday Chance Of T-Storm Marion, MT Weather - Friday Night Mostly Cloudy Marion, MT Weather - Saturday Mostly Cloudy Marion, MT Weather - Saturday Night Rain Marion, MT Weather - Sunday Chance Of T-Storm Marion, MT Weather - Sunday Night Chance Of Rain Marion, MT Weather - Monday Chance Of Rain Marion, MT Weather - Monday Night Mostly Cloudy Marion, MT Weather - Tuesday Mostly Cloudy Marion, MT Weather - Tuesday Night Partly Cloudy Marion, MT Weather - Wednesday Mostly Sunny
Rain Chance of T-Storm Mostly Cloudy Mostly Cloudy Rain Chance of T-Storm Chance of Rain Chance of Rain Mostly Cloudy Mostly Cloudy Partly Cloudy Mostly Sunny
Lo: 45°FLo: 7°C Hi: 60°FHi: 16°C
 Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
 Lo: 40°FLo: 4°C Hi: 56°FHi: 13°C
 Lo: 40°FLo: 4°C Hi: 56°FHi: 13°C
 Lo: 40°FLo: 4°C Hi: 60°FHi: 16°C
 Lo: 40°FLo: 4°C Hi: 66°FHi: 19°C
POP: 40% POP: 50% POP: 60% POP: 80% POP: 60% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 206 PM MDT Thu Sep 10 2026 Marion, MT Weather - WeatherWorld.com

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Marion Forecast Discussion

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Issued: 151 PM MDT Thu Sep 10 2026

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KEY MESSAGES:
  • Northeast winds Friday night through Saturday will create choppy conditions on area lakes.
  • A cutoff low pressure system brings widespread rain, with snow above 6,000 feet Saturday night through Monday morning.

A fast-moving trough will drop south out of Canada today, bringing upper-level energy with it this evening and overnight. This will push a band of showers and isolated thunderstorms through western Montana and north-central Idaho by early Friday morning. Expect br...