Old Kaskaskia, IL Weather Forecast
Local 7-day forecast
Slight Chance Drizzle
Track current conditions, temperature changes, wind, and the full daily outlook for Old Kaskaskia, IL in one place.
A slight chance of drizzle before 1pm. Partly sunny, with a high near 54. North wind 8 to 12 mph.
Local Weather Overview
This forecast page for Old Kaskaskia, 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 6, 2026 1:00 PM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Old Kaskaskia, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 1:00 PM CST
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Old Kaskaskia
Monday looks like the warmest upcoming period in Old Kaskaskia at 71 degrees F.
Tonight is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for This Afternoon at about 8 to 12 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 1:00 PM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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 29. North wind 1 to 6 mph.
Sunny. High near 57, with temperatures falling to around 52 in the afternoon. North wind 0 to 3 mph.
Mostly clear, with a low around 29. West wind around 1 mph.
Sunny. High near 66, with temperatures falling to around 60 in the afternoon. West wind around 3 mph.
Clear, with a low around 36.
Sunny, with a high near 71.
Mostly clear, with a low around 39.
Sunny, with a high near 71.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 68. Chance of precipitation is 20%.
Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Sunny, with a high near 63.
Mostly clear, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 6
|
Slight Chance Drizzle
|
54°F |
8 to 12 mph
N
|
|
Tonight
Nov 6
|
Mostly Clear
|
29°F |
1 to 6 mph
N
|
|
Saturday
Nov 7
|
Sunny
|
57°F |
0 to 3 mph
N
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
29°F |
1 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
66°F |
3 mph
W
|
|
Sunday Night
Nov 8
|
Clear
|
36°F |
2 mph
W
|
|
Monday
Nov 9
|
Sunny
|
71°F |
0 to 5 mph
SW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
39°F |
1 to 5 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
71°F |
3 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
40°F |
1 mph
NW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
68°F |
0 to 3 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
41°F |
3 mph
NW
|
|
Thursday
Nov 12
|
Sunny
|
63°F |
3 to 9 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
36°F |
2 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Old Kaskaskia.