Oregon, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Oregon, IL in one place.
Rain showers before 4pm, then showers and thunderstorms. Cloudy, with a high near 61. South southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Oregon, 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: Oct 15, 2026 4:36 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Oregon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:36 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Oregon
Wednesday looks like the warmest upcoming period in Oregon at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Tonight at about 5 to 20 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:36 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 10pm. Mostly cloudy. Low around 44, with temperatures rising to around 47 overnight. West wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers after 10am. Mostly cloudy. High near 52, with temperatures falling to around 50 in the afternoon. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 7pm, then widespread frost. Mostly clear, with a low around 31. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Widespread frost before 9am. Sunny, with a high near 57. West northwest wind 0 to 5 mph, with gusts as high as 15 mph.
Clear, with a low around 37.
Patchy frost before 7am. Sunny, with a high near 64.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 72.
Mostly clear, with a low around 44.
Mostly sunny, with a high near 73.
Mostly clear, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Showers And Thunderstorms
|
61°F |
5 mph
SSE
|
|
Tonight
Oct 15
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
44°F |
5 to 20 mph
W
|
|
Friday
Oct 16
|
Chance Rain Showers
|
52°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Slight Chance Rain Showers then Widespread Frost
|
31°F |
5 to 15 mph
N
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
0 to 5 mph
WNW
|
|
Saturday Night
Oct 17
|
Clear
|
37°F |
5 mph
SSW
|
|
Sunday
Oct 18
|
Patchy Frost then Sunny
|
64°F |
5 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
40°F |
0 to 10 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
0 to 5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
0 to 5 mph
SSE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
72°F |
0 to 5 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
44°F |
0 mph
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
73°F |
0 to 5 mph
SE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
50°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oregon.
