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

Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

SHENANGO (SGOM8)

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

NA

42°F

6°C

Humidity 50%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 07 Oct 07:39 AM MDT
Extended Forecast for

Gallatin Gateway MT

  • Today

    Today: Sunny, with a high near 75. South wind around 5 mph becoming calm in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind becoming south around 6 mph in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Light and variable wind becoming south 5 to 9 mph in the evening.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. South wind 9 to 14 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. South wind 10 to 18 mph, with gusts as high as 37 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain after noon. Partly sunny, with a high near 63. South southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 63 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain before 9pm, then rain and snow. Cloudy, with a low around 32. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Rain/Snow

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 75. South wind around 5 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 45. Calm wind becoming south around 6 mph in the evening.
Thursday
Sunny, with a high near 75. Light and variable wind becoming north around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Light and variable wind becoming south 5 to 9 mph in the evening.
Friday
Sunny, with a high near 79. South wind 9 to 14 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 47. South wind 10 to 18 mph, with gusts as high as 37 mph.
Saturday
A 50 percent chance of rain after noon. Partly sunny, with a high near 63. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Saturday Night
Rain before 9pm, then rain and snow. Cloudy, with a low around 32. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday
Rain and snow. Cloudy, with a high near 41.
Sunday Night
Rain and snow likely, becoming all snow after midnight. Mostly cloudy, with a low around 27.
Columbus Day
A chance of rain and snow. Mostly cloudy, with a high near 45.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 53.
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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:
4:52 am MDT Oct 7, 2026
Forecast Valid:
8am MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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