Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

66°F

19°C

Humidity 77%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 19 Aug 09:12 PM MDT
Extended Forecast for

15 Miles WSW St Mary MT

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming light and variable  after midnight.

    Low: 52 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Southwest wind 5 to 8 mph becoming east northeast after midnight.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. East northeast wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. South southwest wind 5 to 7 mph becoming east in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of rain.  Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke. Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 51. Southwest wind 5 to 8 mph becoming east northeast after midnight.
Friday
Mostly sunny, with a high near 73. East northeast wind 5 to 8 mph becoming west southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 55. South southwest wind 5 to 7 mph becoming east in the evening.
Saturday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Sunday
A slight chance of rain. Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 67.
Tuesday Night
A slight chance of rain and thunderstorms. Partly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW St Mary MT
 48.69°N 113.75°W (Elev. 6762 ft)
2:01 pm MDT Aug 19, 2026
10pm MDT Aug 19, 2026-6pm MDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database