Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

Hysham Hills I-94 MP 59.9 (MTHYH)

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

NA

78°F

26°C

Humidity 32%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 30 Jul 06:30 AM MDT
Extended Forecast for

20 Miles W Hysham MT

Extreme Heat Watch August 1, 12:00pm until August 2, 12:00am
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: A 20 percent chance of showers and thunderstorms before noon.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. West southwest wind 5 to 8 mph becoming east in the afternoon.

    High: 93 °F

    Slight Chance
    T-storms then
    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 3am.  Partly cloudy, with a low around 66. East wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 9am.  Mostly sunny and hot, with a high near 98. Light and variable wind becoming west southwest around 6 mph in the morning.

    High: 98 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. East northeast wind around 6 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 105. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 105 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. South wind around 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 94. North wind 10 to 15 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. North wind 10 to 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. North wind 14 to 16 mph.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before noon. Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. West southwest wind 5 to 8 mph becoming east in the afternoon.
Tonight
A 20 percent chance of showers after 3am. Partly cloudy, with a low around 66. East wind 5 to 7 mph becoming light and variable after midnight.
Friday
A 20 percent chance of showers before 9am. Mostly sunny and hot, with a high near 98. Light and variable wind becoming west southwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 66. East northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 105. Calm wind becoming south 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 73. South wind around 8 mph.
Sunday
Sunny and hot, with a high near 94. North wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 64. North wind 10 to 15 mph.
Monday
Sunny, with a high near 80. North wind 14 to 16 mph.
Monday Night
Partly cloudy, with a low around 55. North wind 5 to 13 mph.
Tuesday
Sunny, with a high near 82. East northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 57. Northeast wind 5 to 9 mph.
Wednesday
Sunny and hot, with a high near 90. East wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles W Hysham MT
 46.28°N 107.64°W (Elev. 3202 ft)
1:59 am MDT Jul 30, 2026
6am MDT Jul 30, 2026-6pm MDT Aug 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database