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Otter Lake, MT Weather Forecast

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Otter Lake, MT Weather Forecast

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Otter Lake MT weather - Overcast - 59°F
Overcast
59°F
Updated 2:34 am
Feels Like 41°F
Humidity 41%
Wind SSW 3 mph
Barometer  30.15 in
Dew Point 35°F
Otter Lake MT weather - Overcast - 15°C
Overcast
15°C
Updated 2:34 am
Feels Like 5°C
Humidity 41%
Wind SSW 5 km/h
Barometer  102 kPa
Dew Point 2°C
WX Settings

Otter Lake Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Otter Lake, MT Weather - Today Rain Showers Otter Lake, MT Weather - Tonight Chance Of Showers Otter Lake, MT Weather - Friday Mostly Sunny Otter Lake, MT Weather - Friday Night Mostly Cloudy Otter Lake, MT Weather - Saturday Chance Of T-Storm Otter Lake, MT Weather - Saturday Night Chance Of T-Storm Otter Lake, MT Weather - Sunday Chance Of T-Storm Otter Lake, MT Weather - Sunday Night Chance Of T-Storm Otter Lake, MT Weather - Monday Chance Of T-Storm Otter Lake, MT Weather - Monday Night Chance Of T-Storm Otter Lake, MT Weather - Tuesday Chance Of T-Storm Otter Lake, MT Weather - Tuesday Night Chance Of T-Storm
Rain Showers Chance of Showers Mostly Sunny Mostly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm
Hi: 81°FHi: 27°C
 Lo: 45°FLo: 7°C Hi: 85°FHi: 29°C
 Lo: 45°FLo: 7°C Hi: 80°FHi: 27°C
 Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
 Lo: 41°FLo: 5°C Hi: 75°FHi: 24°C
 Lo: 41°FLo: 5°C Hi: 75°FHi: 24°C
 Lo: 41°FLo: 5°C
POP: 20% POP: 20% POP: 70% POP: 50% POP: 50% POP: 30% POP: 40% POP: 20% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1238 AM MDT Thu Aug 20 2026 Otter Lake, MT Weather - WeatherWorld.com

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Otter Lake Forecast Discussion

Issued: 1230 AM MDT Thu Aug 20 2026

Key Messages

  • Drier conditions today through Friday.
  • Seasonal temps in the 80s to lower 90s through the weekend.
  • Highest chance of precipitation over the weekend.
  • Potential for fire weather concerns Sunday.

Discussion

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Today through Wednesday...

Upper level ridging moves in over the region today, bringing warm and mostly dry conditions into Friday. Weak energy riding over the ridge will provide a small chance (less than 20%) for precipitation over area mountains this e...