Richland County, IL Weather Forecast

County weather hub

83°
F

Chance Rain Showers

Compare major city weather across Richland County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Wednesday, April 15, 2026
Wind: 10 to 16 mph SSW
Wednesday

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Richland County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 1 of 1 mapped cities in Richland County.

Page Snapshot

Page focus
county weather
Forecast window
Apr 15 to Apr 20, 2026
Latest sync
Apr 13, 2026 11:27 PM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
83°F
Wednesday
Next Low
64°F
Wednesday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
13 to 17 mph
Saturday

Daily Outlook

Today
Apr 15
Chance Rain Showers
83 °F
/ 64°F
Wind 10 to 16 mph
Thu
Apr 16
Showers And Thunderstorms
77 °F
/ 60°F
Wind 10 to 15 mph
Fri
Apr 17
Mostly Sunny
86 °F
/ 66°F
Wind 5 to 12 mph
Sat
Apr 18
Showers And Thunderstorms Likely
78 °F
/ 43°F
Wind 13 to 17 mph
Sun
Apr 19
Slight Chance Rain Showers then Mostly Sunny
61 °F
/ 39°F
Wind 9 to 13 mph
Mon
Apr 20
Sunny
66 °F
Wind 6 to 9 mph

This Week in Richland County

Friday looks like the warmest upcoming period in Richland County at 86 degrees F.

Sunday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Saturday at about 13 to 17 mph SW.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Apr 13, 2026 11:27 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
ILX
Radar station
KVWX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Apr 15
64°F
Showers And Thunderstorms Likely
12 mph SSW

Showers and thunderstorms likely. Mostly cloudy, with a low around 64. South southwest wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday
Apr 16
77°F
Showers And Thunderstorms
10 to 15 mph SW

Showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night
Apr 16
60°F
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 to 10 mph SW

Showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

Friday
Apr 17
86°F
Mostly Sunny
5 to 12 mph SSW

Mostly sunny, with a high near 86.

Friday Night
Apr 17
66°F
Slight Chance Showers And Thunderstorms
12 mph S

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

Saturday
Apr 18
78°F
Showers And Thunderstorms Likely
13 to 17 mph SW

Showers and thunderstorms likely. Partly sunny, with a high near 78.

Saturday Night
Apr 18
43°F
Showers And Thunderstorms Likely
9 to 13 mph WNW

Showers and thunderstorms likely. Mostly cloudy, with a low around 43.

Sunday
Apr 19
61°F
Slight Chance Rain Showers then Mostly Sunny
9 to 13 mph WNW

A slight chance of rain showers before 7am. Mostly sunny, with a high near 61.

Sunday Night
Apr 19
39°F
Mostly Clear
5 to 8 mph NNW

Mostly clear, with a low around 39.

Monday
Apr 20
66°F
Sunny
6 to 9 mph SE

Sunny, with a high near 66.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Apr 15
Chance Rain Showers
83°F
10 to 16 mph
SSW
Wednesday Night
Apr 15
Showers And Thunderstorms Likely
64°F
12 mph
SSW
Thursday
Apr 16
Showers And Thunderstorms
77°F
10 to 15 mph
SW
Thursday Night
Apr 16
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
60°F
5 to 10 mph
SW
Friday
Apr 17
Mostly Sunny
86°F
5 to 12 mph
SSW
Friday Night
Apr 17
Slight Chance Showers And Thunderstorms
66°F
12 mph
S
Saturday
Apr 18
Showers And Thunderstorms Likely
78°F
13 to 17 mph
SW
Saturday Night
Apr 18
Showers And Thunderstorms Likely
43°F
9 to 13 mph
WNW
Sunday
Apr 19
Slight Chance Rain Showers then Mostly Sunny
61°F
9 to 13 mph
WNW
Sunday Night
Apr 19
Mostly Clear
39°F
5 to 8 mph
NNW
Monday
Apr 20
Sunny
66°F
6 to 9 mph
SE

Major City Forecasts

Live forecast snapshots for major cities across Richland County.

Coverage

Tracked cities
1
Coverage
100%

Forecast coverage currently spans 1 of 1 mapped cities in Richland County.

Largest mapped city population in this region: 8,667.

Richland County Courthouse in Olney
Richland County Courthouse in Olney image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.