Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

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

Mostly Cloudy

61°F

16°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 28 Aug 4:52 am CDT
Detailed forecast for

Thurston County

Today
Mostly sunny early, then becoming mostly sunny. A slight chance of showers and thunderstorms early this morning. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph this afternoon. Chance of rain 20 percent.
Tonight
Mostly clear in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Warmer with lows in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
Saturday
Partly sunny with a slight chance of showers and thunderstorms in the morning, then sunny in the afternoon. Highs in the lower 90s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.
Saturday Night
Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.
Sunday
Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph with gusts up to 25 mph.
Sunday Night
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Monday
Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent.
Monday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. A slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.
Tuesday Night
Mostly clear with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent.
Wednesday
Mostly sunny. Highs in the upper 80s.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.
Thursday
Mostly sunny. Highs in the upper 80s.



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447 AM CDT Fri Aug 28 2026
 
 

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