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

39°F

4°C

Humidity 81%
Wind Speed S 3 mph
Barometer 30.06 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Nov 11:15 am CST
Extended Forecast for

Rock Valley IA

  • Today

    Today: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Increasing clouds, with a low around 39. South southeast wind around 5 mph.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely. Cloudy, with a high near 52. Chance of precipitation is 70%.

    High: 52 °F

    Rain Likely

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 47. Calm wind.
Tonight
Mostly clear, with a low around 32. Calm wind becoming south southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 57. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 30. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of rain after midnight. Increasing clouds, with a low around 39. South southeast wind around 5 mph.
Monday
Rain likely. Cloudy, with a high near 52. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 43.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 16.
Thanksgiving Day
Mostly sunny, with a high near 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:
9:38 am CST Nov 21, 2025
Forecast Valid:
11am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
Forecast Discussion
 
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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