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Thunder Rapids, MT Weather Forecast

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Thunder Rapids, MT Weather Forecast

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Thunder Rapids MT weather - Clear - 44°F
Clear
44°F
Updated 4:43 am
Feels Like 39°F
Humidity 75%
Wind NE 10 mph
Barometer  30.07 in
Dew Point 37°F
Thunder Rapids MT weather - Clear - 7°C
Clear
7°C
Updated 4:43 am
Feels Like 4°C
Humidity 75%
Wind NE 16 km/h
Barometer  101.8 kPa
Dew Point 3°C
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Thunder Rapids Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Thunder Rapids, MT Weather - Today Mostly Sunny Thunder Rapids, MT Weather - Tonight Snow Showers Thunder Rapids, MT Weather - Monday Snow Showers Thunder Rapids, MT Weather - Monday Night Partly Cloudy Thunder Rapids, MT Weather - Tuesday Sunny Thunder Rapids, MT Weather - Tuesday Night Partly Cloudy Thunder Rapids, MT Weather - Wednesday Mostly Sunny Thunder Rapids, MT Weather - Wednesday Night Mostly Clear Thunder Rapids, MT Weather - Thursday Sunny Thunder Rapids, MT Weather - Thursday Night Chance Of Showers Thunder Rapids, MT Weather - Friday Rain Showers Thunder Rapids, MT Weather - Friday Night Mostly Clear
Mostly Sunny Snow Showers Snow Showers Partly Cloudy Sunny Partly Cloudy Mostly Sunny Mostly Clear Sunny Chance of Showers Rain Showers Mostly Clear
Hi: 59°FHi: 15°C
 Lo: 35°FLo: 2°C Hi: 41°FHi: 5°C
 Lo: 31°FLo: -1°C Hi: 51°FHi: 11°C
 Lo: 35°FLo: 2°C Hi: 49°FHi: 9°C
 Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
 Lo: 39°FLo: 4°C Hi: 55°FHi: 13°C
 Lo: 40°FLo: 4°C
POP: 60% POP: 20% POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM MDT Sun Sep 13 2026 Thunder Rapids, MT Weather - WeatherWorld.com

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Issued: 119 AM MDT Sun Sep 13 2026

Key Messages

  • Below average temperatures through mid week.
  • Chance of showers (mainly light) through Monday. Isolated thunderstorms possible in southeast Montana this evening and overnight, possibly strong.
  • Brisk west winds Monday; gusts over 50 mph possible from Big Timber to Harlowton.

Discussion

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Next 7 days (Through Saturday)...

Short wave ridging today ahead of an approaching upper low over the Pacific NW will lead to warmer and mainly dry conditions across our CWA today. Highs will range from ...