Severe Storms in the Plains; Heavy Rain Potential in the Plains and Southeast

An approaching cold front will produce severe storms, including a few possible tornadoes and flash flooding across the Plains today. A stationary front along the Southeast coast and Florida continues the threat for heavy rainfall and widespread potential for flooding. The heat continues across much of the Southwest, and is building across the Southern Plains once again. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Mostly Cloudy

18°C

64°F

Humidity 94%
Wind Speed S 28 km/h
Barometer 29.83 in
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 17 Aug 6:35 am CDT
Extended Forecast for

Rock Valley IA

  • Today

    Today: Showers and thunderstorms likely, mainly before 9am.  Mostly sunny, with a high near 28. South wind 20 to 25 km/h.  Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    T-storms
    Likely then
    Mostly Sunny

    High: 28 °C

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Some of the storms could be severe.  Low around 17. South southeast wind 10 to 15 km/h becoming northwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Severe
    Thunderstorms

    Low: 17 °C

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 26. North wind 10 to 15 km/h increasing to 15 to 20 km/h in the morning.

    Decreasing
    Clouds

    High: 26 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 15. Calm wind.

    Mostly Clear

    Low: 15 °C

  • Monday

    Monday: Mostly sunny, with a high near 29. South wind 5 to 15 km/h.

    Mostly Sunny

    High: 29 °C

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 20. South southeast wind 5 to 10 km/h.  Chance of precipitation is 30%.

    Partly Cloudy
    then Chance
    T-storms

    Low: 20 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    Mostly Sunny

    High: 30 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 16.

    Partly Cloudy

    Low: 16 °C

  • Wednesday

    Wednesday: Partly sunny, with a high near 25.

    Partly Sunny

    High: 25 °C

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 9am. Mostly sunny, with a high near 28. South wind 20 to 25 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Tonight
Showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Low around 17. South southeast wind 10 to 15 km/h becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 26. North wind 10 to 15 km/h increasing to 15 to 20 km/h in the morning.
Sunday Night
Mostly clear, with a low around 15. Calm wind.
Monday
Mostly sunny, with a high near 29. South wind 5 to 15 km/h.
Monday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 20. South southeast wind 5 to 10 km/h. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 28.
Click Map For Forecast
Point Forecast:
Rock Valley IA
 43.21°N 96.31°W (Elev. 377 m)
6:16 am CDT Aug 17, 2019
6am CDT Aug 17, 2019-6pm CDT Aug 23, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database