Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Williams/Clark Memorial Airport (KCMR)

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

Partly Cloudy

82°F

28°C

Humidity 24%
Wind Speed WSW 5 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 06:35 PM MST
Extended Forecast for

8 Miles SE Grand Canyon, Valle Airport AZ

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. South wind 5 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Southwest wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 88. West wind 5 to 8 mph.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely after 11am.  Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 60. Light and variable wind.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 89. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 60. South wind 5 to 7 mph.
Wednesday
Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 60. Southwest wind 5 to 9 mph, with gusts as high as 15 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. West wind 5 to 8 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 60. Light and variable wind.
Saturday
A 50 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Light and variable wind becoming southwest around 6 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind 3 to 5 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Light and variable wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Grand Canyon, Valle Airport AZ
 35.56°N 112.07°W (Elev. 6398 ft)
3:13 pm MST Aug 17, 2026
6pm MST Aug 17, 2026-6pm MST Aug 24, 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