Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

75°F

24°C

Humidity 84%
Wind Speed SE 6 mph
Barometer 29.69 in (1005.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Jun 7:56 am CDT
Extended Forecast for

2 Miles W Niobrara NE

Extreme Heat Warning June 20, 12:00pm until June 22, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: Sunny and hot, with a high near 102. Heat index values as high as 107. Breezy, with a south wind 8 to 18 mph, with gusts as high as 31 mph.

    High: 102 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 80 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 106. South southwest wind around 15 mph, with gusts as high as 24 mph.

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 82. South wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 82 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Breezy, with a south wind around 18 mph, with gusts as high as 30 mph.

    High: 102 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 66. West wind 9 to 14 mph becoming east northeast in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 61. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 61 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 76. East northeast wind 6 to 9 mph.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 102. Heat index values as high as 107. Breezy, with a south wind 8 to 18 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 80. South wind 15 to 17 mph, with gusts as high as 26 mph.
Saturday
Sunny and hot, with a high near 106. South southwest wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 82. South wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 102. Breezy, with a south wind around 18 mph, with gusts as high as 30 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. West wind 9 to 14 mph becoming east northeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 76. East northeast wind 6 to 9 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 64. East wind 6 to 8 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Southeast wind 6 to 9 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southeast wind 6 to 8 mph.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Niobrara NE
 42.76°N 98.07°W (Elev. 1499 ft)
8:01 am CDT Jun 20, 2025
8am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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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