NWS Forecast for Mesa, AZ
National Weather Service Forecast for: Mesa, AZ
Issued by: National Weather Service NWS Phoenix
Updated: Thu, 06-Aug-2026 4:03pm MST

Mesa, Arizona
 
  Friday

Friday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Saturday

Saturday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Sunday

Sunday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Monday

Monday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Tuesday

Tuesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday

Wednesday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Thursday

Thursday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
  Hi 111 °F Hi 112 °F Hi 110 °F Hi 107 °F Hi 105 °F Hi 105 °F Hi 105 °F
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Sunday
Night
Sunday Night: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Monday
Night
Monday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms then Chance Showers And T-Storms
 
Lo 86 °F Lo 88 °F Lo 86 °F Lo 85 °F Lo 83 °F Lo 84 °F Lo 83 °F  

Extreme Heat Warning
 

Tonight
 
Partly cloudy. Low around 86, with temperatures rising to around 89 overnight. Heat index values as high as 110. West northwest wind 0 to 15 mph, with gusts as high as 25 mph.
Friday
 
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 111. Heat index values as high as 113. West southwest wind 0 to 5 mph.
Friday Night
 
Partly cloudy. Low around 88, with temperatures rising to around 90 overnight. Heat index values as high as 110. East northeast wind 0 to 5 mph.
Saturday
 
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 112. Heat index values as high as 113. Southwest wind 0 to 5 mph.
Saturday Night
 
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 86. Southeast wind 0 to 5 mph.
Sunday
 
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 110. South southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night
 
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 85. West wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Monday
 
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 107. West northwest wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Monday Night
 
A chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 83. South wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tuesday
 
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 105. Southwest wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 84. West wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 105. West wind 0 to 5 mph. Chance of precipitation is 20%.
Wednesday Night
 
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. South wind 0 to 5 mph. Chance of precipitation is 30%.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 105. South southwest wind around 5 mph. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Mesa, AZ.