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Whetstone Lake, MT Weather Forecast

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Whetstone Lake, MT Weather Forecast

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Whetstone Lake MT weather - Mist - 35°F
Mist
35°F
Updated 4:40 am
Feels Like 40°F
Humidity 93%
Wind SSE 5 mph
Barometer  30.01 in
Dew Point 33°F
Whetstone Lake MT weather - Mist - 2°C
Mist
2°C
Updated 4:40 am
Feels Like 4°C
Humidity 93%
Wind SSE 8 km/h
Barometer  101.6 kPa
Dew Point 1°C
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Whetstone Lake Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Whetstone Lake, MT Weather - Today Mostly Sunny Whetstone Lake, MT Weather - Tonight Chance Of T-Storm Whetstone Lake, MT Weather - Friday Snow Whetstone Lake, MT Weather - Friday Night Rain And Snow Whetstone Lake, MT Weather - Saturday Partly Cloudy Whetstone Lake, MT Weather - Saturday Night Partly Cloudy Whetstone Lake, MT Weather - Sunday Partly Cloudy Whetstone Lake, MT Weather - Sunday Night Partly Cloudy Whetstone Lake, MT Weather - Monday Partly Cloudy Whetstone Lake, MT Weather - Monday Night Rain And Snow Whetstone Lake, MT Weather - Tuesday Rain And Snow Whetstone Lake, MT Weather - Tuesday Night Rain And Snow
Mostly Sunny Chance of T-Storm Snow Rain and Snow Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Rain and Snow Rain and Snow Rain and Snow
Hi: 65°FHi: 18°C
 Lo: 36°FLo: 2°C Hi: 45°FHi: 7°C
 Lo: 26°FLo: -3°C Hi: 45°FHi: 7°C
 Lo: 26°FLo: -3°C Hi: 46°FHi: 8°C
 Lo: 26°FLo: -3°C Hi: 46°FHi: 8°C
 Lo: 26°FLo: -3°C Hi: 45°FHi: 7°C
 Lo: 26°FLo: -3°C
POP: 90% POP: 100% POP: 60% POP: 20% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 212 AM MDT Thu Oct 22 2026 Whetstone Lake, MT Weather - WeatherWorld.com

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Issued: 310 AM MDT Thu Oct 22 2026

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KEY MESSAGES:
  • Mild daytime temperatures through today.
  • Significant weather change coming tonight into Friday.

Today will offer the last day this week of mild day-time temperatures, with highs rising to around 10 degrees above normal. Stable conditions this morning led to valley fog development, with fog expected to burn off for most areas by 800-900 AM MDT. Water vapor imagery this morning shows a closed low spinning over California. This low will begin to track northeastward into th...