Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

55°F

13°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 30.14 in (1021.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 27 Aug 6:56 am CDT
Extended Forecast for

Santee NE

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southeast wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. Breezy, with a south wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 87 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Increasing clouds, with a low around 72. Breezy, with a south wind 17 to 21 mph, with gusts as high as 32 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 93 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 73. South wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 92. West southwest wind 6 to 9 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph becoming south southeast in the evening.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 89. North wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 89 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 87. Breezy, with a south wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 72. Breezy, with a south wind 17 to 21 mph, with gusts as high as 32 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 93. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. South wind 8 to 10 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 92. West southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph becoming south southeast in the evening.
Monday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. North wind 5 to 9 mph, with gusts as high as 16 mph.
Monday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 66. North wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
A slight chance of showers. Partly sunny, with a high near 87. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Santee NE
 42.83°N 97.84°W (Elev. 1401 ft)
7:05 am CDT Aug 27, 2026
7am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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