National Weather Service United States Department of Commerce

Unseasonably cold temperatures in the central and eastern U.S. through Wednesday

A powerful cold front has ushered in unseasonably cold temperatures to the central and eastern U.S. for early this week. Freezing temperatures will dive into the Deep South and to the Mid-Atlantic through Wednesday morning. This will be damaging to sensitive vegetation. Numerous Frost Advisories and Freeze Warnings are in effect.
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Hazardous Weather Conditions

Current Conditions

St. Louis City

Zone Forecast

  • Tonight Mostly clear. Patchy frost after midnight. Low in the mid 30s. Light wind in the evening becoming south around 10 mph after midnight.
  • Wednesday Breezy...warmer. Mostly sunny. Patchy frost in the morning. High around 60. South wind 10 to 20 mph with gusts to around 30 mph.
  • Wednesday Night Partly cloudy. Low around 40. South wind 10 to 15 mph.
  • Thursday Partly sunny in the morning and early afternoon then becoming mostly cloudy. High in the mid 60s. South wind around 10 mph.
  • Thursday Night Mostly cloudy with a 40 percent chance of showers. Low in the mid 40s. Light wind in the evening becoming northwest around 10 mph after midnight.
  • Friday Mostly cloudy in the morning then becoming partly sunny. High around 60.
  • Friday Night Partly cloudy. Low in the mid 40s.
  • Saturday And Saturday Night Partly cloudy. High in the mid 60s. Low around 50.
  • Sunday Mostly cloudy with a 40 percent chance of showers. High around 70.
  • Sunday Night Mostly cloudy with a 50 percent chance of showers. Low in the lower 50s.
  • Monday Partly sunny with a 30 percent chance of showers. High in the upper 60s.
  • Monday Night And Tuesday Mostly clear. Low around 50. High in the lower 70s.