Andover, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Andover, IL in one place.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Andover, 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: Aug 9, 2026 5:22 PM CDT.
The active forecast window currently covers Aug 11 to Aug 15, 2026 for Andover, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 15, 2026
- Latest sync
- Aug 9, 2026 5:22 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Andover
Tuesday looks like the warmest upcoming period in Andover at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 9, 2026 5:22 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SW
|
|
Tuesday Night
Aug 11
|
Chance Showers And Thunderstorms
|
71°F |
5 mph
E
|
|
Wednesday
Aug 12
|
Showers And Thunderstorms Likely
|
85°F |
5 mph
N
|
|
Wednesday Night
Aug 12
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 mph
NE
|
|
Thursday
Aug 13
|
Chance Rain Showers
|
78°F |
5 mph
NE
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
E
|
|
Friday
Aug 14
|
Chance Showers And Thunderstorms
|
76°F |
5 to 10 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
63°F |
10 mph
E
|
|
Saturday
Aug 15
|
Showers And Thunderstorms Likely
|
78°F |
10 to 15 mph
SE
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Andover.