National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog

52°F

11°C

Humidity 97%
Wind Speed Calm
Barometer 30.05 in (1017.7 mb)
Dewpoint 51°F (11°C)
Visibility 0.25 mi
Last update 5 Mar 9:54 pm CST
Extended Forecast for

3 Miles SSW Findlay IL

Dense Fog Advisory March 5, 10:45pm until March 6, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 10:45pm until March 6, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 52 °F

    Dense Fog
    then Chance
    Showers and
    Dense Fog

  • Friday

    Friday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 5pm. Partly sunny, with a high near 75. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm, mainly after midnight. Low around 60. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Mostly Cloudy
    then Showers

  • Saturday

    Saturday: Showers likely before noon. Mostly cloudy, with a high near 66. South southwest wind 11 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 5 to 11 mph, with gusts as high as 16 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 3am. Widespread dense fog. Otherwise, mostly cloudy, with a low around 52. Calm wind becoming south southeast 5 to 8 mph after midnight. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 5pm. Partly sunny, with a high near 75. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm, mainly after midnight. Low around 60. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely before noon. Mostly cloudy, with a high near 66. South southwest wind 11 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 37. West northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 61. Southwest wind 5 to 11 mph, with gusts as high as 16 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 73.
Monday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 56.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 73. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 53.
Wednesday
Showers likely. Mostly cloudy, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Findlay IL
 39.48°N 88.79°W (Elev. 669 ft)
Last Update:
9:51 pm CST Mar 5, 2026
Forecast Valid:
10pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation