Weather Alert
Cascade Lake Weather Warning NWS WEATHER ALERT FOR THE CASCADE LAKE, MT AREA - FLOOD WATCH Issued: 1206 PM MDT Thu Sep 17 2026 Cascade Lake Weather Warning

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Cascade Lake, MT Weather Forecast

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Cascade Lake, MT Weather Forecast

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Cascade Lake MT weather - Clear - 69°F
Clear
69°F
Updated 6:30 pm
Feels Like 66°F
Humidity 46%
Wind WNW 5 mph
Barometer  30.1 in
Dew Point 48°F
Cascade Lake MT weather - Clear - 21°C
Clear
21°C
Updated 6:30 pm
Feels Like 19°C
Humidity 46%
Wind WNW 8 km/h
Barometer  101.9 kPa
Dew Point 9°C
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Cascade Lake Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Cascade Lake, MT Weather - Tonight Chance Of T-Storm Cascade Lake, MT Weather - Friday Chance Of T-Storm Cascade Lake, MT Weather - Friday Night Thunderstorms Cascade Lake, MT Weather - Saturday Thunderstorms Cascade Lake, MT Weather - Saturday Night Thunderstorms Cascade Lake, MT Weather - Sunday Chance Of T-Storm Cascade Lake, MT Weather - Sunday Night Partly Cloudy Cascade Lake, MT Weather - Monday Sunny Cascade Lake, MT Weather - Monday Night Mostly Clear Cascade Lake, MT Weather - Tuesday Rain Showers Cascade Lake, MT Weather - Tuesday Night Partly Cloudy Cascade Lake, MT Weather - Wednesday Sunny
Chance of T-Storm Chance of T-Storm Thunderstorms Thunderstorms Thunderstorms Chance of T-Storm Partly Cloudy Sunny Mostly Clear Rain Showers Partly Cloudy Sunny
Lo: 49°FLo: 9°C Hi: 59°FHi: 15°C
 Lo: 45°FLo: 7°C Hi: 45°FHi: 7°C
 Lo: 41°FLo: 5°C Hi: 55°FHi: 13°C
 Lo: 41°FLo: 5°C Hi: 55°FHi: 13°C
 Lo: 45°FLo: 7°C Hi: 55°FHi: 13°C
 Lo: 45°FLo: 7°C Hi: 55°FHi: 13°C
POP: 20% POP: 70% POP: 90% POP: 90% POP: 80% POP: 50% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM MDT Thu Sep 17 2026 Cascade Lake, MT Weather - WeatherWorld.com

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Issued: 550 PM MDT Thu Sep 17 2026

Key Messages

  • Isolated to scattered showers and thunderstorms this afternoon and evening. Locally heavy rain possible over SE Montana with any showers/thunderstorms.
  • A few strong thunderstorms are possible, mainly around and east of Billings Friday afternoon and evening.
  • Flood Watch Friday night through Sunday for much of the area. Widespread precipitation Friday afternoon through the weekend, with the potential for locally heavy rainfall widespread through Saturday night.
  • Chance for at least an i...