Delavan, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Delavan, IL in one place.
Sunny. High near 64, with temperatures falling to around 58 in the afternoon. Southwest wind around 7 mph.
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: Nov 9, 2026 3:30 PM CST.
The active forecast window currently covers Nov 9 to Nov 15, 2026 for Delavan, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 3:30 PM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Delavan
Tuesday looks like the warmest upcoming period in Delavan at 65 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Thursday at about 12 to 15 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 3:30 PM CST
- Coverage
- 8 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
Mostly clear, with a low around 45. West southwest wind around 6 mph.
Sunny. High near 65, with temperatures falling to around 59 in the afternoon. Northwest wind around 2 mph.
Partly cloudy, with a low around 42. East southeast wind 0 to 3 mph.
A chance of rain showers. Partly sunny. High near 61, with temperatures falling to around 54 in the afternoon. West southwest wind 3 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 38. North northwest wind around 13 mph, with gusts as high as 21 mph.
Partly sunny, with a high near 48. North northwest wind 12 to 15 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 29.
Mostly sunny, with a high near 45.
Mostly clear, with a low around 25.
Sunny, with a high near 49.
Mostly clear, with a low around 30.
A slight chance of rain. Sunny, with a high near 54.
Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 9
|
Sunny
|
64°F |
7 mph
SW
|
|
Tonight
Nov 9
|
Mostly Clear
|
45°F |
6 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
65°F |
2 mph
NW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
42°F |
0 to 3 mph
ESE
|
|
Veterans Day
Nov 11
|
Chance Rain Showers
|
61°F |
3 to 13 mph
WSW
|
|
Wednesday Night
Nov 11
|
Slight Chance Rain Showers then Mostly Cloudy
|
38°F |
13 mph
NNW
|
|
Thursday
Nov 12
|
Partly Sunny
|
48°F |
12 to 15 mph
NNW
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
29°F |
8 to 14 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
45°F |
7 to 12 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
25°F |
1 to 5 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
49°F |
3 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
30°F |
3 mph
E
|
|
Sunday
Nov 15
|
Slight Chance Light Rain
|
54°F |
3 to 8 mph
SSE
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
37°F |
6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Delavan.