National Weather Service United States Department of Commerce

Rain Spreads Across the Eastern U.S. as Snow Moves Into the Great Lake States

Strong low pressure will move from the south to the Great Lake States Monday and Tuesday. A warm front will spread rain along the eastern seaboard while snow moves into the Great Lake States. Heavy snow is also expected across the northern Rocky Mountains and higher elevations of the Pacific Northwest.
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Current Conditions

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Lemont IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

This
Afternoon

Rain Chance for Measurable Precipitation 100%

Rain

High: 54 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 51 °F

Monday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 47 °FFalling Temperatures

Monday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 24 °F

Tuesday

Cloudy

Cloudy

High: 28 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 20 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 35 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 19 °F

Thanksgiving
Day

Slight Chance Snow

Slight Chc
Snow

High: 23 °F

Detailed Forecast

  • This Afternoon Rain. High near 54. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Rain before midnight, then showers after midnight. Steady temperature around 51. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Monday Rain showers before 9am, then rain and snow showers between 9am and noon, then snow likely after noon. Temperature falling to around 31 by 5pm. Breezy, with a west southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
  • Monday Night Snow showers likely, mainly before midnight. Cloudy, with a low around 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Tuesday Cloudy, with a high near 28. West wind 10 to 15 mph.
  • Tuesday Night Mostly clear, with a low around 20.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 35.
  • Wednesday Night A chance of snow. Cloudy, with a low around 19.
  • Thanksgiving Day A slight chance of snow showers. Partly sunny, with a high near 23.
  • Thursday Night Partly cloudy, with a low around 11.
  • Friday Partly sunny, with a high near 27.
  • Friday Night Mostly cloudy, with a low around 19.
  • Saturday Partly sunny, with a high near 31.