Greene County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Greene County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 90. Northeast wind 1 to 7 mph.
County Weather Overview
This county weather page brings together forecast coverage for Greene County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Greene County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 1:05 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Greene County
Thursday looks like the warmest upcoming period in Greene County at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph SW.
The forecast from Jul 14 through Jul 19 stays mostly dry.
Forecast Details
- Last updated
- Jul 13, 2026 1:05 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 68. Northeast wind 0 to 3 mph.
Sunny, with a high near 91.
Mostly clear, with a low around 70.
Sunny, with a high near 92.
Mostly clear, with a low around 70.
Sunny, with a high near 92.
Mostly clear, with a low around 71.
Sunny, with a high near 92.
Mostly clear, with a low around 70.
Sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
90°F |
1 to 7 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
68°F |
0 to 3 mph
NE
|
|
Wednesday
Jul 15
|
Sunny
|
91°F |
2 mph
NE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
1 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
1 to 5 mph
N
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
70°F |
3 mph
S
|
|
Friday
Jul 17
|
Sunny
|
92°F |
3 to 8 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
71°F |
7 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
92°F |
6 to 9 mph
SW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
70°F |
8 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
6 to 9 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Greene County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Greene County.
Largest mapped city population in this region: 2,269.
