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

Big Horn County Airport (K00U)

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

Partly Cloudy

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Apr 04:55 AM MDT
Extended Forecast for

Hardin MT

  • Today

    Today: Sunny, with a high near 70. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South southeast wind 3 to 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind around 6 mph becoming southeast in the evening.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Southeast wind around 6 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. South southwest wind 5 to 11 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after midnight. Low around 37. West wind 17 to 24 mph. Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Thursday

    Thursday: Rain showers before 9am, then rain and snow showers between 9am and 3pm, then rain showers likely after 3pm. High near 49. West northwest wind 24 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

    High: 49 °F

    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 70. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 37. South southeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 80. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 44. Northwest wind around 6 mph becoming southeast in the evening.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 53. Southeast wind around 6 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. South southwest wind 5 to 11 mph.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 37. West wind 17 to 24 mph. Chance of precipitation is 80%.
Thursday
Rain showers before 9am, then rain and snow showers between 9am and 3pm, then rain showers likely after 3pm. High near 49. West northwest wind 24 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 28. Northwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 49. Northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26. North wind 6 to 15 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow showers. Partly sunny, with a high near 50. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hardin MT
 45.73°N 107.6°W (Elev. 2900 ft)
Last Update:
12:38 am MDT Apr 19, 2026
Forecast Valid:
5am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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