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

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 5 °C

Friday

Breezy

Breezy

High: 8 °C

Friday
Night

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: 12 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 6 °C

Monday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 17 °C

Monday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 11 °C

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 5. North wind 8 to 16 km/h.
  • Friday Mostly cloudy, then gradually becoming sunny, with a high near 8. Breezy, with a north wind 26 to 32 km/h, with gusts as high as 48 km/h.
  • Friday Night Widespread frost after 11pm. Otherwise, mostly clear, with a low around -2. North wind 16 to 23 km/h.
  • Saturday Widespread frost before 11am. Otherwise, sunny, with a high near 8. North wind 11 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 12.
  • Sunday Night Partly cloudy, with a low around 6.
  • Monday A 20 percent chance of showers. Partly sunny, with a high near 17.
  • Monday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11.
  • Tuesday Showers and thunderstorms likely. Cloudy, with a high near 16. Chance of precipitation is 70%.
  • Tuesday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 8. Chance of precipitation is 70%.
  • Wednesday A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 16.
  • Wednesday Night A 20 percent chance of showers. Partly cloudy, with a low around 6.
  • Thursday Sunny, with a high near 17.