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.

Overcast

50°F

10°C

Humidity 29%
Wind Speed S 11 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 May 01:05 AM MDT
Extended Forecast for

4 Miles E Sugar City 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 34. East southeast wind 5 to 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Light and variable wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 3am, then showers likely.  Low around 37. Southwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 59. Light north wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 50%.

    High: 59 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 64. Light and variable wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Showers and thunderstorms before 3am, then showers likely. Low around 37. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Thursday
Scattered showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 59. Light north wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 45.
Memorial Day
Sunny, with a high near 82. Breezy.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Sugar City ID
 43.86°N 111.65°W (Elev. 5000 ft)
12:31 am MDT May 20, 2026
1am 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