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

12 Miles WSW St Mary MT

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 67. Southwest wind 7 to 10 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a chance of showers after 2am.  Mostly cloudy, with a low around 51. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%.

    Low: 51 °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 and thunderstorms after 5pm.  Patchy smoke between 2pm and 3pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 57. Breezy, with a west southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Patchy smoke before 10pm, then patchy smoke after midnight. Mostly clear, with a low around 43. Breezy, with a west southwest wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 41 mph.

    Low: 43 °F

    Patchy Smoke
    and Breezy

  • Monday

    Monday: Patchy smoke before 7am. Sunny, with a high near 58. West southwest wind around 10 mph.

    High: 58 °F

    Patchy Smoke
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. West southwest wind 6 to 9 mph becoming northeast after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. North wind 5 to 8 mph becoming south southwest in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. West southwest wind around 7 mph becoming east in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 67. Southwest wind 7 to 10 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a chance of showers after 2am. Mostly cloudy, with a low around 51. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Patchy smoke between 2pm and 3pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 57. Breezy, with a west southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Sunday Night
Patchy smoke before 10pm, then patchy smoke after midnight. Mostly clear, with a low around 43. Breezy, with a west southwest wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 41 mph.
Monday
Patchy smoke before 7am. Sunny, with a high near 58. West southwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 44. West southwest wind 6 to 9 mph becoming northeast after midnight.
Tuesday
Sunny, with a high near 66. North wind 5 to 8 mph becoming south southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 49. West southwest wind around 7 mph becoming east in the evening.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW St Mary MT
 48.72°N 113.69°W (Elev. 7539 ft)
12:31 pm MDT Aug 22, 2026
1pm MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database