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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed ENE 6 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Aug 05:20 AM MDT
Extended Forecast for

6 Miles SSE Rexburg ID

  • Today

    Today: Sunny, with a high near 88. East northeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 7 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. East wind 6 to 8 mph becoming southwest in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. South southwest wind around 8 mph becoming east southeast after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. East wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. East northeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 57. Southwest wind 7 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 94. East wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. South southwest wind around 8 mph becoming east southeast after midnight.
Wednesday
Mostly sunny, with a high near 91. East wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Rexburg ID
 43.75°N 111.75°W (Elev. 5200 ft)
Last Update:
5:31 am MDT Aug 18, 2025
Forecast Valid:
5am MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
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