NWS Forecast for Mesa, AZ
National Weather Service Forecast for: Mesa, AZ
Issued by: National Weather Service NWS Phoenix
Updated: Fri, 07-Aug-2026 3:43am MST

Mesa, Arizona
 
Today

Today: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

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

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

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

Wednesday: Chance Showers And Thunderstorms
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 111 °F Hi 108 °F Hi 105 °F Hi 105 °F Hi 104 °F  
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms then Mostly Cloudy
Slight 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: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
 
Lo 89 °F Lo 89 °F Lo 87 °F Lo 84 °F Lo 85 °F Lo 83 °F Lo 83 °F  

Extreme Heat Warning
 

Today
 
Sunny, with a high near 111. Heat index values as high as 113. West northwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
A slight chance of showers and thunderstorms between 8pm and 10pm. Partly cloudy, with a low around 89. Heat index values as high as 110. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Saturday
 
Sunny, with a high near 112. Heat index values as high as 113. South southwest wind 0 to 5 mph.
Saturday Night
 
A slight chance of showers and thunderstorms between 11pm and 5am. Partly cloudy, with a low around 89. Heat index values as high as 110. East southeast wind around 5 mph.
Sunday
 
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 111. South southwest wind 0 to 5 mph. Chance of precipitation is 20%.
Sunday Night
 
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 87. West wind 0 to 5 mph. Chance of precipitation is 20%.
Monday
 
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 108. West wind 0 to 5 mph. Chance of precipitation is 40%.
Monday Night
 
A chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 84. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tuesday
 
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 105. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.
Tuesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 85. West southwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 105. West southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night
 
A 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. Mostly cloudy, with a low around 83. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 104. South wind 0 to 5 mph. Chance of precipitation is 20%.
Thursday Night
 
A slight chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 83. South southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

 

Forecast from NOAA-NWS for Mesa, AZ.