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

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

NA

69°F

21°C

Humidity 23%
Wind Speed SW 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 20 Aug 04:00 PM MDT
Extended Forecast for

10 Miles WSW St Mary MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind 6 to 9 mph.

    High: 75 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 3am.  Partly cloudy, with a low around 55. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 3pm.  Mostly sunny, with a high near 63. Breezy, with a west southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 41 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 65. West southwest wind around 9 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West southwest wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming southeast in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind 6 to 9 mph.
Tonight
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Partly cloudy, with a low around 55. West southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 63. Breezy, with a west southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.
Sunday Night
Mostly clear, with a low around 47. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 41 mph.
Monday
Sunny, with a high near 65. West southwest wind around 9 mph.
Monday Night
Mostly clear, with a low around 47. West southwest wind 5 to 7 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 71. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming southeast in the evening.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW St Mary MT
 48.7°N 113.65°W (Elev. 6483 ft)
6:31 am MDT Aug 22, 2026
10am MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
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Additional Resources

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