Jay Lake, MT Weather Forecast

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Jay Lake, MT Weather Forecast

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Jay Lake MT weather  - Clear - 67°F
Clear
67°F
Updated 1:03 pm
Feels Like 44°F
Humidity 25%
Wind W 17 mph
Barometer  30.2 in
Dew Point 31°F
Jay Lake MT weather  - Clear - 19°C
Clear
19°C
Updated 1:03 pm
Feels Like 7°C
Humidity 25%
Wind W 27 km/h
Barometer  102.2 kPa
Dew Point -1°C

Jay Lake Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Jay Lake, MT Weather - Today Sunny Jay Lake, MT Weather - Tonight Mostly Clear Jay Lake, MT Weather - Wednesday Sunny Jay Lake, MT Weather - Wednesday Night Mostly Clear Jay Lake, MT Weather - Thursday Sunny Jay Lake, MT Weather - Thursday Night Mostly Clear Jay Lake, MT Weather - Friday Rain Showers Jay Lake, MT Weather - Friday Night Partly Cloudy Jay Lake, MT Weather - Saturday Chance Of T-Storm Jay Lake, MT Weather - Saturday Night Chance Of T-Storm Jay Lake, MT Weather - Sunday Chance Of T-Storm Jay Lake, MT Weather - Sunday Night Snow Showers
Sunny Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Rain Showers Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Snow Showers
Hi: 61°FHi: 16°C
Lo: 29°FLo: -2°C Hi: 69°FHi: 21°C
Lo: 35°FLo: 2°C Hi: 71°FHi: 22°C
Lo: 39°FLo: 4°C Hi: 65°FHi: 18°C
Lo: 31°FLo: -1°C Hi: 61°FHi: 16°C
Lo: 30°FLo: -1°C Hi: 55°FHi: 13°C
Lo: 25°FLo: -4°C
POP: 20% POP: 40% POP: 50% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM MDT Tue Sep 08 2026 Jay Lake, MT Weather - WeatherWorld.com

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Jay Lake Forecast Discussion

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Issued: 1253 PM MDT Tue Sep 8 2026

Key Messages

  • Breezy conditions continue this afternoon, with gusts of 20 to 35 mph.
  • Low chance (20-40%) for precipitation this afternoon and evening.
  • Warmer and drier conditions return mid-week. Occasionally breezy conditions will cause elevated to critical fire weather conditions.
  • A pattern change to cooler with an increased chance of precipitation returns Friday into the weekend.
  • First frost this weekend?

Discussion

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The rest of today through Monday...

Conditions will remain breezy this afternoo...