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

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Fair

57°F

14°C

Humidity 36%
Wind Speed W 14 mph
Barometer 30.26 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 3 Nov 12:15 pm CST
Extended Forecast for

Rock Valley IA

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 61. West northwest wind 5 to 10 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 39 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 65. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. West southwest wind around 5 mph becoming north northwest after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. North northwest wind around 5 mph becoming east northeast in the afternoon.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Light and variable wind becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 61. West northwest wind 5 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
Sunny, with a high near 65. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. West southwest wind around 5 mph becoming north northwest after midnight.
Wednesday
Sunny, with a high near 56. North northwest wind around 5 mph becoming east northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 37. Light and variable wind becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Thursday
Mostly cloudy, with a high near 61.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 43.
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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:
10:18 am CST Nov 3, 2025
Forecast Valid:
12pm CST Nov 3, 2025-6pm CST Nov 9, 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