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Hazardous Weather Conditions
Current conditions at
Peoria - General Downing-Peoria International Airport (KPIA)
Lat: 40.67°NLon: 89.68°WElev: 659ft.
Fair
72°F
22°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 29.86 in (1010.9 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 13 Oct 8:54 pm CDT |
Extended Forecast for
Delavan IL
Tonight
Low: 66 °F
Slight Chance
T-storms then
Showers
LikelyWednesday

High: 73 °F
Chance
ShowersWednesday Night
Low: 59 °F
Slight Chance
Showers then
Showers
LikelyThursday

High: 74 °F
Showers
Thursday Night

Low: 45 °F
Showers
Likely and
BreezyFriday

High: 59 °F
Mostly Sunny
and BreezyFriday Night

Low: 34 °F
Mostly Clear
then Areas
FrostSaturday

High: 62 °F
Areas Frost
then SunnySaturday Night

Low: 38 °F
Clear
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 66. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms. Cloudy, with a high near 73. North wind 3 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers before 7pm, then showers likely after 3am. Mostly cloudy, with a low around 59. East northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then showers after 1pm. High near 74. East wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 45. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 59. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 34 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 62.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Delavan IL
40.37°N 89.55°W (Elev. 600 ft)
40.37°N 89.55°W (Elev. 600 ft)
8:51 pm CDT Oct 13, 2026
9pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026



