Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. 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 46%
Wind Speed WSW 5 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 17 Aug 11:00 PM MDT
Extended Forecast for

11 Miles SW St Mary MT

  • Tonight

    Tonight: Patchy smoke before 4am, then patchy smoke after 5am. Mostly cloudy, then gradually becoming clear, with a low around 50. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 2pm, then patchy smoke after 4pm. Mostly sunny, with a high near 62. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 62 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before 2am. Mostly clear, with a low around 50. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny, with a high near 63. West southwest wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. West southwest wind around 8 mph becoming southeast in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. South southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 56. East wind 6 to 8 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Patchy smoke before 4am, then patchy smoke after 5am. Mostly cloudy, then gradually becoming clear, with a low around 50. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Wednesday
Patchy smoke before 2pm, then patchy smoke after 4pm. Mostly sunny, with a high near 62. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Patchy smoke before 2am. Mostly clear, with a low around 50. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 63. West southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 49. West southwest wind around 8 mph becoming southeast in the evening.
Friday
Mostly sunny, with a high near 67. South southeast wind 5 to 7 mph becoming southwest in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 56. East wind 6 to 8 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Breezy.
Sunday
A slight chance of showers before noon. Sunny, with a high near 56. Breezy.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SW St Mary MT
 48.64°N 113.61°W (Elev. 7448 ft)
12:31 pm MDT Aug 18, 2026
6pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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