Green River, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Green River, IL in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Green River, 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: Sep 15, 2026 7:58 AM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Green River, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 7:58 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Green River
Saturday looks like the warmest upcoming period in Green River at 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Saturday at about 15 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 7:58 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
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms
|
66°F |
5 mph
E
|
|
Thursday
Sep 17
|
Showers And Thunderstorms
|
82°F |
5 mph
NW
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
64°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
5 to 10 mph
E
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
66°F |
10 mph
SE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
83°F |
15 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
NW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
74°F |
10 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Mostly Sunny
|
72°F |
10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Green River.