National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Wheaton Municipal Airport (KETH)

Lat: 45.78°NLon: 96.55°WElev: 1011ft.

Fair

79°F

26°C

Humidity 61%
Wind Speed NW 9 mph
Barometer 30.09 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 1 Aug 12:33 pm CDT
Extended Forecast for

White Rock SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. North wind 7 to 11 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Calm wind becoming south southeast 5 to 7 mph after midnight.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Breezy, with a south southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 82 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 28 mph.

    High: 83 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. South southeast wind 11 to 17 mph becoming north northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Northwest wind 9 to 11 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming south southwest around 6 mph in the morning.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. North wind 7 to 11 mph.
Tonight
Partly cloudy, with a low around 59. Calm wind becoming south southeast 5 to 7 mph after midnight.
Sunday
Mostly sunny, with a high near 82. Breezy, with a south southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 62. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 29 mph.
Monday
Partly sunny, with a high near 83. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 28 mph.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. South southeast wind 11 to 17 mph becoming north northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 75. Northwest wind 9 to 11 mph.
Tuesday Night
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming south southwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 60. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
White Rock SD
 45.91°N 96.59°W (Elev. 984 ft)
Last Update:
12:36 pm CDT Aug 1, 2026
Forecast Valid:
12pm CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation