River, IL Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for River, IL in one place.
Patchy fog. Clear, with a low around 30. West northwest wind around 0 mph.
Local Weather Overview
This forecast page for River, 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: Nov 7, 2026 5:20 AM CST.
The active forecast window currently covers Nov 7 to Nov 13, 2026 for River, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 5:20 AM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in River
Tuesday looks like the warmest upcoming period in River at 65 degrees F.
Overnight is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph WSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 5:20 AM CST
- Coverage
- 7 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
Patchy fog before 8am. Mostly sunny. High near 51, with temperatures falling to around 44 in the afternoon. West northwest wind 0 to 5 mph, with gusts as high as 15 mph.
Partly cloudy, with a low around 33. West southwest wind 0 to 5 mph, with gusts as high as 15 mph.
Mostly sunny, with a high near 60. West southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 33. West wind 0 to 5 mph, with gusts as high as 15 mph.
Sunny, with a high near 62.
Mostly clear, with a low around 42.
Sunny, with a high near 65.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 58.
A slight chance of rain after midnight. Mostly cloudy, with a low around 36.
A chance of rain. Partly sunny, with a high near 50.
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 32.
A slight chance of rain and snow before noon. Partly sunny, with a high near 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 7
|
Patchy Fog
|
30°F |
0 mph
|
|
Saturday
Nov 7
|
Patchy Fog then Mostly Sunny
|
51°F |
0 to 5 mph
WNW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
33°F |
0 to 5 mph
WSW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
60°F |
5 to 10 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
33°F |
0 to 5 mph
W
|
|
Monday
Nov 9
|
Sunny
|
62°F |
0 to 5 mph
WSW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
42°F |
5 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
65°F |
0 to 5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
35°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
58°F |
0 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy then Slight Chance Rain
|
36°F |
0 to 5 mph
N
|
|
Thursday
Nov 12
|
Chance Rain
|
50°F |
5 to 10 mph
NNE
|
|
Thursday Night
Nov 12
|
Slight Chance Rain then Slight Chance Rain And Snow
|
32°F |
5 mph
N
|
|
Friday
Nov 13
|
Slight Chance Rain And Snow then Partly Sunny
|
47°F |
5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around River.