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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

CW1334 Chester (C1334)

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

NA

93°F

34°C

Humidity 14%
Wind Speed WNW 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility NA
Heat Index89°F (32°C)
Last update 31 Jul 04:01 PM MDT
Extended Forecast for

Chester MT

Heat Advisory August 1, 12:00pm until August 2, 03:00am
Red Flag Warning August 1, 02:00pm until August 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 57. North northwest wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Areas Smoke

  • Saturday

    Saturday: Patchy smoke. Sunny and hot, with a high near 102. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 102 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke. Partly cloudy, with a low around 58. Breezy, with a west wind 18 to 24 mph, with gusts as high as 34 mph.

    Low: 58 °F

    Patchy Smoke
    and Breezy

  • Sunday

    Sunday: Patchy smoke before 7am. Sunny, with a high near 82. Breezy, with a west wind 21 to 25 mph, with gusts as high as 34 mph.

    High: 82 °F

    Breezy.
    Patchy Smoke
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Breezy, with a north northwest wind 16 to 23 mph, with gusts as high as 32 mph.

    Low: 46 °F

    Clear and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 57. North northwest wind around 6 mph becoming calm after midnight.
Saturday
Patchy smoke. Sunny and hot, with a high near 102. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Patchy smoke. Partly cloudy, with a low around 58. Breezy, with a west wind 18 to 24 mph, with gusts as high as 34 mph.
Sunday
Patchy smoke before 7am. Sunny, with a high near 82. Breezy, with a west wind 21 to 25 mph, with gusts as high as 34 mph.
Sunday Night
Mostly clear, with a low around 46. Breezy, with a north northwest wind 16 to 23 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 69. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester MT
 48.51°N 110.98°W (Elev. 3169 ft)
Last Update:
12:31 pm MDT Jul 31, 2026
Forecast Valid:
4pm MDT Jul 31, 2026-6pm MDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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