Andover, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Andover, IL in one place.
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 20%.
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: Jun 8, 2026 4:34 AM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Andover, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 4:34 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Andover
Wednesday looks like the warmest upcoming period in Andover at 92 degrees F.
Thursday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 20 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 4:34 AM CDT
- Coverage
- 6 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 after 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 92.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly cloudy, with a low around 62. Chance of precipitation is 70%.
A slight chance of rain showers. Sunny, with a high near 86.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Showers and thunderstorms likely. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
W
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
S
|
|
Wednesday
Jun 10
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
92°F |
10 to 20 mph
SW
|
|
Wednesday Night
Jun 10
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
69°F |
10 to 20 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
88°F |
10 to 15 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
62°F |
5 to 15 mph
W
|
|
Friday
Jun 12
|
Slight Chance Rain Showers
|
86°F |
5 to 10 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SW
|
|
Saturday
Jun 13
|
Chance Rain Showers
|
85°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 13
|
Showers And Thunderstorms Likely
|
62°F |
5 to 10 mph
W
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Andover.