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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

32°F

0°C

Humidity 74%
Wind Speed ENE 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Mar 07:20 AM MDT
Extended Forecast for

Ashton ID

  • Today

    Today: Sunny, with a high near 67. East wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. West wind 5 to 10 mph becoming east after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. West southwest wind 5 to 9 mph becoming east southeast after midnight.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. East wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 37. West wind 5 to 10 mph becoming east after midnight.
Thursday
Sunny, with a high near 70. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 39. West southwest wind 5 to 9 mph becoming east southeast after midnight.
Friday
Mostly sunny, with a high near 72. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ashton ID
 44.08°N 111.45°W (Elev. 5299 ft)
Last Update:
5:31 am MDT Mar 18, 2026
Forecast Valid:
7am MDT Mar 18, 2026-6pm MDT Mar 24, 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