National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Fair

34°F

1°C

Humidity 81%
Wind Speed W 10 mph
Barometer 30.13 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 9 Jan 1:35 pm CST
Extended Forecast for

Rock Valley IA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 38. West wind around 5 mph.

    High: 38 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 22. West northwest wind around 5 mph.

    Low: 22 °F

    Gradual
    Clearing

  • Saturday

    Saturday: A chance of flurries between noon and 1pm. Sunny, with a high near 31. Blustery, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 31 °F

    Mostly Sunny
    then Chance
    Flurries and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 36. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. South southwest wind 5 to 10 mph becoming west after midnight.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Cloudy, with a high near 38. West wind around 5 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 22. West northwest wind around 5 mph.
Saturday
A chance of flurries between noon and 1pm. Sunny, with a high near 31. Blustery, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 12. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 36. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 27. South southwest wind 5 to 10 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 52. Breezy.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley IA
 43.22°N 96.31°W (Elev. 1230 ft)
Last Update:
1:03 pm CST Jan 9, 2026
Forecast Valid:
1pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation