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St. Regis, MT Weather Forecast

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St. Regis, MT Weather Forecast

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St. Regis MT weather - Clear - 50°F
Clear
50°F
Updated 5:16 am
Feels Like 39°F
Humidity 66%
Wind N 7 mph
Barometer  29.94 in
Dew Point 39°F
St. Regis MT weather - Clear - 10°C
Clear
10°C
Updated 5:16 am
Feels Like 4°C
Humidity 66%
Wind N 11 km/h
Barometer  101.4 kPa
Dew Point 4°C
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St. Regis Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
St. Regis, MT Weather - Today Partly Cloudy St. Regis, MT Weather - Tonight Chance Of T-Storm St. Regis, MT Weather - Friday Chance Of T-Storm St. Regis, MT Weather - Friday Night Chance Of T-Storm St. Regis, MT Weather - Saturday Chance Of T-Storm St. Regis, MT Weather - Saturday Night Mostly Clear St. Regis, MT Weather - Sunday Mostly Sunny St. Regis, MT Weather - Sunday Night Clear St. Regis, MT Weather - Monday Mostly Sunny St. Regis, MT Weather - Monday Night Mostly Clear St. Regis, MT Weather - Tuesday Mostly Sunny St. Regis, MT Weather - Tuesday Night Partly Cloudy
Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Mostly Clear Mostly Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy
Hi: 76°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 75°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 75°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 76°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 76°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 76°FHi: 24°C
 Lo: 46°FLo: 8°C
POP: 50% POP: 20% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Thu Sep 17 2026 St. Regis, MT Weather - WeatherWorld.com

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St. Regis Forecast Discussion

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Issued: 409 AM MDT Thu Sep 17 2026

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KEY MESSAGES:
  • Showers and thunderstorms today through Saturday.
  • Warming and drying Sunday through early next week.

A low pressure system will have an impacted on the Northern Rockies for the next couple of days as surges of moisture and energy make their way through the region. Latest radar data is indicating the first round of storms is currently over southern Idaho and will be making their way into Lemhi county and southwest Montana later this morning. This first round of storms wi...