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

Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Hysham Hills I-94 MP 59.9 (MTHYH)

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

NA

59°F

15°C

Humidity 35%
Wind Speed E 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 20 Jun 01:00 AM MDT
Extended Forecast for

15 Miles ENE Pompeys Pillar MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. East northeast wind around 6 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 4am. Mostly cloudy, with a low around 58. Light south southwest wind. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 78. West northwest wind 6 to 13 mph becoming north in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 53. North northeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 72. North wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. North wind 5 to 8 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Northeast wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. East northeast wind around 6 mph.
Saturday
A slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 4am. Mostly cloudy, with a low around 58. Light south southwest wind. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 78. West northwest wind 6 to 13 mph becoming north in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 53. North northeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 72. North wind 3 to 8 mph. Chance of precipitation is 70%.
Monday Night
Mostly clear, with a low around 49. North wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 50. Northeast wind 5 to 8 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54. East wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. East wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny and hot, with a high near 92. Calm wind becoming east around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Pompeys Pillar MT
 46.08°N 107.68°W (Elev. 2799 ft)
Last Update:
1:13 am MDT Jun 20, 2026
Forecast Valid:
1am MDT Jun 20, 2026-6pm MDT Jun 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