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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Big Horn County Airport (K00U)

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

Clear

63°F

17°C

Humidity 72%
Wind Speed SSE 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 01:30 AM MDT
Extended Forecast for

Hardin MT

  • Overnight

    Overnight: A slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 59. Light south wind. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 3pm. Cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 8pm. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 77. Light west southwest wind becoming west northwest 6 to 11 mph in the morning.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. East wind 5 to 7 mph becoming light and variable after midnight.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. East wind 6 to 8 mph becoming south after midnight.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 59. Light south wind. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 3pm. Cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers before 8pm. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 77. Light west southwest wind becoming west northwest 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 44. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 49. East wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51. East wind 6 to 8 mph becoming south after midnight.
Wednesday
Mostly sunny and hot, with a high near 90. South wind 5 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 51. Southwest wind 6 to 11 mph.
Thursday
Mostly sunny, with a high near 89. West southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 52. West northwest wind 7 to 11 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 87. Calm wind becoming north 5 to 9 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:
12:33 am MDT Aug 29, 2026
Forecast Valid:
1am MDT Aug 29, 2026-6pm MDT Sep 4, 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