National Weather Service United States Department of Commerce

Arctic Air Will Move Into U.S. This Week

Arctic air will move back into the central Plains, Great Lake States and Western U.S. this week. Winter Storm Warnings, Winter Weather Advisories and Wind Chill Advisories are in effect in many areas. Recent heavy rains across the lower Mississippi and Tennessee Valleys will shift into the Carolinas Monday. Rivers that came up over the weekend will recede across portions of the South.
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Current Conditions

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2 Miles SW Iron Mountain Lake MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Tonight

Clear

Clear

Low: 23 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 38 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °F

Tuesday

Chance Flurries

Chance
Flurries

High: 31 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 14 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 26 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 19 °F

New Year's
Day

Mostly Sunny

Mostly
Sunny

High: 36 °F

Thursday
Night

Snow/Sleet Chance for Measurable Precipitation 40%

Snow/Sleet

Low: 29 °F

Detailed Forecast

  • Tonight Clear, with a low around 23. Light northeast wind.
  • Monday Mostly sunny, with a high near 38. Northeast wind 3 to 6 mph.
  • Monday Night Partly cloudy, with a low around 26. North wind 6 to 8 mph.
  • Tuesday A chance of flurries before noon. Mostly sunny, with a high near 31. North wind 8 to 10 mph.
  • Tuesday Night Mostly cloudy, with a low around 14. North wind 6 to 8 mph.
  • Wednesday Mostly sunny, with a high near 26.
  • Wednesday Night Partly cloudy, with a low around 19.
  • New Year's Day Mostly sunny, with a high near 36.
  • Thursday Night A chance of snow and sleet. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
  • Friday Rain, snow, and sleet likely. Cloudy, with a high near 36. Chance of precipitation is 60%.
  • Friday Night Rain likely. Cloudy, with a low around 33. Chance of precipitation is 70%.
  • Saturday A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
  • Saturday Night Mostly cloudy, with a low around 27.
  • Sunday Partly sunny, with a high near 37.