National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Mostly Cloudy

54°F

12°C

Humidity 72%
Wind Speed N 7 mph
Barometer 29.99 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 13 Oct 7:55 pm CDT
Extended Forecast for

Rock Valley IA

  • Tonight

    Tonight: Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 42. North wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Northeast wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 4am. Increasing clouds, with a low around 45. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers, mainly before 1pm. High near 59. North northeast wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 55. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Areas of frost after 2am. Otherwise, clear, with a low around 33.

    Low: 33 °F

    Clear then
    Areas Frost

  • Saturday

    Saturday: Widespread frost before 7am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 42. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 62. Northeast wind 5 to 10 mph.
Wednesday Night
Showers likely, mainly after 4am. Increasing clouds, with a low around 45. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly before 1pm. High near 59. North northeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday Night
Partly cloudy, with a low around 39. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 55. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Areas of frost after 2am. Otherwise, clear, with a low around 33.
Saturday
Widespread frost before 7am. Otherwise, sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley IA
 43.22°N 96.31°W (Elev. 1230 ft)
Last Update:
6:03 pm CDT Oct 13, 2026
Forecast Valid:
8pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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