Randolph County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Randolph County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 84.
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
- Oct 8 to Oct 12, 2026
- Latest sync
- Oct 6, 2026 1:29 AM 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 84 degrees F.
Friday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday at about 3 to 9 mph SE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 6, 2026 1:29 AM CDT
- Coverage
- 5 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
Clear, with a low around 54.
Sunny, with a high near 82.
Mostly clear, with a low around 51.
Sunny, with a high near 84.
Mostly clear, with a low around 57.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Partly cloudy, with a low around 59.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 8
|
Sunny
|
84°F |
5 mph
N
|
|
Thursday Night
Oct 8
|
Clear
|
54°F |
3 mph
NE
|
|
Friday
Oct 9
|
Sunny
|
82°F |
2 to 6 mph
E
|
|
Friday Night
Oct 9
|
Mostly Clear
|
51°F |
5 mph
E
|
|
Saturday
Oct 10
|
Sunny
|
84°F |
3 to 9 mph
SE
|
|
Saturday Night
Oct 10
|
Mostly Clear
|
57°F |
6 mph
SE
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers
|
81°F |
3 to 9 mph
SE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
59°F |
6 mph
SE
|
|
Columbus Day
Oct 12
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
2 to 7 mph
NE
|
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.
