National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

NA

N/A

Humidity 23%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 20 Aug 04:00 PM MDT
Extended Forecast for

13 Miles W St Mary MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. West wind around 8 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. West wind 6 to 9 mph becoming east after midnight.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy smoke after 1am. Partly cloudy, with a low around 48. East wind 6 to 8 mph.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Smoke

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Areas of smoke before 7am. Mostly sunny, with a high near 68. Southwest wind 6 to 9 mph.

    High: 68 °F

    Areas Smoke
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. South southwest wind 6 to 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Southwest wind 15 to 20 mph, with gusts as high as 32 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 59. West wind around 8 mph.
Tonight
Mostly clear, with a low around 43. West wind 6 to 9 mph becoming east after midnight.
Tuesday
Sunny, with a high near 64. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.
Tuesday Night
Patchy smoke after 1am. Partly cloudy, with a low around 48. East wind 6 to 8 mph.
Wednesday
A 20 percent chance of showers after noon. Areas of smoke before 7am. Mostly sunny, with a high near 68. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 51. South southwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 65. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 47. Southwest wind 15 to 20 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 38.
Sunday
A chance of rain and snow showers. Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W St Mary MT
 48.72°N 113.69°W (Elev. 7539 ft)
Last Update:
12:31 pm MDT Aug 24, 2026
Forecast Valid:
1pm MDT Aug 24, 2026-6pm MDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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