Kaskaskia, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Kaskaskia, IL in one place.
Showers and thunderstorms. Partly sunny. High near 65, with temperatures falling to around 60 in the afternoon. Northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for 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: Apr 16, 2026 8:21 PM CDT.
The active forecast window currently covers Apr 18 to Apr 23, 2026 for Kaskaskia, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 16, 2026 8:21 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Kaskaskia
Thursday looks like the warmest upcoming period in Kaskaskia at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Saturday at about 15 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:21 PM CDT
- Coverage
- 6 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
A chance of rain showers before 7pm. Mostly clear, with a low around 39. Northwest wind 6 to 14 mph. Chance of precipitation is 40%.
Sunny, with a high near 68.
Clear, with a low around 41.
Sunny, with a high near 74.
Mostly clear, with a low around 51.
Sunny, with a high near 79.
Mostly clear, with a low around 55.
Sunny, with a high near 79.
Mostly clear, with a low around 56.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
65°F |
15 mph
NW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers then Mostly Clear
|
39°F |
6 to 14 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
68°F |
5 to 13 mph
NW
|
|
Sunday Night
Apr 19
|
Clear
|
41°F |
2 to 8 mph
NE
|
|
Monday
Apr 20
|
Sunny
|
74°F |
2 to 8 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
51°F |
8 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
79°F |
7 to 13 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
55°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
79°F |
6 to 9 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
56°F |
8 mph
S
|
|
Thursday
Apr 23
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
80°F |
6 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Kaskaskia.