National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation 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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Saint Louis MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 32 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 46 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 35 °F

Monday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 50 °F

Monday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 43 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 46 °F

Tuesday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 32 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 36 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 29 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 32. South wind around 6 mph.
  • Sunday Mostly sunny, with a high near 46. South wind 5 to 10 mph.
  • Sunday Night Mostly cloudy, with a low around 35. South wind around 8 mph.
  • Monday A 50 percent chance of rain. Cloudy, with a high near 50. South wind 8 to 13 mph, with gusts as high as 21 mph.
  • Monday Night Rain likely. Cloudy, with a low around 43. South wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 60%.
  • Tuesday Rain likely. Cloudy, with a high near 46. Chance of precipitation is 60%.
  • Tuesday Night A chance of rain before 8pm, then a chance of rain and snow between 8pm and midnight, then a chance of snow after midnight. Cloudy, with a low around 32. Chance of precipitation is 50%.
  • Wednesday A 30 percent chance of snow. Mostly 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 Mostly cloudy, with a low around 35.
  • Friday A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 30%.
  • Friday Night A slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
  • Saturday Mostly sunny, with a high near 34.