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.

Overcast and Breezy

34°F

1°C

Humidity 81%
Wind Speed NE 23 mph
Barometer 29.84 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 10 Mar 6:55 am CDT
Extended Forecast for

Rock Valley IA

  • Today

    Today: Mostly cloudy, with a high near 49. Northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after 4am. Low around 29. North northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming south southwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny through mid morning, then becoming cloudy, with a high near 60. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 29. Blustery, with a west southwest wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 29 °F

    Chance Rain
    and Blustery

  • Friday

    Friday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 1am. Cloudy, with a low around 32.

    Low: 32 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Northeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
Snow, possibly mixed with rain, becoming all snow after 4am. Low around 29. North northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming south southwest after midnight.
Thursday
Mostly sunny through mid morning, then becoming cloudy, with a high near 60. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 29. Blustery, with a west southwest wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Friday
Mostly cloudy, with a high near 45.
Friday Night
A 30 percent chance of snow, mainly after 1am. Cloudy, with a low around 32.
Saturday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 55.
Saturday Night
Rain and snow likely. Cloudy, with a low around 21. Blustery. Chance of precipitation is 70%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 31. Blustery.
Sunday Night
Partly cloudy, with a low around 9. Blustery.
Monday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley IA
 43.19°N 96.31°W (Elev. 1280 ft)
Last Update:
5:03 am CDT Mar 10, 2026
Forecast Valid:
7am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation