Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4° N Lon: 96.38° W Elev: 1099 ft.

Fair

18°F

-8°C

Humidity 52%
Wind Speed NW 18 mph
Barometer 30.48 in (1034.3 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 21 Feb 9:52 pm CST
Detailed forecast for

Thurston County

This Afternoon
Mostly sunny. Highs in the upper 20s. Northwest winds 10 to 15 mph.
Tonight
Mostly clear. Cold with lows around 7 above. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 11 below after midnight.
Sunday
Sunny. Highs in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 13 below in the morning.
Sunday Night
Mostly clear. Cold with lows around zero. North winds 10 to 15 mph. Wind chill values as low as 8 below after midnight.
Monday
Sunny. Highs in the mid 20s. East winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. Wind chill values as low as 7 below in the morning.
Monday Night
Mostly cloudy. Not as cool with lows 10 to 15. Temperature rising into the lower 20s after midnight.
Tuesday
Mostly cloudy. Not as cool with highs in the lower 50s.
Tuesday Night
Mostly cloudy. Not as cool with lows in the mid 20s.
Wednesday
Partly sunny. A slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent.
Wednesday Night
Mostly cloudy with a chance of rain and snow in the evening, then partly cloudy with a slight chance of rain after midnight. Lows in the lower 20s. Chance of precipitation 30 percent.
Thursday
Sunny. Highs in the lower 50s.
Thursday Night
Mostly clear. Lows around 30.
Friday
Sunny. Not as cool with highs in the lower 60s.



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1247 PM CST Sat Feb 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database