Diamond Lake, MT Weather Forecast

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Diamond Lake, MT Weather Forecast

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Diamond Lake MT weather  - Clear - 57°F
Clear
57°F
Updated 4:51 pm
Feels Like 38°F
Humidity 35%
Wind SSE 5 mph
Barometer  30 in
Dew Point 30°F
Diamond Lake MT weather  - Clear - 14°C
Clear
14°C
Updated 4:51 pm
Feels Like 3°C
Humidity 35%
Wind SSE 8 km/h
Barometer  101.6 kPa
Dew Point -1°C

Diamond Lake Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Diamond Lake, MT Weather - Tonight Mostly Cloudy Diamond Lake, MT Weather - Friday Partly Sunny Diamond Lake, MT Weather - Friday Night Mostly Cloudy Diamond Lake, MT Weather - Saturday Partly Sunny Diamond Lake, MT Weather - Saturday Night Snow Showers Diamond Lake, MT Weather - Sunday Clouds Diamond Lake, MT Weather - Sunday Night Partly Cloudy Diamond Lake, MT Weather - Monday Mostly Sunny Diamond Lake, MT Weather - Monday Night Snow Showers Diamond Lake, MT Weather - Tuesday Snow Showers Diamond Lake, MT Weather - Tuesday Night Snow Showers Diamond Lake, MT Weather - Wednesday Snow Showers
Mostly Cloudy Partly Sunny Mostly Cloudy Partly Sunny Snow Showers Clouds Partly Cloudy Mostly Sunny Snow Showers Snow Showers Snow Showers Snow Showers
Lo: 29°FLo: -2°C Hi: 55°FHi: 13°C
Lo: 25°FLo: -4°C Hi: 51°FHi: 11°C
Lo: 25°FLo: -4°C Hi: 45°FHi: 7°C
Lo: 21°FLo: -6°C Hi: 45°FHi: 7°C
Lo: 25°FLo: -4°C Hi: 41°FHi: 5°C
Lo: 25°FLo: -4°C Hi: 35°FHi: 2°C
POP: 20% POP: 30% POP: 50% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM MST Thu Nov 12 2026 Diamond Lake, MT Weather - WeatherWorld.com

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Diamond Lake Forecast Discussion

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Issued: 106 PM MST Thu Nov 12 2026

Key Messages

  • Southeasterly wind gusts of 30-45 mph develop for locations east of Rosebud County Friday through Saturday. Strongest Friday.
  • Mostly dry with above normal temperatures through the weekend.
  • A pattern change to cooler and unsettled conditions is possible next week, but considerable uncertainty remains regarding details.

Discussion

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Next 7 days (through Wednesday)...

High amplitude ridge axis right over our region today will slide slowly east as a splitting trough pattern moves into the ...