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.

A Few Clouds

75°F

24°C

Humidity 78%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jul 10:55 am CDT
Extended Forecast for

Rock Valley IA

  • Today

    Today: Scattered showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 77 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then scattered showers between 9pm and 10pm. Partly cloudy, with a low around 59. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. East wind 5 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. East southeast wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then scattered showers between 9pm and 10pm. Partly cloudy, with a low around 59. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 76. East wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 75. Light east wind becoming southeast 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 56. East southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 81.
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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:
11:00 am CDT Jul 30, 2025
Forecast Valid:
11am CDT Jul 30, 2025-6pm CDT Aug 5, 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