Douglas, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Douglas, IL in one place.
Mostly sunny, with a high near 75. North wind 5 to 10 mph.
Local Weather Overview
This forecast page for Douglas, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 18, 2026 2:41 AM CDT.
The active forecast window currently covers Aug 19 to Aug 24, 2026 for Douglas, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 19 to Aug 24, 2026
- Latest sync
- Aug 18, 2026 2:41 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Douglas
Friday looks like the warmest upcoming period in Douglas at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 18, 2026 2:41 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 65. East northeast wind 0 to 5 mph, with gusts as high as 10 mph.
Sunny, with a high near 77.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 78.
A chance of rain showers after 7pm. Partly cloudy, with a low around 65.
A chance of rain showers. Mostly sunny, with a high near 78.
A chance of rain showers before 1am. Partly cloudy, with a low around 63.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 19
|
Mostly Sunny
|
75°F |
5 to 10 mph
N
|
|
Wednesday Night
Aug 19
|
Mostly Clear
|
65°F |
0 to 5 mph
ENE
|
|
Thursday
Aug 20
|
Sunny
|
77°F |
0 to 5 mph
E
|
|
Thursday Night
Aug 20
|
Mostly Clear
|
64°F |
5 mph
SSE
|
|
Friday
Aug 21
|
Mostly Sunny
|
78°F |
5 to 10 mph
SW
|
|
Friday Night
Aug 21
|
Chance Rain Showers
|
65°F |
5 mph
WSW
|
|
Saturday
Aug 22
|
Chance Rain Showers
|
78°F |
5 to 10 mph
WNW
|
|
Saturday Night
Aug 22
|
Chance Rain Showers
|
63°F |
5 mph
NNW
|
|
Sunday
Aug 23
|
Mostly Sunny
|
74°F |
5 to 10 mph
N
|
|
Sunday Night
Aug 23
|
Partly Cloudy
|
62°F |
5 to 10 mph
N
|
|
Monday
Aug 24
|
Mostly Sunny
|
75°F |
5 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Douglas.