National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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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

Today

Breezy

Breezy

High: 7 °C

Tonight

Frost

Frost

Low: -2 °C

Saturday

Morning Frost

Morning
Frost

High: 8 °C

Saturday
Night

Mostly Clear

Mostly
Clear

Low: -1 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 11 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 5 °C

Monday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 18 °C

Monday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 11 °C

Tuesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 16 °C

Detailed Forecast

  • Today Partly sunny, then gradually becoming sunny, with a high near 7. Breezy, with a north wind 24 to 29 km/h increasing to 34 to 39 km/h in the morning. Winds could gust as high as 55 km/h.
  • Tonight Widespread frost after 10pm. Otherwise, clear, with a low around -2. North wind 16 to 26 km/h.
  • Saturday Widespread frost before 10am. Otherwise, sunny, with a high near 8. North wind 10 to 14 km/h.
  • Saturday Night Mostly clear, with a low around -1. Northeast wind 5 to 8 km/h becoming southeast after midnight.
  • Sunday Mostly sunny, with a high near 11. South wind 10 to 18 km/h.
  • Sunday Night Partly cloudy, with a low around 5.
  • Monday A 20 percent chance of showers. Partly sunny, with a high near 18.
  • Monday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11.
  • Tuesday Showers likely and possibly a thunderstorm. Cloudy, with a high near 16. Chance of precipitation is 70%.
  • Tuesday Night Showers likely and possibly a thunderstorm. Cloudy, with a low around 10. Chance of precipitation is 60%.
  • Wednesday A chance of showers. Mostly cloudy, with a high near 15. Chance of precipitation is 30%.
  • Wednesday Night Partly cloudy, with a low around 7.
  • Thursday Sunny, with a high near 16.