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.

Overcast

14°F

-10°C

Humidity 92%
Wind Speed NE 5 mph
Barometer 30.44 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 30 Nov 8:15 pm CST
Extended Forecast for

Rock Valley IA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, cloudy, with a low around 7. Calm wind becoming south around 5 mph after midnight.

    Low: 7 °F

    Patchy Fog

  • Monday

    Monday: A 20 percent chance of snow before noon. Patchy fog before 8am. Otherwise, cloudy, with a high near 21. South southwest wind 5 to 10 mph.

    High: 21 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2. South wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Cloudy, with a steady temperature around 26. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 26 °F

    Cloudy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 28. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -12.

    Low: -12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, cloudy, with a low around 7. Calm wind becoming south around 5 mph after midnight.
Monday
A 20 percent chance of snow before noon. Patchy fog before 8am. Otherwise, cloudy, with a high near 21. South southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 2. South wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 28. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of snow after midnight. Cloudy, with a steady temperature around 26. South wind 5 to 10 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a high near 28. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around -12.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly cloudy, with a high near 28.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Cloudy, with a high near 26.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 16.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley IA
 43.19°N 96.28°W (Elev. 1289 ft)
Last Update:
7:23 pm CST Nov 30, 2025
Forecast Valid:
8pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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