Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Partly Cloudy

52°F

11°C

Humidity 27%
Wind Speed S 11 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 20 May 12:00 AM MDT
Extended Forecast for

St. Anthony ID

Frost Advisory May 20, 03:00am until May 20, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 33. East northeast wind around 6 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 65. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 65 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain, mainly after midnight.  Low around 36. West southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 90%.

    Low: 36 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 59. North wind 5 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. North wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 33. East northeast wind around 6 mph.
Wednesday
Increasing clouds, with a high near 65. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Rain, mainly after midnight. Low around 36. West southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Thursday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. North wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 32. North wind 7 to 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 43.
Memorial Day
Sunny, with a high near 82. Breezy.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
St. Anthony ID
 43.95°N 111.7°W (Elev. 4957 ft)
11:31 pm MDT May 19, 2026
12am MDT May 20, 2026-6pm MDT May 26, 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