Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

NA

64°F

18°C

Humidity 31%
Wind Speed WNW 13 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 27 Jul 07:00 PM MDT
Extended Forecast for

11 Miles SSW St Mary MT

  • Tonight

    Tonight: Patchy smoke. Clear, with a low around 52. Southwest wind 11 to 13 mph.

    Low: 52 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Areas of smoke. Sunny, with a high near 70. Southwest wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 70 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: Areas of smoke before 3am. Clear, with a low around 52. Southwest wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Areas Smoke

  • Wednesday

    Wednesday: Patchy smoke before 7am. Sunny, with a high near 67. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Patchy smoke. Clear, with a low around 52. Southwest wind 11 to 13 mph.
Tuesday
Areas of smoke. Sunny, with a high near 70. Southwest wind 11 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Areas of smoke before 3am. Clear, with a low around 52. Southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Wednesday
Patchy smoke before 7am. Sunny, with a high near 67. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 52. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 70. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 54. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 71. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 56. Windy.
Sunday
Sunny, with a high near 62. Breezy.
Sunday Night
Clear, with a low around 44. Breezy.
Monday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW St Mary MT
 48.61°N 113.54°W (Elev. 6765 ft)
10:21 pm MDT Jul 27, 2026
11pm MDT Jul 27, 2026-6pm MDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database