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

66°F

19°C

Humidity 88%
Wind Speed S 5 mph
Barometer 29.97 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Aug 1:53 am CDT
Extended Forecast for

White Rock SD

  • Overnight

    Overnight: Partly cloudy, with a low around 58. South southeast wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Breezy, with a south southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 29 mph.

    High: 85 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am. Partly cloudy, with a low around 55. Breezy, with a north northwest wind 15 to 20 mph becoming northwest 9 to 14 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 74. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West northwest wind around 6 mph becoming light and variable in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light and variable wind becoming west southwest 5 to 8 mph in the morning.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South southwest wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. South southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 85. Breezy, with a south southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 64. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 85. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 29 mph.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am. Partly cloudy, with a low around 55. Breezy, with a north northwest wind 15 to 20 mph becoming northwest 9 to 14 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 74. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 52. West northwest wind around 6 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 79. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. South southwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 83.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 60. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
White Rock SD
 45.91°N 96.59°W (Elev. 984 ft)
Last Update:
1:31 am CDT Aug 2, 2026
Forecast Valid:
1am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation