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.

Snow and Windy

21°F

-6°C

Humidity 100%
Wind Speed NW 36 G 45 mph
Barometer 29.87 in
Dewpoint 21°F (-6°C)
Visibility 0.15 mi
Wind Chill1°F (-17°C)
Last update 28 Dec 8:15 am CST
Extended Forecast for

Rock Valley IA

Winter Weather Advisory December 28, 08:27am until December 29, 06:00am
Wind Advisory until December 29, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory December 28, 08:27am until December 29, 06:00am
    Wind Advisory until December 29, 12:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 27 °F⇓

    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A slight chance of snow between 9pm and midnight. Patchy blowing snow. Mostly cloudy, with a low around 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    Low: 5 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before 9am. Mostly sunny, with a high near 17. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 17 °F

    Patchy
    Blowing Snow
    and Blustery
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. West northwest wind around 5 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 11am. Patchy blowing snow. Temperature falling to around 9 by 5pm. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around 2 inches.
Tonight
A slight chance of snow between 9pm and midnight. Patchy blowing snow. Mostly cloudy, with a low around 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday
Patchy blowing snow before 9am. Mostly sunny, with a high near 17. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 7. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 34. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 11.
New Year's Day
Partly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 31.
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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:
6:23 am CST Dec 28, 2025
Forecast Valid:
8am CST Dec 28, 2025-6pm CST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation