Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

SHENANGO (SGOM8)

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

NA

63°F

17°C

Humidity 59%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 17 Aug 10:39 PM MDT
Extended Forecast for

10 Miles S Gallatin Gateway MT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 50. Light southeast wind.

    Low: 50 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 50. Light southeast wind.
Tuesday
A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 48. Light and variable wind.
Wednesday
Sunny, with a high near 83. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.
Saturday
A chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Gallatin Gateway MT
 45.44°N 111.19°W (Elev. 6014 ft)
12:32 pm MDT Aug 17, 2026
11pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database