National Weather Service Forecast for: Flagstaff AZ
Issued by: National Weather Service Flagstaff, AZ
Updated: 11:32 pm MST Jun 21, 2026
 
Overnight

Overnight: Clear, with a low around 39. West wind 3 to 5 mph.
Clear

 Monday

Monday: Sunny, with a high near 87. Light west wind becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 29 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 49. Southwest wind 6 to 11 mph becoming light west. Winds could gust as high as 20 mph.
Mostly Clear

 Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 90. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Slight Chance
T-storms

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 54. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Partly Cloudy

 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Chance
Showers then
Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 58. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Partly Cloudy

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Chance
T-storms

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 57. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 28 mph.
Partly Cloudy
Lo 39 °F Hi 87 °F Lo 49 °F Hi 90 °F Lo 54 °F Hi 88 °F Lo 58 °F Hi 86 °F Lo 57 °F

 

Overnight
 
 Clear, with a low around 39. West wind 3 to 5 mph.
Monday
 
 Sunny, with a high near 87. Light west wind becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 29 mph.
Monday Night
 
 Mostly clear, with a low around 49. Southwest wind 6 to 11 mph becoming light west. Winds could gust as high as 20 mph.
Tuesday
 
 A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 90. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
 
 Partly cloudy, with a low around 54. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
 
 Partly cloudy, with a low around 58. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
 
 Partly cloudy, with a low around 57. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 28 mph.
Friday
 
 A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 86. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Friday Night
 
 Mostly clear, with a low around 57. Southwest wind 13 to 21 mph, with gusts as high as 34 mph.
Saturday
 
 Sunny, with a high near 83. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 43 mph.
Saturday Night
 
 Mostly clear, with a low around 55. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 43 mph.
Sunday
 
 Sunny, with a high near 81. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 38 mph.

 

Forecast from NOAA-NWS for Flagstaff AZ.