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 West Coast through 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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2 Miles NE Johnston IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

Overnight

Areas Drizzle

Areas
Drizzle

Low: 33 °F

Sunday

Areas Drizzle

Areas
Drizzle

High: 42 °F

Sunday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 42 °F

Monday

Rain Chance for Measurable Precipitation 80%

Rain

High: 45 °F

Monday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 31 °F

Tuesday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 36 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 26 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 33 °F

Wednesday
Night

Blustery

Blustery

Low: 23 °F

Detailed Forecast

  • Overnight Areas of drizzle. Areas of fog. Otherwise, cloudy, with a low around 33. South wind around 9 mph.
  • Sunday Areas of drizzle before 2pm. Areas of fog before noon. Otherwise, cloudy, with a high near 42. South wind 9 to 14 mph, with gusts as high as 18 mph.
  • Sunday Night Rain likely, mainly after 3am. Cloudy, with a steady temperature around 42. Breezy, with a south wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Monday Rain. High near 45. South wind 10 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31. West wind 7 to 9 mph.
  • Tuesday A slight chance of snow before noon, then a slight chance of rain and snow. Cloudy, with a high near 36. Breezy. Chance of precipitation is 20%.
  • Tuesday Night A 20 percent chance of snow. Cloudy, with a low around 26. Blustery.
  • Wednesday A 20 percent chance of snow. Mostly cloudy, with a high near 33. Windy.
  • Wednesday Night Mostly cloudy, with a low around 23. Blustery.
  • Christmas Day Partly sunny, with a high near 34.
  • Thursday Night A 30 percent chance of snow. Mostly cloudy, with a low around 24.
  • Friday A 40 percent chance of snow. Cloudy, with a high near 29. Blustery.
  • Friday Night Mostly cloudy, with a low around 14.
  • Saturday Mostly sunny, with a high near 26.