National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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Waterloo IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

Today

Rain Chance for Measurable Precipitation 80%

Rain

High: 54 °F

Tonight

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 26 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 28 °FFalling Temperatures

Monday
Night

Chance Flurries

Chance
Flurries

Low: 15 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 27 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 20 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 14 °F

Thanksgiving
Day

Partly Sunny

Partly
Sunny

High: 22 °F

Detailed Forecast

  • Today Rain. High near 54. South wind 6 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Periods of rain and snow, becoming all snow after 3am. Low around 26. Windy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Monday A 50 percent chance of snow. Cloudy, with a temperature falling to around 25 by 9am. Windy, with a west northwest wind 21 to 24 mph, with gusts as high as 32 mph. New snow accumulation of less than one inch possible.
  • Monday Night Scattered flurries. Mostly cloudy, with a low around 15. Wind chill values as low as zero. Windy, with a west northwest wind 13 to 21 mph, with gusts as high as 28 mph.
  • Tuesday Mostly sunny, with a high near 27. West northwest wind 7 to 13 mph becoming south southwest in the afternoon.
  • Tuesday Night A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 20.
  • Wednesday A 30 percent chance of snow. Mostly cloudy, with a high near 33.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 14.
  • Thanksgiving Day Partly sunny, with a high near 22.
  • Thursday Night Partly cloudy, with a low around 8.
  • Friday Partly sunny, with a high near 24.
  • Friday Night Partly cloudy, with a low around 15.
  • Saturday Partly sunny, with a high near 26.