National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region on Friday and into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
Read More...

Current Conditions

En Español

Share |

Saint Peters MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

This
Afternoon

Breezy

Breezy

High: 45 °F

Tonight

Frost

Frost

Low: 25 °F

Saturday

Morning Frost

Morning
Frost

High: 46 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 29 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 52 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 39 °F

Monday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 63 °F

Monday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 50 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 59 °F

Detailed Forecast

  • This Afternoon Sunny, with a high near 45. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 33 mph.
  • Tonight Widespread frost after 10pm. Otherwise, clear, with a low around 25. North wind 8 to 16 mph.
  • Saturday Widespread frost before 10am. Otherwise, sunny, with a high near 46. North wind 5 to 7 mph.
  • Saturday Night Partly cloudy, with a low around 29. Light and variable wind becoming southeast around 6 mph after midnight.
  • Sunday Mostly sunny, with a high near 52. South wind 7 to 11 mph.
  • Sunday Night Partly cloudy, with a low around 39.
  • Monday A 20 percent chance of showers. Partly sunny, with a high near 63.
  • Monday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
  • Tuesday Showers likely and possibly a thunderstorm. Cloudy, with a high near 59. Chance of precipitation is 70%.
  • Tuesday Night Showers likely and possibly a thunderstorm. Cloudy, with a low around 47. Chance of precipitation is 60%.
  • Wednesday A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
  • Wednesday Night Partly cloudy, with a low around 43.
  • Thursday Sunny, with a high near 59.