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 W St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Southwest wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy smoke between 1pm and 4pm. Partly sunny, then gradually becoming sunny, with a high near 58. Breezy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 58 °F

    Mostly Sunny
    then Patchy
    Smoke and
    Breezy

  • Sunday Night

    Sunday Night: Patchy smoke between midnight and 4am. Mostly clear, with a low around 43. Breezy, with a west southwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 46 mph.

    Low: 43 °F

    Breezy.
    Mostly Clear
    then Patchy
    Smoke

  • Monday

    Monday: Sunny, with a high near 60. West wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. South wind 7 to 9 mph becoming east southeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Southeast wind 6 to 8 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. South southeast wind 7 to 9 mph becoming southwest after midnight.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. South southwest wind 6 to 9 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Sunday
Patchy smoke between 1pm and 4pm. Partly sunny, then gradually becoming sunny, with a high near 58. Breezy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.
Sunday Night
Patchy smoke between midnight and 4am. Mostly clear, with a low around 43. Breezy, with a west southwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 46 mph.
Monday
Sunny, with a high near 60. West wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 42. South wind 7 to 9 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 65. Southeast wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 46. South southeast wind 7 to 9 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 69. South southwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W St Mary MT
 48.72°N 113.63°W (Elev. 7825 ft)
12:31 am MDT Aug 23, 2026
12am MDT Aug 23, 2026-6pm MDT Aug 29, 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