Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

AL3A Flagstaff (F1362)

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

NA

60°F

16°C

Humidity 87%
Wind Speed NA 0 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 31 Aug 12:05 AM MST
Extended Forecast for

6 Miles NNW Flagstaff AZ

Flood Watch August 31, 12:15am until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 31, 12:15am until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Overnight

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am.  Patchy fog before 11am. High near 69. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    High: 69 °F

    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm.  Patchy fog.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 42. Calm wind.  Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 11am.  Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 71. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Southwest wind 3 to 6 mph.

    Low: 42 °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 14 mph, with gusts as high as 26 mph.

    High: 72 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Southwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Southwest wind 5 to 11 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 70%.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 11am. High near 69. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm. Patchy fog. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 42. Calm wind. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 71. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 42. Southwest wind 3 to 6 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 72. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 42. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 73. Southwest wind 5 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 44. Southwest wind 3 to 7 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 46. Light and variable wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Flagstaff AZ
 35.26°N 111.71°W (Elev. 7441 ft)
11:31 pm MST Aug 30, 2026
12am MST Aug 31, 2026-6pm MST Sep 6, 2026
 
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Additional Resources

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