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

58°F

14°C

Humidity 52%
Wind Speed SE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 04 Oct 10:46 AM MDT
Extended Forecast for

Chester MT

  • Today

    Today: Sunny, with a high near 72. South southeast wind 5 to 7 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. South southeast wind 5 to 7 mph becoming calm.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. West wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Light west northwest wind.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. North northeast wind around 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. South southeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 43. South southeast wind 5 to 7 mph becoming calm.
Monday
Sunny, with a high near 81. West wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly clear, with a low around 45. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. Light west northwest wind.
Wednesday
Mostly sunny, with a high near 71. Calm wind becoming north northeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 41. North northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 67.
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 40.
Saturday
A chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester MT
 48.51°N 110.95°W (Elev. 3163 ft)
Last Update:
10:21 am MDT Oct 4, 2026
Forecast Valid:
11am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation