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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

61°F

16°C

Humidity 82%
Wind Speed WNW 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Jul 02:00 AM MDT
Extended Forecast for

Ashton ID

  • Overnight

    Overnight: Isolated showers and thunderstorms before 4am. Partly cloudy, with a low around 52. East northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Isolated
    T-storms

  • Thursday

    Thursday: Patchy smoke after 4pm. Sunny, with a high near 88. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny then
    Patchy Smoke

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms between 7pm and 10pm. Patchy smoke before 8pm. Partly cloudy, with a low around 55. South wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 20%.

    Low: 55 °F

    Isolated
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 5pm. Patchy smoke between 2pm and 4pm. Sunny, with a high near 92. East northeast wind around 6 mph becoming light and variable.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South southeast wind 6 to 8 mph becoming east northeast after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55. Breezy.

    Low: 55 °F

    Clear and
    Breezy then
    Clear

Detailed Forecast

Overnight
Isolated showers and thunderstorms before 4am. Partly cloudy, with a low around 52. East northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday
Patchy smoke after 4pm. Sunny, with a high near 88. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Isolated showers and thunderstorms between 7pm and 10pm. Patchy smoke before 8pm. Partly cloudy, with a low around 55. South wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 5pm. Patchy smoke between 2pm and 4pm. Sunny, with a high near 92. East northeast wind around 6 mph becoming light and variable.
Friday Night
Mostly clear, with a low around 56. South southeast wind 6 to 8 mph becoming east northeast after midnight.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 55. Breezy.
Monday
Sunny, with a high near 85.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 91.
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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:
12:31 am MDT Jul 30, 2026
Forecast Valid:
2am MDT Jul 30, 2026-6pm MDT Aug 5, 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