National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

CW1334 Chester (C1334)

Lat: 48.51253°NLon: 110.96415°WElev: 3133.33ft.

NA

65°F

18°C

Humidity 45%
Wind Speed SE 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 03 Oct 03:31 PM MDT
Extended Forecast for

Chester MT

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Southeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. South southeast wind around 6 mph becoming calm after midnight.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. West wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West wind 6 to 16 mph, with gusts as high as 28 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. West southwest wind 3 to 6 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Southeast wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 70. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. South southeast wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 81. West wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 46. West wind 6 to 16 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 73. West southwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 71. Light and variable wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 72.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Saturday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chester MT
 48.51°N 110.95°W (Elev. 3163 ft)
Last Update:
12:31 pm MDT Oct 3, 2026
Forecast Valid:
3pm MDT Oct 3, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation