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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4 Miles SE Keyesport IL

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

This
Afternoon

Mostly Sunny

Mostly
Sunny

High: 42 °F

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 35 °F

Monday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 48 °F

Monday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 45 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 50 °F

Tuesday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 33 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 36 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 29 °F

Christmas
Day

Mostly Sunny

Mostly
Sunny

High: 43 °F

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 42. Southeast wind around 8 mph.
  • Tonight Mostly cloudy, with a low around 35. Southeast wind 7 to 9 mph.
  • Monday A 50 percent chance of rain. Cloudy, with a high near 48. South wind 9 to 14 mph, with gusts as high as 21 mph.
  • Monday Night Rain likely. Cloudy, with a low around 45. South wind 8 to 13 mph. Chance of precipitation is 70%.
  • Tuesday Rain likely. Cloudy, with a high near 50. South wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
  • Tuesday Night Rain likely before 4am, then rain and snow likely. Cloudy, with a low around 33. Chance of precipitation is 70%.
  • Wednesday A 50 percent chance of snow. Cloudy, with a high near 36.
  • Wednesday Night Mostly cloudy, with a low around 29.
  • Christmas Day Mostly sunny, with a high near 43.
  • Thursday Night Partly cloudy, with a low around 35.
  • Friday A slight chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 20%.
  • Friday Night A slight chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
  • Saturday Mostly sunny, with a high near 35.