Galena, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Galena, IL in one place.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Galena, 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 27, 2026 6:23 PM CDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Galena, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 6:23 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Galena
Sunday looks like the warmest upcoming period in Galena at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 6:23 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 rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Cloudy then Chance Rain Showers
|
80°F |
5 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
68°F |
10 mph
S
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
88°F |
10 mph
S
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
73°F |
10 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
SW
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
71°F |
5 mph
S
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
SW
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
S
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
S
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Galena.