Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

62°F

17°C

Humidity 89%
Wind Speed NE 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Aug 12:53 AM MDT
Extended Forecast for

3 Miles NW Sugar City ID

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Light northeast wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 4pm and 5pm.  Partly sunny, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Southwest wind 15 to 20 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. South southwest wind 5 to 8 mph becoming east northeast after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Light northeast wind.
Sunday
A slight chance of showers and thunderstorms between 4pm and 5pm. Partly sunny, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 51. Southwest wind 15 to 20 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 33 mph.
Monday
Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 51. South southwest wind 5 to 8 mph becoming east northeast after midnight.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sugar City ID
 43.9°N 111.78°W (Elev. 4879 ft)
12:30 am MDT Aug 23, 2026
1am MDT Aug 23, 2026-6pm MDT Aug 29, 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