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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Decatur IL

7 Day Forecast

For More Weather Information:

Lincoln, IL Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 32 °F

Tonight

Freezing Rain Likely Chance for Measurable Precipitation 60%

Freezing Rain
Likely

Low: 30 °FRising Temperatures

Saturday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 49 °F

Saturday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 43 °F

Sunday

Rain Chance for Measurable Precipitation 80%

Rain

High: 53 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 38 °F

Monday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 41 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 25 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 32 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 32. Southeast wind 6 to 14 mph, with gusts as high as 18 mph.
  • Tonight A chance of freezing rain before 3am, then rain likely. Mostly cloudy, with a temperature rising to around 39 by 5am. South wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.
  • Saturday A 50 percent chance of rain. Cloudy, with a high near 49. South wind 15 to 18 mph, with gusts as high as 24 mph.
  • Saturday Night Rain likely. Cloudy, with a low around 43. South wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
  • Sunday Rain. High near 53. East southeast wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
  • Sunday Night A 50 percent chance of rain. Cloudy, with a low around 38.
  • Monday A 40 percent chance of rain. Mostly cloudy, with a high near 41. Breezy.
  • Monday Night Mostly cloudy, with a low around 25.
  • Tuesday Partly sunny, with a high near 32.
  • Tuesday Night Partly cloudy, with a low around 21.
  • Wednesday A chance of snow. Partly sunny, with a high near 36.
  • Wednesday Night Mostly cloudy, with a low around 25.
  • Thanksgiving Day Mostly cloudy, with a high near 31.