Circle Lake, MT Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Circle Lake, MT Weather Forecast

Current Conditions

Settings
Circle Lake MT weather  - Clear - 54°F
Clear
54°F
Updated 2:27 pm
Feels Like 49°F
Humidity 44%
Wind NNE 5 mph
Barometer  30.08 in
Dew Point 33°F
Circle Lake MT weather  - Clear - 12°C
Clear
12°C
Updated 2:27 pm
Feels Like 9°C
Humidity 44%
Wind NNE 8 km/h
Barometer  101.9 kPa
Dew Point 1°C

Circle Lake Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Circle Lake, MT Weather - Tonight Partly Cloudy Circle Lake, MT Weather - Monday Mostly Sunny Circle Lake, MT Weather - Monday Night Partly Cloudy Circle Lake, MT Weather - Tuesday Partly Cloudy Circle Lake, MT Weather - Tuesday Night Chance Of Rain Circle Lake, MT Weather - Wednesday Chance Of Rain Circle Lake, MT Weather - Wednesday Night Mostly Clear Circle Lake, MT Weather - Thursday Partly Cloudy Circle Lake, MT Weather - Thursday Night Mostly Clear Circle Lake, MT Weather - Friday Partly Cloudy Circle Lake, MT Weather - Friday Night Clearing Circle Lake, MT Weather - Saturday Mostly Sunny
Partly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Chance of Rain Chance of Rain Mostly Clear Partly Cloudy Mostly Clear Partly Cloudy Clearing Mostly Sunny
Lo: 36°FLo: 2°C Hi: 65°FHi: 18°C
Lo: 36°FLo: 2°C Hi: 65°FHi: 18°C
Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
Lo: 36°FLo: 2°C Hi: 65°FHi: 18°C
Lo: 40°FLo: 4°C Hi: 66°FHi: 19°C
Lo: 40°FLo: 4°C Hi: 65°FHi: 18°C
POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Sun Sep 27 2026 Circle Lake, MT Weather - WeatherWorld.com

Trending Headlines

Circle Lake Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Circle Lake Quick Facts

National Two Day Weather Forecast


E-mail the Circle Lake Weather Forecast

Voice your opinion or tell us about page issues...

Circle Lake Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 121 PM MDT Sun Sep 27 2026

Discussion

...

KEY MESSAGES:
  • Near-normal with the weather pattern during upcoming week, with dry conditions
  • Increasing winds Tuesday, especially across northwest Montana and the higher terrain.
  • A few rain showers on Wednesday then warming trend into the remainder of the week.
  • Confidence increasing for a warm, dry early October beyond the 7 day forecast.

Satellite imagery shows a very large upper low over northern California which is pushing a lot moisture (in the form of thick middle clouds) into t...