National Weather Service United States Department of Commerce

Slight Risk of Severe Thunderstorms is Forecast This Afternoon through Tonight

A few severe storms are possible late this afternoon, this evening and tonight across parts of the northern High Plains. Other strong storms are possible today in a corridor arcing from the central Gulf Coast into the Tennessee Valley, and across lower Michigan and adjacent portions of the Great Lakes region. Heavy rain and local flash flooding is possible Gulf Coast and Lower Mississippi Valley.
Read More...

Current Conditions

En Español

Share |

Knoxville IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

This
Afternoon

Mostly Sunny

Mostly
Sunny

High: 27 °C

Tonight

Mostly Clear

Mostly
Clear

Low: 18 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 31 °C

Sunday
Night

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

Low: 21 °C

Labor
Day

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 28 °C

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 17 °C

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 27 °C

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 17 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 29 °C

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 27. West northwest wind around 8 km/h.
  • Tonight Mostly clear, with a low around 18. West wind 5 to 8 km/h becoming calm.
  • Sunday Mostly sunny, with a high near 31. South wind 8 to 13 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.
  • Sunday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 21. South southeast wind 18 to 24 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
  • Labor Day A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 28. South southwest wind 13 to 18 km/h becoming west in the afternoon. New rainfall amounts between 2.5 and 5 mm possible.
  • Monday Night Partly cloudy, with a low around 17.
  • Tuesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 27.
  • Tuesday Night A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 17.
  • Wednesday Mostly sunny, with a high near 29.
  • Wednesday Night Partly cloudy, with a low around 22.
  • Thursday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
  • Thursday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.
  • Friday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.