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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Dillon, Dillon Airport (KDLN)

Lat: 45.2575°NLon: 112.55444°WElev: 5239.0ft.

Mostly Cloudy

70°F

21°C

Humidity 18%
Wind Speed W 25 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Mar 12:35 PM MDT
Extended Forecast for

Dillon MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 47 mph.

    High: 68 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Blustery, with a west northwest wind 19 to 24 mph becoming north 7 to 12 mph in the evening. Winds could gust as high as 33 mph.

    Low: 29 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65. Light south southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Breezy, with a south southwest wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 67 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Windy.

    High: 65 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 47 mph.
Tonight
Mostly clear, with a low around 29. Blustery, with a west northwest wind 19 to 24 mph becoming north 7 to 12 mph in the evening. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 59. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 32. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 65. Light south southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 40. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 67. Breezy, with a south southwest wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph.
Wednesday
Mostly sunny, with a high near 65. Windy.
Wednesday Night
Partly cloudy, with a low around 32. Breezy.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dillon MT
 45.22°N 112.62°W (Elev. 5125 ft)
Last Update:
12:26 pm MDT Mar 21, 2026
Forecast Valid:
12pm MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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