National Weather Service Forecast for: Lehi UT
Issued by: National Weather Service Salt Lake City, UT
Updated: 1:51 pm MDT Jun 19, 2026
 
Tonight

Tonight: A slight chance of thunderstorms between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. South wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Saturday

Saturday: A slight chance of thunderstorms after 3pm. Sunny, with a high near 91. South southeast wind around 11 mph becoming west northwest in the afternoon. Chance of precipitation is 10%.
Sunny then
Slight Chance
T-storms
 Saturday
Night
Saturday Night: A slight chance of thunderstorms before midnight. Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Chance of precipitation is 10%.
Slight Chance
T-storms then
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 88. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 58. North wind 5 to 10 mph becoming light and variable after midnight.
Mostly Clear

 Monday

Monday: Sunny, with a high near 92.
Sunny

 Monday
Night
Monday Night: Clear, with a low around 59.
Clear

 Tuesday

Tuesday: Sunny, with a high near 97.
Sunny

 Tuesday
Night
Tuesday Night: Clear, with a low around 62.
Clear
Lo 65 °F Hi 91 °F Lo 57 °F Hi 88 °F Lo 58 °F Hi 92 °F Lo 59 °F Hi 97 °F Lo 62 °F

Fire Weather Watch
 

Tonight
 
 A slight chance of thunderstorms between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. South wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Saturday
 
 A slight chance of thunderstorms after 3pm. Sunny, with a high near 91. South southeast wind around 11 mph becoming west northwest in the afternoon. Chance of precipitation is 10%.
Saturday Night
 
 A slight chance of thunderstorms before midnight. Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Chance of precipitation is 10%.
Sunday
 
 Sunny, with a high near 88. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 58. North wind 5 to 10 mph becoming light and variable after midnight.
Monday
 
 Sunny, with a high near 92.
Monday Night
 
 Clear, with a low around 59.
Tuesday
 
 Sunny, with a high near 97.
Tuesday Night
 
 Clear, with a low around 62.
Wednesday
 
 Sunny, with a high near 99.
Wednesday Night
 
 Mostly clear, with a low around 64.
Thursday
 
 Sunny, with a high near 97.
Thursday Night
 
 Mostly clear, with a low around 63.
Friday
 
 Sunny, with a high near 95.

 

Forecast from NOAA-NWS for Lehi UT.