National Weather Service United States Department of Commerce

Severe thunderstorms and heavy rain expected over parts of the mid-Mississippi and lower Ohio Valleys Saturday and Saturday night

The NWS Storm Prediction Center has issued a Moderate Risk of severe thunderstorms for Saturday and Saturday night across parts of the middle Mississippi and lower Ohio Valleys. Very large hail, strong wind gusts and a few tornadoes are expected in this area. Also, these storms could produce heavy rain that could lead to flash flooding, especially from central Indiana to southern Ohio.
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Hazardous Weather Conditions

Current Conditions

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Decatur IL

7 Day Forecast

For More Weather Information:

Lincoln, IL Local Forecast Office

This
Afternoon

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 91 °F

Tonight

Severe Thunderstorms Chance for Measurable Precipitation 70%

Severe
Thunderstorms

Low: 72 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 86 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 62 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 75 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 56 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 77 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 58 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Detailed Forecast

  • This Afternoon A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Heat index values as high as 101. West southwest wind around 7 mph, with gusts as high as 16 mph.
  • Tonight Showers and thunderstorms likely, mainly between 7pm and 4am. Some of the storms could be severe. Mostly cloudy, with a low around 72. West wind 5 to 8 mph becoming south in the evening. Chance of precipitation is 70%.
  • Sunday A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86. West northwest wind 7 to 17 mph, with gusts as high as 23 mph.
  • Sunday Night Mostly clear, with a low around 62. West northwest wind 10 to 13 mph, with gusts as high as 16 mph.
  • Monday Mostly sunny, with a high near 75. North wind 10 to 14 mph, with gusts as high as 18 mph.
  • Monday Night Mostly clear, with a low around 56.
  • Tuesday Mostly sunny, with a high near 77.
  • Tuesday Night Partly cloudy, with a low around 58.
  • Wednesday Mostly sunny, with a high near 80.
  • Wednesday Night Partly cloudy, with a low around 61.
  • Thursday Mostly sunny, with a high near 81.
  • Thursday Night Partly cloudy, with a low around 61.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 80.