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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

70°F

21°C

Humidity 37%
Wind Speed WNW 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Sep 06:15 PM MDT
Extended Forecast for

St. Anthony ID

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 71. Northeast wind 5 to 8 mph becoming southwest in the afternoon.

    High: 71 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain between midnight and 1am. Mostly cloudy, with a low around 41. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming southwest around 6 mph in the morning.

    High: 72 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Light and variable wind becoming east northeast 5 to 8 mph after midnight.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Calm wind becoming northeast 5 to 7 mph after midnight.
Tuesday
Increasing clouds, with a high near 71. Northeast wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain between midnight and 1am. Mostly cloudy, with a low around 41. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 41. Light and variable wind becoming east northeast 5 to 8 mph after midnight.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Anthony ID
 43.97°N 111.67°W (Elev. 4993 ft)
Last Update:
5:31 pm MDT Sep 21, 2026
Forecast Valid:
6pm MDT Sep 21, 2026-6pm MDT Sep 28, 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