News Headlines
Hazardous Weather Conditions
Current conditions at
Logan County Airport (KAAA)
Lat: 40.16°NLon: 89.34°WElev: 591ft.
Mostly Cloudy
78°F
26°C
| Humidity | 100% |
| Wind Speed | E 6 mph |
| Barometer | 30.02 in |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 18 Aug 1:55 am CDT |
Extended Forecast for
Delavan IL
Overnight
Low: 73 °F
Patchy Fog
Monday
High: 91 °F
Slight Chance
T-storms and
Patchy FogMonday Night
Low: 72 °F
Chance
T-stormsTuesday
High: 89 °F
Chance
T-stormsTuesday Night
Low: 68 °F
Chance
T-storms then
Partly CloudyWednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 63 °F
Clear
Detailed Forecast
Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 73. East southeast wind around 6 mph.
Monday
A 20 percent chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. South wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming light and variable.
Tuesday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. West northwest wind around 6 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 63. North northeast wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Delavan IL
40.39°N 89.52°W (Elev. 659 ft)
40.39°N 89.52°W (Elev. 659 ft)
1:40 am CDT Aug 18, 2025
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
