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

Williams/Clark Memorial Airport (KCMR)

Lat: 35.3054722°NLon: 112.1943889°WElev: 6680.0ft.

Clear

68°F

20°C

Humidity 45%
Wind Speed SE 17 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 31 Aug 08:35 AM MST
Extended Forecast for

8 Miles SSE Williams AZ

Flood Watch August 31, 08:58am until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 31, 08:58am until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Today

    High: 70 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 45. Light and variable wind becoming east around 5 mph.  Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    T-storms and
    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. Southeast wind 5 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 72 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 72. Southwest wind 8 to 14 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 46. South wind around 7 mph, with gusts as high as 17 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 74. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 74 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms after 11pm.  Mostly clear, with a low around 48. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 11am and 5pm. Mostly cloudy, with a high near 70. South wind 5 to 7 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 45. Light and variable wind becoming east around 5 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72. Southeast wind 5 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 46. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 72. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 46. South wind around 7 mph, with gusts as high as 17 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 74. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms after 11pm. Mostly clear, with a low around 48. South wind 7 to 9 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 73. South wind 8 to 10 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48. South wind around 5 mph becoming calm after midnight.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South wind 3 to 7 mph. Winds could gust as high as 16 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49. South wind around 5 mph becoming light and variable in the evening.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Southeast wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Williams AZ
 35.15°N 112.14°W (Elev. 7198 ft)
3:12 am MST Aug 31, 2026
8am 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