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Sun River, MT Weather Forecast

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Sun River, MT Weather Forecast

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Sun River MT weather - Clear - 64°F
Clear
64°F
Updated 2:38 pm
Feels Like 49°F
Humidity 42%
Wind SW 26 mph
Barometer  29.87 in
Dew Point 41°F
Sun River MT weather - Clear - 18°C
Clear
18°C
Updated 2:38 pm
Feels Like 9°C
Humidity 42%
Wind SW 42 km/h
Barometer  101.2 kPa
Dew Point 5°C
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Sun River Weather Forecast

REST OF TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
Sun River, MT Weather - Rest Of Today Chance Of T-Storm Sun River, MT Weather - Tonight Chance Of Showers Sun River, MT Weather - Tuesday Showers Likely Sun River, MT Weather - Tuesday Night Partly Cloudy Sun River, MT Weather - Wednesday Sunny Sun River, MT Weather - Wednesday Night Mostly Clear Sun River, MT Weather - Thursday Windy Sun River, MT Weather - Thursday Night Chance Of Showers Sun River, MT Weather - Friday Chance Of T-Storm Sun River, MT Weather - Friday Night Chance Of Showers Sun River, MT Weather - Saturday Chance Of Showers Sun River, MT Weather - Saturday Night Showers Likely
Chance of T-Storm Chance of Showers Showers Likely Partly Cloudy Sunny Mostly Clear Windy Chance of Showers Chance of T-Storm Chance of Showers Chance of Showers Showers Likely
Hi: 65°FHi: 18°C
 Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
 Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 59°FHi: 15°C
 Lo: 39°FLo: 4°C
POP: 50% POP: 50% POP: 70% POP: 40% POP: 40% POP: 30% POP: 40% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Mon Sep 07 2026 Sun River, MT Weather - WeatherWorld.com

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Issued: 1136 AM MDT Mon Sep 7 2026

Key Messages

  • Moderate to heavy rain will continue to affect mainly North Central Montana through Tuesday morning.
  • Warmer and drier conditions arrive for Wednesday and Thursday.
  • Another cooler wetter period is expected for Friday and into the weekend.

Discussion

... /Issued 855 AM MDT Mon Sep 7 2026/
  • Meteorological Overview:

    • Deep and slow moving upper level low pressure will continue to slowly drift eastward over the Treasure State over the next 36-48 hours, bringing a prolonged period of cool and we...