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

AL3A Flagstaff (F1362)

Lat: 35.25583°NLon: 111.72867°WElev: 7332.94ft.

NA

56°F

13°C

Humidity 88%
Wind Speed ENE 1 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 31 Aug 08:55 AM MST
Extended Forecast for

3 Miles N Flagstaff AZ

Flood Watch August 31, 09:02am until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 31, 09:02am until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Today

    High: 69 °F

    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm.  Patchy fog after 8pm.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 44. Calm wind.  Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am.  Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 72. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 72 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 72. Southwest wind 7 to 15 mph, with gusts as high as 28 mph.

    High: 72 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 69. East wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm. Patchy fog after 8pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 44. Calm wind. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 45. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 72. Southwest wind 7 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 45. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 74. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 47. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 73. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49. Light southwest wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Flagstaff AZ
 35.24°N 111.66°W (Elev. 7454 ft)
3:12 am MST Aug 31, 2026
9am MST Aug 31, 2026-6pm MST Sep 6, 2026
 
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Additional Resources

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