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

I-40 @ Ash Fork Hill (AZT03)

Lat: 35.21985°NLon: 112.33792°WElev: 6230.0ft.

NA

82°F

28°C

Humidity 36%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility 1.24 mi
Heat Index81°F (27°C)
Last update 30 Aug 03:03 PM MST
Extended Forecast for

18 Miles SW Williams AZ

Flood Watch August 30, 03:16pm until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 30, 03:16pm until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • This Afternoon

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 62. South wind 6 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 80. Southeast wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 59. South wind around 7 mph becoming east after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am.  Patchy fog between 8am and 11am.  Otherwise, mostly sunny, with a high near 83. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 83 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 11am.  Sunny, with a high near 84. Southwest wind 8 to 15 mph, with gusts as high as 30 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Southwest wind 5 to 8 mph becoming southeast after midnight.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 85. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 62. South wind 6 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind 7 to 10 mph, with gusts as high as 17 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind around 7 mph becoming east after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 83. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 60. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 84. Southwest wind 8 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 57. Southwest wind 5 to 8 mph becoming southeast after midnight.
Thursday
Sunny, with a high near 85. Southeast wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 59. South wind 6 to 8 mph becoming southeast after midnight.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind 8 to 13 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind 6 to 9 mph becoming east after midnight.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southeast wind around 7 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Williams AZ
 35.08°N 112.41°W (Elev. 5007 ft)
2:08 pm MST Aug 30, 2026
3pm MST Aug 30, 2026-6pm MST Sep 5, 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