Delavan, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Delavan, IL in one place.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms between 8am and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. South southeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Delavan, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 9:06 AM CDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for Delavan, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 9:06 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Delavan
Wednesday looks like the warmest upcoming period in Delavan at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 16 mph SSW.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:06 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 1am, then a chance of showers and thunderstorms between 1am and 3am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Partly sunny, with a high near 90. West southwest wind 5 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 72. South southwest wind 5 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Sunny, with a high near 93. South southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 71. South southwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 90. Southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 65. Chance of precipitation is 70%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 88.
A chance of rain showers after 7pm. Mostly clear, with a low around 64.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 64.
Rain showers likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 8
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
82°F |
9 to 13 mph
SSE
|
|
Tonight
Jun 8
|
Showers And Thunderstorms Likely
|
70°F |
5 to 10 mph
SSW
|
|
Tuesday
Jun 9
|
Partly Sunny
|
90°F |
5 to 9 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
72°F |
5 to 8 mph
SSW
|
|
Wednesday
Jun 10
|
Slight Chance Rain Showers then Sunny
|
93°F |
7 to 16 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
71°F |
8 to 16 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
90°F |
8 to 14 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
65°F |
5 to 12 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers then Mostly Sunny
|
88°F |
3 to 8 mph
W
|
|
Friday Night
Jun 12
|
Chance Rain Showers
|
64°F |
2 to 6 mph
SSW
|
|
Saturday
Jun 13
|
Chance Rain Showers
|
87°F |
5 to 9 mph
SSW
|
|
Saturday Night
Jun 13
|
Showers And Thunderstorms Likely
|
64°F |
7 mph
SW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
82°F |
6 to 9 mph
NNW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
60°F |
3 to 8 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Delavan.