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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

SHENANGO (SGOM8)

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

NA

55°F

13°C

Humidity 66%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 23 Aug 11:39 PM MDT
Extended Forecast for

Gallatin Gateway MT

  • Tonight

    Tonight: Partly cloudy, with a low around 48. East wind 6 to 9 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Widespread haze after 4pm. Mostly sunny, with a high near 82. Northeast wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Haze

  • Sunday Night

    Sunday Night: Widespread haze before 7pm. Partly cloudy, with a low around 49. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Haze then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. East wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South southeast wind 6 to 9 mph.

    Low: 53 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. East wind 6 to 9 mph.
Sunday
Widespread haze after 4pm. Mostly sunny, with a high near 82. Northeast wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Widespread haze before 7pm. Partly cloudy, with a low around 49. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 83. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 52. East wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. South southeast wind 6 to 9 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gallatin Gateway MT
 45.61°N 111.19°W (Elev. 4908 ft)
Last Update:
10:28 pm MDT Aug 23, 2025
Forecast Valid:
11pm MDT Aug 23, 2025-6pm MDT Aug 30, 2025
 
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