National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Current Conditions

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Arnold MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 23 °F

Friday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 41 °F

Friday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 39 °FRising Temperatures

Saturday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 57 °F

Saturday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 45 °F

Sunday

Showers Chance for Measurable Precipitation 90%

Showers

High: 56 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 39 °F

Monday

Mostly Cloudy

Mostly
Cloudy

High: 46 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 30 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 23. Calm wind becoming east around 5 mph after midnight.
  • Friday A 30 percent chance of showers, mainly after 5pm. Increasing clouds, with a high near 41. Southeast wind 3 to 8 mph.
  • Friday Night A 50 percent chance of rain. Cloudy, with a temperature rising to around 46 by 5am. South wind 6 to 8 mph.
  • Saturday A 50 percent chance of showers. Cloudy, with a high near 57. South wind 7 to 11 mph, with gusts as high as 21 mph.
  • Saturday Night Showers likely and possibly a thunderstorm. Cloudy, with a low around 45. South wind 6 to 8 mph. Chance of precipitation is 70%.
  • Sunday Showers. High near 56. Chance of precipitation is 90%.
  • Sunday Night A 50 percent chance of showers. Mostly cloudy, with a low around 39.
  • Monday Mostly cloudy, with a high near 46.
  • Monday Night Mostly cloudy, with a low around 30.
  • Tuesday Mostly sunny, with a high near 41.
  • Tuesday Night Partly cloudy, with a low around 25.
  • Wednesday Mostly sunny, with a high near 42.
  • Wednesday Night Mostly cloudy, with a low around 30.
  • Thanksgiving Day Partly sunny, with a high near 40.