National Weather Service United States Department of Commerce

Severe weather will continue overnight across much of the eastern U.S. and be possible again on Monday from the Gulf Coast to the coastal Carolinas.

The severe weather threat will continue into the overnight hours for a large portion of the eastern U.S. from the Ohio Valley to the Mid-Atlantic and Northeast. On Monday, the severe weather threat area will cover a narrow swath along a sharply defined cold front from the Gulf Coast through the Southeast and up to the coastal Carolinas during the afternoon and evening.
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Current Conditions

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Decatur IL

7 Day Forecast

For More Weather Information:

Lincoln, IL Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 61 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 75 °F

Monday
Night

Decreasing Clouds

Decreasing
Clouds

Low: 56 °F

Tuesday

Sunny

Sunny

High: 78 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 61 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 62 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 61. Northwest wind around 10 mph.
  • Monday Mostly sunny, with a high near 75. North northwest wind 10 to 14 mph, with gusts as high as 20 mph.
  • Monday Night Mostly cloudy, then gradually becoming clear, with a low around 56. North wind 6 to 11 mph becoming light north northwest. Winds could gust as high as 23 mph.
  • Tuesday Sunny, with a high near 78. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
  • Tuesday Night Partly cloudy, with a low around 60. West wind 5 to 8 mph.
  • Wednesday Mostly sunny, with a high near 80.
  • Wednesday Night Partly cloudy, with a low around 61.
  • Thursday Mostly sunny, with a high near 80.
  • Thursday Night Partly cloudy, with a low around 62.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 80.
  • Friday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 80.
  • Saturday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
  • Sunday Mostly sunny, with a high near 79.