Douglas County, IL Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Douglas County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy, with a low around 58. East wind around 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Douglas County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Douglas County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 2:07 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Douglas County
Thursday looks like the warmest upcoming period in Douglas County at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Saturday at about 7 to 13 mph NE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 2:07 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a high near 80. East wind 3 to 7 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East southeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 61. East northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 82. Northeast wind 7 to 12 mph, with gusts as high as 16 mph.
Partly cloudy, with a low around 58. East northeast wind 7 to 10 mph.
Mostly sunny, with a high near 77.
Mostly cloudy, with a low around 57.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 56.
Sunny, with a high near 76.
Mostly clear, with a low around 54.
Sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 26
|
Mostly Cloudy
|
58°F |
5 mph
E
|
|
Tuesday
May 26
|
Mostly Cloudy
|
80°F |
3 to 7 mph
E
|
|
Tuesday Night
May 26
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
63°F |
2 to 6 mph
ESE
|
|
Wednesday
May 27
|
Chance Showers And Thunderstorms
|
80°F |
5 mph
ENE
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms then Mostly Clear
|
61°F |
6 mph
ENE
|
|
Thursday
May 28
|
Mostly Sunny
|
82°F |
7 to 12 mph
NE
|
|
Thursday Night
May 28
|
Partly Cloudy
|
58°F |
7 to 10 mph
ENE
|
|
Friday
May 29
|
Mostly Sunny
|
77°F |
9 mph
ENE
|
|
Friday Night
May 29
|
Mostly Cloudy
|
57°F |
5 to 8 mph
ENE
|
|
Saturday
May 30
|
Mostly Sunny
|
76°F |
7 to 13 mph
NE
|
|
Saturday Night
May 30
|
Partly Cloudy
|
56°F |
10 mph
ENE
|
|
Sunday
May 31
|
Sunny
|
76°F |
9 to 13 mph
NE
|
|
Sunday Night
May 31
|
Mostly Clear
|
54°F |
6 to 12 mph
ENE
|
|
Monday
Jun 1
|
Sunny
|
78°F |
7 to 10 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Douglas County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Douglas County.
Largest mapped city population in this region: 4,370.