Randolph County, IL Weather Forecast
County weather hub
Mostly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Randolph County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Randolph County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 7 of 7 mapped cities in Randolph County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 9 to Jul 10, 2026
- Latest sync
- Jul 4, 2026 5:34 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Randolph County
Thursday looks like the warmest upcoming period in Randolph County at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Thursday at about 7 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 4, 2026 5:34 PM CDT
- Coverage
- 2 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
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 9
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
7 mph
SW
|
|
Thursday Night
Jul 9
|
Chance Showers And Thunderstorms
|
72°F |
6 mph
SW
|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms
|
89°F |
7 mph
SW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
70°F |
5 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Randolph County.
Coverage
Forecast coverage currently spans 7 of 7 mapped cities in Randolph County.
Largest mapped city population in this region: 106,197.
