National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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Marshalltown IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Monday

Rain Chance for Measurable Precipitation 90%

Rain

High: 41 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: 33 °F

Tuesday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 39 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 27 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 35 °F

Wednesday
Night

Blustery

Blustery

Low: 23 °F

Christmas
Day

Partly Sunny

Partly
Sunny

High: 38 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 25 °F

Detailed Forecast

  • Tonight Periods of rain, mainly after 2am. Patchy fog. Low around 37. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
  • Monday Rain. High near 41. Breezy, with a south southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night A chance of rain before 3am, then a slight chance of rain and snow. Cloudy, with a low around 33. South southeast wind 5 to 11 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Tuesday A slight chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 39. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
  • Tuesday Night A 20 percent chance of snow. Cloudy, with a low around 27. Blustery, with a northwest wind 9 to 17 mph, with gusts as high as 24 mph.
  • Wednesday A 20 percent chance of snow. Cloudy, with a high near 35. Breezy.
  • Wednesday Night Mostly cloudy, with a low around 23. Blustery.
  • Christmas Day Partly sunny, with a high near 38.
  • Thursday Night Mostly cloudy, with a low around 25.
  • Friday Mostly cloudy, with a high near 27. Blustery.
  • Friday Night Mostly cloudy, with a low around 15. Blustery.
  • Saturday Mostly sunny, with a high near 24.
  • Saturday Night Mostly cloudy, with a low around 14.
  • Sunday Mostly sunny, with a high near 24.