National Weather Service United States Department of Commerce

Winter weather forecast for Rockies and southern Plains

A developing storm system will bring snow to parts of the Rockies and southern Plains on Friday, which will move into the central U.S. on Saturday. Freezing rain is also forecast from Texas to the mid-Mississippi Valley and into the Carolinas. Meanwhile, temperatures will be 20-40 degrees below normal across parts of the central and southern U.S. on Friday.
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Current Conditions

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Lemont IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: -2 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 24 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 16 °F

Sunday

Snow Chance for Measurable Precipitation 80%

Snow

High: 31 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 11 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 29 °F

Monday
Night

Wintry Mix Chance for Measurable Precipitation 40%

Wintry
Mix

Low: 22 °F

Tuesday

Wintry Mix

Wintry
Mix

High: 39 °F

Tuesday
Night

Chance Rain/Snow

Chance
Rain/Snow

Low: 20 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around -2. West southwest wind around 5 mph becoming calm in the evening.
  • Saturday Mostly sunny, with a high near 24. Wind chill values as low as -4. Calm wind becoming south around 5 mph in the morning.
  • Saturday Night A 50 percent chance of snow. Cloudy, with a low around 16. South southeast wind around 5 mph becoming calm after midnight.
  • Sunday Snow. High near 31. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Sunday Night Mostly cloudy, with a low around 11. West northwest wind 5 to 10 mph.
  • Monday Mostly sunny, with a high near 29.
  • Monday Night A chance of snow before midnight, then a chance of snow, freezing rain, and sleet. Cloudy, with a low around 22. Chance of precipitation is 40%.
  • Tuesday Rain, snow, freezing rain, and sleet. Cloudy, with a high near 39.
  • Tuesday Night A chance of rain and snow. Cloudy, with a low around 20.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 27.
  • Wednesday Night Mostly cloudy, with a low around 4.
  • Thursday Mostly sunny, with a high near 20.
  • Thursday Night Partly cloudy, with a low around 10.
  • Friday Mostly sunny, with a high near 35.