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

Rexburg, Rexburg-Madison County Airport (KRXE)

Lat: 43.83167°NLon: 111.80611°WElev: 4859.0ft.

Clear

48°F

9°C

Humidity 42%
Wind Speed NE 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Mar 01:00 AM MDT
Extended Forecast for

15 Miles SSE Dubois ID

  • Overnight

    Overnight: Mostly clear, with a low around 41. East wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 74. Breezy, with an east wind 6 to 11 mph becoming west 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 74 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 35. Breezy, with a west wind 19 to 24 mph becoming north northeast 6 to 11 mph in the evening. Winds could gust as high as 36 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. East wind 6 to 10 mph becoming south southwest in the afternoon.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. South southwest wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East wind around 6 mph.
Saturday
Increasing clouds, with a high near 74. Breezy, with an east wind 6 to 11 mph becoming west 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 35. Breezy, with a west wind 19 to 24 mph becoming north northeast 6 to 11 mph in the evening. Winds could gust as high as 36 mph.
Sunday
Sunny, with a high near 62. East wind 6 to 10 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 33. South southwest wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 44. Breezy.
Wednesday
Partly sunny, with a high near 69. Breezy.
Wednesday Night
Mostly cloudy, with a low around 36. Breezy.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Dubois ID
 43.98°N 112.06°W (Elev. 4987 ft)
12:31 am MDT Mar 21, 2026
1am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
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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