National Weather Service Forecast for: Rexburg ID
Issued by: National Weather Service Pocatello, ID
Updated: 6:26 am MDT Jul 10, 2026
 
Today

Today: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. Light south southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunny then
Slight Chance
T-storms
 Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 56. South southwest wind 5 to 9 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Slight Chance
T-storms then
Mostly Clear
 Saturday

Saturday: Sunny and hot, with a high near 97. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Hot

 Saturday
Night
Saturday Night: Mostly clear, with a low around 59. Southwest wind 6 to 10 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Mostly Clear

 Sunday

Sunday: Sunny and hot, with a high near 103. East northeast wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.
Hot

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 61.
Partly Cloudy

 Monday

Monday: Sunny and hot, with a high near 100.
Hot

 Monday
Night
Monday Night: Partly cloudy, with a low around 64.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny and hot, with a high near 96.
Hot
Hi 91 °F Lo 56 °F Hi 97 °F Lo 59 °F Hi 103 °F Lo 61 °F Hi 100 °F Lo 64 °F Hi 96 °F

Heat Advisory
 

Today
 
 A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. Light south southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
 
 A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 56. South southwest wind 5 to 9 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Saturday
 
 Sunny and hot, with a high near 97. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
 
 Mostly clear, with a low around 59. Southwest wind 6 to 10 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Sunday
 
 Sunny and hot, with a high near 103. East northeast wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
 
 Partly cloudy, with a low around 61.
Monday
 
 Sunny and hot, with a high near 100.
Monday Night
 
 Partly cloudy, with a low around 64.
Tuesday
 
 Mostly sunny and hot, with a high near 96.
Tuesday Night
 
 Partly cloudy, with a low around 62.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
 
 Partly cloudy, with a low around 60.
Thursday
 
 Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Rexburg ID.