Monroe County, IL Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Monroe County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Monroe County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Monroe County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 12:47 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Monroe County
Wednesday looks like the warmest upcoming period in Monroe County at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Sunday at about 3 to 7 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 12:47 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
Showers and thunderstorms likely before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Southwest wind around 3 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
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 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunny, with a high near 86.
Mostly clear, with a low around 68.
Sunny, with a high near 89.
Mostly clear, with a low around 70.
Sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms
|
88°F |
6 mph
SW
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely
|
70°F |
3 mph
SW
|
|
Saturday
Jul 11
|
Showers And Thunderstorms Likely
|
86°F |
5 mph
NW
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
68°F |
3 mph
NE
|
|
Sunday
Jul 12
|
Chance Rain Showers
|
85°F |
3 to 7 mph
NE
|
|
Sunday Night
Jul 12
|
Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
2 to 6 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
86°F |
3 to 7 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
2 to 6 mph
NE
|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
6 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
3 mph
S
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
5 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Monroe County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Monroe County.
Largest mapped city population in this region: 10,627.