National Weather Service United States Department of Commerce

Severe weather is expected across the central and southern Plains on Wednesday

The Storm Prediction Center is forecasting severe weather for Wednesday across much of the central and southern Plains. Primary threats will be large hail and damaging winds. There could also be small tornado risk farther south along the dryline.
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Hazardous Weather Conditions

Current Conditions

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Knoxville IA

7 Day Forecast

Des Moines, IA

NWS Weather Forecast Office

This
Afternoon

Showers Chance for Measurable Precipitation 90%

Showers

High: 15 °C

Tonight

Thunderstorms Chance for Measurable Precipitation 100%

Thunderstorms

Low: 12 °C

Thursday

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

High: 18 °C

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 7 °C

Friday

Breezy

Breezy

High: 22 °C

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 7 °C

Saturday

Mostly Sunny

Mostly
Sunny

High: 18 °C

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 11 °C

Sunday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 14 °C

Detailed Forecast

  • This Afternoon Showers, mainly before 5pm. High near 15. Windy, with a southeast wind around 37 km/h, with gusts as high as 48 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2.5 mm possible.
  • Tonight Showers and thunderstorms, mainly after 1am. Low around 12. Windy, with a southeast wind 29 to 34 km/h, with gusts as high as 47 km/h. Chance of precipitation is 100%. New rainfall amounts between 7.5 mm and 1 cm possible.
  • Thursday Showers and thunderstorms, mainly before 1pm. High near 18. Breezy, with a south southeast wind 23 to 29 km/h becoming northwest in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.
  • Thursday Night Mostly clear, with a low around 7. West northwest wind 14 to 24 km/h becoming southwest after midnight. Winds could gust as high as 34 km/h.
  • Friday Mostly sunny, with a high near 22. Breezy, with a west southwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 37 km/h.
  • Friday Night Partly cloudy, with a low around 7.
  • Saturday Mostly sunny, with a high near 18.
  • Saturday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11. Breezy.
  • Sunday Showers and thunderstorms likely. Mostly cloudy, with a high near 14. Windy. Chance of precipitation is 60%.
  • Sunday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 8. Breezy. Chance of precipitation is 60%.
  • Monday A chance of showers. Mostly cloudy, with a high near 14. Chance of precipitation is 50%.
  • Monday Night A 40 percent chance of rain. Mostly cloudy, with a low around 4. Breezy.
  • Tuesday A 40 percent chance of rain. Cloudy, with a high near 11. Breezy.

 

Additional Forecasts and Information

Zone Area Forecast for Marion County, IA