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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Big Horn County Airport (K00U)

Lat: 45.74439°NLon: 107.66044°WElev: 3025.0ft.

Clear

86°F

30°C

Humidity 19%
Wind Speed ENE 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Aug 05:15 PM MDT
Extended Forecast for

Hardin MT

  • Tonight

    Tonight: Patchy smoke before midnight. Partly cloudy, with a low around 54. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. North northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Calm wind becoming east around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. East wind 3 to 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 96. Light south southeast wind.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 61. Light and variable wind becoming east northeast around 5 mph.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 93. Light and variable wind becoming north 5 to 8 mph in the afternoon.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 60. North northwest wind 5 to 8 mph becoming south after midnight.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy smoke before midnight. Partly cloudy, with a low around 54. Northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. North northeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly sunny and hot, with a high near 92. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60. East wind 3 to 8 mph.
Thursday
Mostly sunny and hot, with a high near 96. Light south southeast wind.
Thursday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 61. Light and variable wind becoming east northeast around 5 mph.
Friday
Mostly sunny and hot, with a high near 93. Light and variable wind becoming north 5 to 8 mph in the afternoon.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 60. North northwest wind 5 to 8 mph becoming south after midnight.
Saturday
Mostly sunny and hot, with a high near 90. Southwest wind 5 to 7 mph.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55. West wind around 6 mph becoming southeast in the evening.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 83. West northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 50. West northwest wind 5 to 10 mph becoming light west after midnight.
Monday
Sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hardin MT
 45.73°N 107.6°W (Elev. 2900 ft)
Last Update:
5:03 pm MDT Aug 24, 2026
Forecast Valid:
5pm MDT Aug 24, 2026-6pm MDT Aug 31, 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