Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

WEST GLACIER (WGRM8)

Lat: 48.51061°NLon: 113.99677°WElev: 3165.0ft.

NA

82°F

28°C

Humidity 40%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index81°F (27°C)
Last update 22 Aug 01:12 PM MDT
Extended Forecast for

15 Miles W St Mary MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Southwest wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am.  Mostly cloudy, with a low around 59. South wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers after 5pm.  Patchy smoke between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Patchy smoke after 8pm. Mostly clear, with a low around 52. West southwest wind 5 to 14 mph, with gusts as high as 32 mph.

    Low: 52 °F

    Patchy Smoke

  • Monday

    Monday: Patchy smoke before 7am. Sunny, with a high near 72. Southwest wind 3 to 5 mph.

    High: 72 °F

    Patchy Smoke
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Southwest wind 3 to 6 mph.
Tonight
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am. Mostly cloudy, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers after 5pm. Patchy smoke between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
Patchy smoke after 8pm. Mostly clear, with a low around 52. West southwest wind 5 to 14 mph, with gusts as high as 32 mph.
Monday
Patchy smoke before 7am. Sunny, with a high near 72. Southwest wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W St Mary MT
 48.73°N 113.75°W (Elev. 3898 ft)
2:01 pm MDT Aug 22, 2026
2pm MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database