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

Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

NA

73°F

23°C

Humidity 33%
Wind Speed SE 7 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 01 Sep 05:15 PM MDT
Extended Forecast for

10 Miles NE Big Sky MT

Fire Weather Watch September 3, 12:00pm until September 3, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 47. South wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. South wind 13 to 18 mph, with gusts as high as 32 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. South wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. South wind 6 to 15 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75. South wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. South southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 47. South wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 73. South wind 10 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 44. South wind 13 to 18 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 72. South wind 14 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 44. South wind 6 to 15 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 75. South wind 6 to 11 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 44. South southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 45.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 46.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Big Sky MT
 45.35°N 111.18°W (Elev. 6430 ft)
Last Update:
4:06 pm MDT Sep 1, 2026
Forecast Valid:
5pm MDT Sep 1, 2026-6pm MDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation