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

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

Hysham Hills I-94 MP 59.9 (MTHYH)

Lat: 46.16492°NLon: 107.30927°WElev: 3351.0ft.

NA

72°F

22°C

Humidity 44%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 17 Aug 07:00 PM MDT
Extended Forecast for

19 Miles SW Hysham MT

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly between 10pm and midnight. Mostly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. Light and variable wind becoming west northwest 5 to 8 mph in the morning.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 90. Light north northeast wind becoming east northeast 5 to 9 mph in the morning.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. East wind 5 to 9 mph.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers, mainly between 10pm and midnight. Mostly cloudy, with a low around 58. Light and variable wind.
Wednesday
Sunny and hot, with a high near 90. Light and variable wind becoming west northwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny and hot, with a high near 90. Light north northeast wind becoming east northeast 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 65. East wind 5 to 9 mph.
Saturday
Partly sunny and hot, with a high near 92. East wind 5 to 7 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65. East northeast wind 5 to 7 mph becoming calm after midnight.
Sunday
Mostly sunny and hot, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SW Hysham MT
 46.13°N 107.56°W (Elev. 2769 ft)
Last Update:
4:21 pm MDT Aug 17, 2026
Forecast Valid:
7pm MDT Aug 17, 2026-6pm MDT Aug 24, 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