Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

NA

61°F

16°C

Humidity 43%
Wind Speed WSW 13 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 19 Aug 12:00 AM MDT
Extended Forecast for

8 Miles WSW St Mary MT

  • Today

    Today: Patchy smoke before 9am, then patchy smoke after 5pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 63. West wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke before 1am. Partly cloudy, with a low around 50. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Patchy Smoke

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 65. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 65 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. West wind 6 to 10 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. Northwest wind around 6 mph becoming south southwest in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. South southeast wind around 8 mph becoming southwest after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 67. South southwest wind 6 to 10 mph.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Southwest wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 41 mph.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

Detailed Forecast

Today
Patchy smoke before 9am, then patchy smoke after 5pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 63. West wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
Patchy smoke before 1am. Partly cloudy, with a low around 50. West wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 65. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 48. West wind 6 to 10 mph.
Friday
Mostly sunny, with a high near 67. Northwest wind around 6 mph becoming south southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 53. South southeast wind around 8 mph becoming southwest after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. South southwest wind 6 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Southwest wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 41 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 56. Breezy.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW St Mary MT
 48.71°N 113.59°W (Elev. 7999 ft)
12:31 am MDT Aug 19, 2026
4am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

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