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Spawn Lake, MT Weather Forecast

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Spawn Lake, MT Weather Forecast

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Spawn Lake MT weather - Clear - 60°F
Clear
60°F
Updated 1:07 am
Feels Like 51°F
Humidity 77%
Wind ESE 9 mph
Barometer  29.87 in
Dew Point 53°F
Spawn Lake MT weather - Clear - 16°C
Clear
16°C
Updated 1:07 am
Feels Like 11°C
Humidity 77%
Wind ESE 14 km/h
Barometer  101.2 kPa
Dew Point 12°C
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Spawn Lake Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY
Spawn Lake, MT Weather - Tonight Chance Of T-Storm Spawn Lake, MT Weather - Wednesday Chance Of T-Storm Spawn Lake, MT Weather - Wednesday Night Partly Cloudy Spawn Lake, MT Weather - Thursday Chance Of Rain Spawn Lake, MT Weather - Thursday Night Chance Of Rain Spawn Lake, MT Weather - Friday Chance Of T-Storm Spawn Lake, MT Weather - Friday Night Chance Of Rain Spawn Lake, MT Weather - Saturday Chance Of T-Storm Spawn Lake, MT Weather - Saturday Night Chance Of Rain Spawn Lake, MT Weather - Sunday Chance Of T-Storm Spawn Lake, MT Weather - Sunday Night Chance Of T-Storm Spawn Lake, MT Weather - Labor Day Chance Of Rain
Chance of T-Storm Chance of T-Storm Partly Cloudy Chance of Rain Chance of Rain Chance of T-Storm Chance of Rain Chance of T-Storm Chance of Rain Chance of T-Storm Chance of T-Storm Chance of Rain
Lo: 45°FLo: 7°C Hi: 70°FHi: 21°C
 Lo: 36°FLo: 2°C Hi: 66°FHi: 19°C
 Lo: 40°FLo: 4°C Hi: 66°FHi: 19°C
 Lo: 36°FLo: 2°C Hi: 70°FHi: 21°C
 Lo: 40°FLo: 4°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 66°FHi: 19°C
POP: 70% POP: 70% POP: 20% POP: 50% POP: 50% POP: 20% POP: 20% POP: 20% POP: 50% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Tue Sep 01 2026 Spawn Lake, MT Weather - WeatherWorld.com

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Spawn Lake Forecast Discussion

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Issued: 107 AM MDT Wed Sep 2 2026

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KEY MESSAGES:
  • Widespread showers and thunderstorms today with outflow gusts of 25-45 mph and heavy rain rates up to 0.5 inch per hour.
  • Persistent active pattern late week into the weekend under southwesterly flow.

A well-defined upper-level disturbance over northern California early this morning and its associated cold front will move across the Northern Rockies today. Showers and thunderstorms will initiate over north-central Idaho around sunrise, then track northeastward across the...