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Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Mostly Cloudy

64°F

18°C

Humidity 88%
Wind Speed SE 8 mph
Barometer 30.14 in
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 28 Aug 8:35 am CDT
Extended Forecast for

Rock Valley IA

  • Today

    Today: Isolated showers before 9am, then isolated sprinkles between 9am and 10am. Partly sunny, with a high near 84. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 84 °F

    Isolated
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 67. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 89. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 89 °F

    Chance
    Showers and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. South southeast wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Isolated showers before 9am, then isolated sprinkles between 9am and 10am. Partly sunny, with a high near 84. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 67. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 89. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 71. South southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley IA
 43.22°N 96.31°W (Elev. 1230 ft)
Last Update:
6:33 am CDT Aug 28, 2026
Forecast Valid:
8am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation