National Weather Service United States Department of Commerce

Winter storm to bring heavy snow from the Plains to New England through Monday

A storm system in the central U.S. will push east setting the stage for a widespread precipitation event across the central and eastern U.S. through Monday. A wide swath of accumulating snow is forecast from Nebraska to New England. Just to the south of this area of snow, freezing rain is possible. Gusty winds and blowing snow could lead to blizzard conditions for parts of the Midwest.
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Current Conditions

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Knoxville IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

This
Afternoon

Snow Chance for Measurable Precipitation 90%

Snow

High: -8 °C

Tonight

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: -19 °C

Monday

Increasing Clouds

Increasing
Clouds

High: -8 °C

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -12 °C

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: -1 °C

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -10 °C

Wednesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: -7 °C

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: -20 °C

Thursday

Mostly Sunny

Mostly
Sunny

High: -9 °C

Detailed Forecast

  • This Afternoon Snow with areas of blowing snow. Steady temperature around -22. Wind chill values as low as -20. Windy, with a north wind 37 to 39 km/h, with gusts as high as 55 km/h. Chance of precipitation is 90%. Total daytime snow accumulation of 8 to 12 centimeters possible.
  • Tonight Snow likely with areas of blowing snow before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around -19. Wind chill values as low as -25. Windy, with a north wind 29 to 39 km/h decreasing to 13 to 23 km/h. Winds could gust as high as 50 km/h. Chance of precipitation is 70%. New snow accumulation of 1 to 2 centimeters possible.
  • Monday Increasing clouds, with a high near -8. Wind chill values as low as -25. Northwest wind 8 to 16 km/h becoming south in the afternoon.
  • Monday Night A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -12. Wind chill values as low as -20. South wind 13 to 18 km/h.
  • Tuesday A 30 percent chance of snow after noon. Partly sunny, with a high near -1. West southwest wind 10 to 14 km/h becoming south in the afternoon. New snow accumulation of 1 to 2 centimeters possible.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around -10.
  • Wednesday A 30 percent chance of snow. Mostly cloudy, with a high near -7.
  • Wednesday Night Partly cloudy, with a low around -20.
  • Thursday Mostly sunny, with a high near -9.
  • Thursday Night Partly cloudy, with a low around -14.
  • Friday Mostly sunny, with a high near -1.
  • Friday Night Partly cloudy, with a low around -5.
  • Saturday Partly sunny, with a high near 4.