Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact multiple areas in the Plains and Intermountain West. Isolated severe thunderstorm wind gusts and possibly a tornado or two could occur tonight from southern and eastern New Mexico into west Texas. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92° N Lon: 97.38° W Elev: 1306 ft.

Mostly Cloudy

69°F

21°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 29.76 in (1008.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Sep 8:56 pm CDT
Detailed forecast for

Knox County

Rest Of Tonight
Mostly cloudy. A slight chance of showers early this evening. Areas of fog. Lows in the upper 50s. South winds around 5 mph, becoming west around 5 mph. Chance of rain 20 percent.
Wednesday
Widespread fog in the morning. Mostly cloudy. Highs in the lower 70s. Northeast winds around 5 mph.
Wednesday Night
Cloudy with a 20 percent chance of showers. Lows in the upper 50s. East winds around 5 mph, becoming northeast after midnight.
Thursday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night
Partly cloudy. Lows in the upper 40s. North winds 5 to 10 mph.
Friday
Mostly sunny. Highs in the lower 60s.
Friday Night
Mostly clear. Lows around 50.
Saturday
Mostly sunny. Highs in the mid 60s.
Saturday Night
Mostly clear. Lows around 50.
Sunday
Sunny. Highs in the lower 60s.
Sunday Night
Mostly clear. Lows around 50.
Monday
Mostly sunny. Highs in the mid 60s.
Monday Night
Partly cloudy. Lows in the mid 50s.
Tuesday
Mostly sunny. Highs in the upper 60s.



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828 PM CDT Tue Sep 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database