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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

SHENANGO (SGOM8)

Lat: 45.45964°NLon: 111.24447°WElev: 5391.0ft.

NA

76°F

24°C

Humidity 15%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Heat Index76°F (24°C)
Last update 20 Mar 12:39 PM MDT
Extended Forecast for

10 Miles SSE Gallatin Gateway MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. West southwest wind 16 to 20 mph, with gusts as high as 36 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. West southwest wind 14 to 16 mph becoming south after midnight. Winds could gust as high as 28 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after 3pm. Mostly cloudy, with a high near 52. South southwest wind 13 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph.

    High: 52 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 25. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. West wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 44. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. West southwest wind 16 to 20 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around 43. West southwest wind 14 to 16 mph becoming south after midnight. Winds could gust as high as 28 mph.
Saturday
A 40 percent chance of rain after 3pm. Mostly cloudy, with a high near 52. South southwest wind 13 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 25. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 41. West wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 28. West wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Monday
Mostly cloudy, with a high near 44. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 31. South southwest wind around 8 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Gallatin Gateway MT
 45.46°N 111.11°W (Elev. 8658 ft)
Last Update:
12:56 pm MDT Mar 20, 2026
Forecast Valid:
1pm MDT Mar 20, 2026-6pm MDT Mar 26, 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