Hanover, IL Weather Forecast

Local 7-day forecast

79°
F

Slight Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Hanover, IL in one place.

Saturday, August 29, 2026
Wind: 5 to 10 mph S
Saturday

A slight chance of rain showers after 7am. Mostly cloudy, with a high near 79. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Hanover, 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 29, 2026 12:22 AM CDT.

The active forecast window currently covers Aug 29 to Sep 4, 2026 for Hanover, IL.

Page Snapshot

Page focus
city weather
Forecast window
Aug 29 to Sep 4, 2026
Latest sync
Aug 29, 2026 12:22 AM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
79°F
Saturday
Next Low
69°F
Saturday Night
Rain Outlook
13
Periods mentioning precipitation
Windiest
10 to 15 mph
Saturday Night

Daily Outlook

Today
Aug 29
Slight Chance Rain Showers
79 °F
/ 69°F
Wind 5 to 10 mph
Sun
Aug 30
Slight Chance Showers And Thunderstorms
86 °F
/ 72°F
Wind 5 to 10 mph
Mon
Aug 31
Slight Chance Showers And Thunderstorms then Partly Sunny
88 °F
/ 73°F
Wind 5 to 10 mph
Tue
Sep 1
Slight Chance Showers And Thunderstorms
88 °F
/ 72°F
Wind 0 to 5 mph
Wed
Sep 2
Chance Showers And Thunderstorms
88 °F
/ 71°F
Wind 0 to 5 mph
Thu
Sep 3
Slight Chance Showers And Thunderstorms
87 °F
/ 70°F
Wind 0 to 5 mph
Fri
Sep 4
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
87 °F
Wind 5 mph

This Week in Hanover

Monday looks like the warmest upcoming period in Hanover at 88 degrees F.

Saturday Night is the coolest period ahead with temperatures near 69 degrees F.

The strongest winds are forecast for Saturday Night at about 10 to 15 mph S.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated
Aug 29, 2026 12:22 AM CDT
Coverage
7 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 source

Extended Forecast

Saturday Night
Aug 29
69°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
10 to 15 mph S

A slight chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Sunday
Aug 30
86°F
Slight Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday Night
Aug 30
72°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72.

Monday
Aug 31
88°F
Slight Chance Showers And Thunderstorms then Partly Sunny
5 to 10 mph S

A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 88.

Monday Night
Aug 31
73°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
5 mph S

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Tuesday
Sep 1
88°F
Slight Chance Showers And Thunderstorms
0 to 5 mph SW

A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.

Tuesday Night
Sep 1
72°F
Chance Showers And Thunderstorms
0 to 5 mph S

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Wednesday
Sep 2
88°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Wednesday Night
Sep 2
71°F
Mostly Clear then Slight Chance Showers And Thunderstorms
0 to 5 mph S

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.

Thursday
Sep 3
87°F
Slight Chance Showers And Thunderstorms
0 to 5 mph S

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Thursday Night
Sep 3
70°F
Slight Chance Showers And Thunderstorms
5 mph SE

A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Friday
Sep 4
87°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 mph S

A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 29
Slight Chance Rain Showers
79°F
5 to 10 mph
S
Saturday Night
Aug 29
Mostly Cloudy then Slight Chance Showers And Thunderstorms
69°F
10 to 15 mph
S
Sunday
Aug 30
Slight Chance Showers And Thunderstorms
86°F
5 to 10 mph
S
Sunday Night
Aug 30
Mostly Cloudy then Slight Chance Showers And Thunderstorms
72°F
5 to 10 mph
S
Monday
Aug 31
Slight Chance Showers And Thunderstorms then Partly Sunny
88°F
5 to 10 mph
S
Monday Night
Aug 31
Partly Cloudy then Slight Chance Showers And Thunderstorms
73°F
5 mph
S
Tuesday
Sep 1
Slight Chance Showers And Thunderstorms
88°F
0 to 5 mph
SW
Tuesday Night
Sep 1
Chance Showers And Thunderstorms
72°F
0 to 5 mph
S
Wednesday
Sep 2
Chance Showers And Thunderstorms
88°F
0 to 5 mph
SW
Wednesday Night
Sep 2
Mostly Clear then Slight Chance Showers And Thunderstorms
71°F
0 to 5 mph
S
Thursday
Sep 3
Slight Chance Showers And Thunderstorms
87°F
0 to 5 mph
S
Thursday Night
Sep 3
Slight Chance Showers And Thunderstorms
70°F
5 mph
SE
Friday
Sep 4
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
87°F
5 mph
S
Hanover  Ill - Rocky Waters 05
Hanover Ill - Rocky Waters 05 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.