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

48°F

9°C

Humidity 66%
Wind Speed SE 5 mph
Barometer 29.61 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 7 Jan 4:55 pm CST
Extended Forecast for

Rock Valley IA

  • Tonight

    Tonight: Increasing clouds, with a low around 33. South wind around 5 mph becoming calm after midnight.

    Low: 33 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after 1pm. Cloudy, with a high near 42. Light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 42 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and midnight. Cloudy, with a low around 25. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 38. North northwest wind 5 to 10 mph.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 5 to 10 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Partly sunny, with a high near 28. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 28 °F

    Slight Chance
    Snow then
    Partly Sunny
    and Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. South wind around 5 mph becoming calm after midnight.
Thursday
A 50 percent chance of rain, mainly after 1pm. Cloudy, with a high near 42. Light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and midnight. Cloudy, with a low around 25. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, with a high near 38. North northwest wind 5 to 10 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 5 to 10 mph.
Saturday
A 20 percent chance of snow before noon. Partly sunny, with a high near 28. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
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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:
4:58 pm CST Jan 7, 2026
Forecast Valid:
5pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation