Richland County, IL Weather Forecast

County weather hub

51°
F

Chance Showers And Thunderstorms

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

Thursday, October 15, 2026
Wind: 8 to 17 mph W
Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter 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
Oct 15 to Oct 22, 2026
Latest sync
Oct 15, 2026 11:21 PM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
57°F
Friday
Next Low
51°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
20 mph
Friday

Daily Outlook

Today
Oct 15
Chance Showers And Thunderstorms
51 °F
/ 51°F
Wind 8 to 17 mph
Fri
Oct 16
Slight Chance Rain Showers then Mostly Cloudy
57 °F
/ 40°F
Wind 20 mph
Sat
Oct 17
Sunny
60 °F
/ 35°F
Wind 5 to 10 mph
Sun
Oct 18
Areas Of Frost then Sunny
67 °F
/ 39°F
Wind 1 to 6 mph
Mon
Oct 19
Sunny
71 °F
/ 44°F
Wind 1 to 5 mph
Tue
Oct 20
Mostly Sunny
75 °F
/ 46°F
Wind 0 to 3 mph
Wed
Oct 21
Sunny
77 °F
/ 47°F
Wind 0 to 3 mph

This Week in Richland County

Thursday looks like the warmest upcoming period in Richland County at 79 degrees F.

Saturday Night is the coolest period ahead with temperatures near 35 degrees F.

The strongest winds are forecast for Friday at about 20 mph NW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Oct 15, 2026 11:21 PM CDT
Coverage
7 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

Friday
Oct 16
57°F
Slight Chance Rain Showers then Mostly Cloudy
20 mph NW

A slight chance of rain showers before 7am. Mostly cloudy, with a high near 57. Northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Oct 16
40°F
Partly Cloudy
12 to 18 mph NNW

Partly cloudy, with a low around 40. North northwest wind 12 to 18 mph, with gusts as high as 26 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday
Oct 17
60°F
Sunny
5 to 10 mph NNE

Sunny, with a high near 60. North northeast wind 5 to 10 mph, with gusts as high as 17 mph.

Saturday Night
Oct 17
35°F
Clear then Areas Of Frost
0 to 3 mph ENE

Areas of frost after 5am. Clear, with a low around 35. East northeast wind 0 to 3 mph.

Sunday
Oct 18
67°F
Areas Of Frost then Sunny
1 to 6 mph SE

Areas of frost before 8am. Sunny, with a high near 67. Southeast wind 1 to 6 mph.

Sunday Night
Oct 18
39°F
Clear
3 mph SE

Clear, with a low around 39. Southeast wind around 3 mph.

Monday
Oct 19
71°F
Sunny
1 to 5 mph S

Sunny, with a high near 71.

Monday Night
Oct 19
44°F
Partly Cloudy
2 mph ESE

Partly cloudy, with a low around 44.

Tuesday
Oct 20
75°F
Mostly Sunny
0 to 3 mph E

Mostly sunny, with a high near 75.

Tuesday Night
Oct 20
46°F
Mostly Clear
2 mph ENE

Mostly clear, with a low around 46.

Wednesday
Oct 21
77°F
Sunny
0 to 3 mph E

Sunny, with a high near 77.

Wednesday Night
Oct 21
47°F
Clear
2 mph E

Clear, with a low around 47.

Thursday
Oct 22
79°F
Sunny
1 to 5 mph SE

Sunny, with a high near 79.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 15
Chance Showers And Thunderstorms
51°F
8 to 17 mph
W
Friday
Oct 16
Slight Chance Rain Showers then Mostly Cloudy
57°F
20 mph
NW
Friday Night
Oct 16
Partly Cloudy
40°F
12 to 18 mph
NNW
Saturday
Oct 17
Sunny
60°F
5 to 10 mph
NNE
Saturday Night
Oct 17
Clear then Areas Of Frost
35°F
0 to 3 mph
ENE
Sunday
Oct 18
Areas Of Frost then Sunny
67°F
1 to 6 mph
SE
Sunday Night
Oct 18
Clear
39°F
3 mph
SE
Monday
Oct 19
Sunny
71°F
1 to 5 mph
S
Monday Night
Oct 19
Partly Cloudy
44°F
2 mph
ESE
Tuesday
Oct 20
Mostly Sunny
75°F
0 to 3 mph
E
Tuesday Night
Oct 20
Mostly Clear
46°F
2 mph
ENE
Wednesday
Oct 21
Sunny
77°F
0 to 3 mph
E
Wednesday Night
Oct 21
Clear
47°F
2 mph
E
Thursday
Oct 22
Sunny
79°F
1 to 5 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.