Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Flagstaff Pulliam Airport (KFLG)

Lat: 35.14433°NLon: 111.66637°WElev: 6994.0ft.

Clear

63°F

17°C

Humidity 63%
Wind Speed WSW 5 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 03 Sep 09:35 PM MST
Extended Forecast for

Flagstaff AZ

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Southwest wind 5 to 7 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 76. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 16 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 75 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 77. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. West wind around 6 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: A 10 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 78. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. West wind around 6 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Southwest wind 5 to 7 mph.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 76. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 16 mph.
Saturday
A 10 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 51. Calm wind.
Sunday
A 10 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 77. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening.
Labor Day
A 10 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 78. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 80. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 55. Light west wind.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. Light southwest wind.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Flagstaff AZ
 35.2°N 111.65°W (Elev. 6988 ft)
9:41 pm MST Sep 3, 2026
9pm MST Sep 3, 2026-6pm MST Sep 10, 2026
 
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