Randolph County, IL Weather Forecast
County weather hub
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 rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
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
- May 25 to May 26, 2026
- Latest sync
- May 20, 2026 6:58 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Randolph County
Tuesday looks like the warmest upcoming period in Randolph County at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Tuesday at about 7 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 20, 2026 6:58 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 before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Chance Showers And Thunderstorms
|
80°F |
6 mph
E
|
|
Monday Night
May 25
|
Chance Showers And Thunderstorms
|
63°F |
5 mph
SE
|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms
|
81°F |
7 mph
SE
|
|
Tuesday Night
May 26
|
Chance Showers And Thunderstorms
|
65°F |
7 mph
SE
|
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.
