Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

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

Fair

81°F

27°C

Humidity 44%
Wind Speed S 14 mph
Barometer 29.97 in (1015.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 1 Oct 5:56 pm CDT
Detailed forecast for

Knox County

Tonight
Mostly clear. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Thursday
Sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph.
Thursday Night
Mostly clear. Lows in the lower 60s. South winds 5 to 10 mph.
Friday
Sunny. Highs in the upper 80s. South winds 15 to 20 mph.
Friday Night
Mostly clear and breezy. Lows in the lower 70s. South winds 15 to 25 mph with gusts up to 35 mph.
Saturday
Sunny, windy, hot with highs around 90.
Saturday Night
Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Windy with lows in the lower 60s. Chance of rain 30 percent.
Sunday
Sunny, breezy and not as warm with highs in the lower 70s.
Sunday Night
Mostly clear. A slight chance of showers after midnight. Much cooler with lows in the upper 40s. Chance of rain 20 percent.
Monday
Mostly sunny. A slight chance of showers in the morning. Highs in the mid 60s. Chance of rain 20 percent.
Monday Night
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 20 percent.
Tuesday
Mostly sunny. Highs in the upper 60s.
Tuesday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday
Mostly sunny. Highs in the upper 60s.



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544 PM CDT Wed Oct 1 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database