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

12 Miles WSW St Mary MT

  • Overnight

    Overnight: Patchy smoke. Mostly clear, with a low around 50. West southwest wind around 9 mph.

    Low: 50 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Areas of smoke. Sunny, with a high near 72. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 72 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: Areas of smoke before 3am. Clear, with a low around 51. West southwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 51 °F

    Areas Smoke

  • Wednesday

    Wednesday: Patchy smoke. Sunny, with a high near 71. Southwest wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 71 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. South southwest wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 50. West southwest wind around 9 mph.
Tuesday
Areas of smoke. Sunny, with a high near 72. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Areas of smoke before 3am. Clear, with a low around 51. West southwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Patchy smoke. Sunny, with a high near 71. Southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 51. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 73. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 53. South southwest wind 5 to 9 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 75. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 51. Breezy.
Sunday
Sunny, with a high near 62. Breezy.
Sunday Night
Mostly clear, with a low around 42. Breezy.
Monday
Sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW St Mary MT
 48.7°N 113.68°W (Elev. 7001 ft)
12:31 am MDT Jul 28, 2026
3am MDT Jul 28, 2026-6pm MDT Aug 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database