Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Flagstaff Pulliam Airport (KFLG)

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

Clear

63°F

17°C

Humidity 77%
Wind Speed SW 8 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Aug 10:00 AM MST
Extended Forecast for

9 Miles SE Flagstaff AZ

Flood Watch August 31, 10:18am until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 31, 10:18am until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Today

    High: 70 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 48. West wind around 6 mph becoming light and variable.

    Low: 48 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 8am.  Sunny, with a high near 75. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 75 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Southwest wind 9 to 13 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 33 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 33 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 70. Southeast wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tonight
A 40 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 48. West wind around 6 mph becoming light and variable.
Tuesday
A 20 percent chance of showers and thunderstorms after 8am. Sunny, with a high near 75. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 49. Southwest wind 9 to 13 mph.
Wednesday
Sunny, with a high near 75. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 50. Southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 75. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 33 mph.
Thursday Night
Mostly clear, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 74. Southwest wind 7 to 15 mph, with gusts as high as 28 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. Southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. Light southwest wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52. Light southwest wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Flagstaff AZ
 35.12°N 111.53°W (Elev. 7133 ft)
10:12 am MST Aug 31, 2026
10am MST Aug 31, 2026-6pm MST Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database