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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

79°F

26°C

Humidity 89%
Wind Speed NE 10 mph
Barometer 29.87 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 1 Sep 8:35 pm CDT
Extended Forecast for

Rock Valley IA

Severe T-storm Watch September 1, 08:44pm until September 1, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch September 1, 08:44pm until September 1, 11:00pm

    NOW until 11:00pm Tue

    Severe T-storm Watch

  • Tonight

    Low: 64 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 2am. Some of the storms could be severe. Low around 64. East wind 5 to 10 mph becoming north northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 68. East wind around 5 mph.
Thursday
Sunny, with a high near 90. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 70. South wind around 5 mph.
Friday
Sunny, with a high near 90. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Labor Day
Partly sunny, with a high near 83.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 84.
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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:
8:18 pm CDT Sep 1, 2026
Forecast Valid:
8pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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