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St. Marie, MT Weather Forecast

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St. Marie, MT Weather Forecast

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St. Marie MT weather - Clear - 58°F
Clear
58°F
Updated 1:22 am
Feels Like 51°F
Humidity 61%
Wind S 7 mph
Barometer  29.94 in
Dew Point 45°F
St. Marie MT weather - Clear - 14°C
Clear
14°C
Updated 1:22 am
Feels Like 11°C
Humidity 61%
Wind S 11 km/h
Barometer  101.3 kPa
Dew Point 7°C
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St. Marie Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
St. Marie, MT Weather - Tonight Mostly Clear St. Marie, MT Weather - Thursday Sunny St. Marie, MT Weather - Thursday Night Becoming Cloudy St. Marie, MT Weather - Friday Chance Of Showers St. Marie, MT Weather - Friday Night Partly Cloudy St. Marie, MT Weather - Saturday Mostly Cloudy St. Marie, MT Weather - Saturday Night Chance Of Showers St. Marie, MT Weather - Sunday Chance Of T-Storm St. Marie, MT Weather - Sunday Night Showers St. Marie, MT Weather - Monday Chance Of Showers St. Marie, MT Weather - Monday Night Mostly Clear St. Marie, MT Weather - Tuesday Partly Cloudy
Mostly Clear Sunny Becoming Cloudy Chance of Showers Partly Cloudy Mostly Cloudy Chance of Showers Chance of T-Storm Showers Chance of Showers Mostly Clear Partly Cloudy
Lo: 51°FLo: 11°C Hi: 85°FHi: 29°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
 Lo: 40°FLo: 4°C Hi: 59°FHi: 15°C
 Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
 Lo: 39°FLo: 4°C Hi: 69°FHi: 21°C
Lo: 41°FLo: 5°C
POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1101 PM MDT Wed Sep 09 2026 St. Marie, MT Weather - WeatherWorld.com

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Issued: 1101 PM MDT Wed Sep 9 2026

Key Messages

  • High pressure will bring above seasonable temps and dry weather Today. These warm and dry conditions in the presence of gusty winds will bring high fire danger for southern portions of the area this afternoon and evening.
  • A cold front will drive through the area this evening with markedly cooler temps into the late week along with isolated to widely scattered showers and thunderstorms Friday.
  • A stronger chance for rain is expected Saturday night through Sunday morning. Totals are cur...