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.

Overcast

78°F

26°C

Humidity 93%
Wind Speed W 5 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 Aug 4:54 am CDT
Extended Forecast for

Lane IL

Flood Watch August 16, 05:22am until August 16, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 16, 05:22am until August 16, 10:00am

    NOW until 10:00am Sun

    Flood Watch

  • Overnight

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 85. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 67. Northwest wind 5 to 8 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. North northwest wind 6 to 9 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Mostly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 67 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. West southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 85. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 67. Northwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 81. North northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the morning.
Tuesday Night
Showers likely after 1am. Mostly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lane IL
 40.12°N 88.87°W (Elev. 725 ft)
Last Update:
4:36 am CDT Aug 16, 2026
Forecast Valid:
5am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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