National Weather Service Forecast for: Provo UT
Issued by: National Weather Service Salt Lake City, UT
Updated: 12:31 am MDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 71. Light southeast wind.
Mostly Clear

 Thursday

Thursday: Sunny and hot, with a high near 103. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 72. Light and variable wind becoming east around 6 mph in the evening.
Mostly Clear

 Friday

Friday: A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 102. Light and variable wind becoming southeast around 5 mph in the afternoon.
Mostly Sunny
then Slight
Chance
T-storms
 Friday
Night
Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 20%.
Slight Chance
T-storms

 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 97.
Partly Sunny
then Slight
Chance
T-storms
 Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 67.
Chance
T-storms

 Sunday

Sunday: Mostly sunny, with a high near 96.
Mostly Sunny

 Sunday
Night
Sunday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66.
Chance
T-storms then
Mostly Cloudy
Lo 71 °F Hi 103 °F Lo 72 °F Hi 102 °F Lo 70 °F Hi 97 °F Lo 67 °F Hi 96 °F Lo 66 °F

Heat Advisory
 

Overnight
 
 Mostly clear, with a low around 71. Light southeast wind.
Thursday
 
 Sunny and hot, with a high near 103. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 72. Light and variable wind becoming east around 6 mph in the evening.
Friday
 
 A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 102. Light and variable wind becoming southeast around 5 mph in the afternoon.
Friday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 20%.
Saturday
 
 A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 97.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 67.
Sunday
 
 Mostly sunny, with a high near 96.
Sunday Night
 
 A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66.
Monday
 
 Mostly sunny, with a high near 95.
Monday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
 
 Mostly sunny, with a high near 95.
Tuesday Night
 
 Partly cloudy, with a low around 66.
Wednesday
 
 Mostly sunny, with a high near 96.

 

Forecast from NOAA-NWS for Provo UT.