Cumberland County, IL Weather Forecast
County weather hub
Slight Chance Rain Showers then Cloudy
Compare major city weather across Cumberland County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers before 11am. Cloudy, with a high near 64. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Cumberland County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Cumberland County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 20 to May 26, 2026
- Latest sync
- May 19, 2026 8:34 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cumberland County
Tuesday looks like the warmest upcoming period in Cumberland County at 82 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 13 mph NNE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 19, 2026 8:34 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 sourceExtended Forecast
Mostly cloudy, with a low around 48. Northeast wind around 10 mph, with gusts as high as 18 mph.
Partly sunny, with a high near 68. East northeast wind around 12 mph, with gusts as high as 21 mph.
A chance of rain showers after 1am. Mostly cloudy, with a low around 54. East northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 70. East wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 58. South southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Mostly cloudy, with a high near 77.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 20
|
Slight Chance Rain Showers then Cloudy
|
64°F |
9 to 13 mph
NNE
|
|
Wednesday Night
May 20
|
Mostly Cloudy
|
48°F |
10 mph
NE
|
|
Thursday
May 21
|
Partly Sunny
|
68°F |
12 mph
ENE
|
|
Thursday Night
May 21
|
Mostly Cloudy then Chance Rain Showers
|
54°F |
10 mph
ENE
|
|
Friday
May 22
|
Showers And Thunderstorms
|
70°F |
9 mph
E
|
|
Friday Night
May 22
|
Showers And Thunderstorms Likely
|
58°F |
5 to 8 mph
SSW
|
|
Saturday
May 23
|
Mostly Cloudy
|
77°F |
6 mph
WSW
|
|
Saturday Night
May 23
|
Chance Showers And Thunderstorms
|
59°F |
1 to 6 mph
E
|
|
Sunday
May 24
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
78°F |
3 mph
W
|
|
Sunday Night
May 24
|
Chance Showers And Thunderstorms
|
61°F |
3 mph
ENE
|
|
Memorial Day
May 25
|
Chance Rain Showers
|
79°F |
7 mph
E
|
|
Monday Night
May 25
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
63°F |
6 mph
ESE
|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms
|
82°F |
5 to 8 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Cumberland County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Cumberland County.
Largest mapped city population in this region: 1,585.
