National Weather Service United States Department of Commerce

Unsettled weather moving into the western and central U.S.

Increasing moisture and colder air will filter into the Pacific Northwest Friday and into Saturday. Expect rain to start near the coast and then begin to spread steadily to the south and east into the interior mountains as snow Friday into Saturday. Enough moisture will be pushed eastward to also see snow in the central and southern Rockies and adjacent Plains Friday.
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Hazardous Weather Conditions

Current Conditions

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Saint Louis MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 3 °F

Friday

Cold

Cold

High: 17 °F

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 9 °F

Saturday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 30 °F

Saturday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 26 °F

Sunday

Wintry Mix Chance for Measurable Precipitation 60%

Wintry
Mix

High: 39 °F

Sunday
Night

Snow/Sleet Chance for Measurable Precipitation 30%

Snow/Sleet

Low: 26 °F

Monday

Snow/Sleet Chance for Measurable Precipitation 20%

Snow/Sleet

High: 40 °F

Monday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 35 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 3. North wind 7 to 11 mph.
  • Friday Mostly sunny and cold, with a high near 17. North wind around 7 mph becoming northeast in the afternoon.
  • Friday Night Mostly cloudy, with a low around 9. East wind around 7 mph.
  • Saturday A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 30. East wind 7 to 9 mph.
  • Saturday Night Snow likely. Cloudy, with a low around 26. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.
  • Sunday Snow, freezing rain, and sleet likely before 10am, then rain, freezing rain, and sleet likely between 10am and noon, then rain and sleet likely after noon. Cloudy, with a high near 39. Chance of precipitation is 60%.
  • Sunday Night A chance of snow and sleet. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
  • Monday A slight chance of rain, snow, and sleet. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
  • Monday Night Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
  • Tuesday Rain likely. Cloudy, with a high near 50. Chance of precipitation is 70%.
  • Tuesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 29.
  • Wednesday A slight chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 20%.
  • Wednesday Night A 20 percent chance of snow. Partly cloudy, with a low around 19.
  • Thursday A 20 percent chance of snow. Mostly sunny, with a high near 34.