Kaskaskia, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Kaskaskia, IL in one place.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 20%.
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: Jun 9, 2026 2:19 AM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Kaskaskia, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 2:19 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Kaskaskia
Wednesday looks like the warmest upcoming period in Kaskaskia at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Thursday at about 7 to 16 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 2:19 AM CDT
- Coverage
- 7 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 slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 92. Heat index values as high as 106. Southwest wind around 9 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 74. Heat index values as high as 106. Southwest wind around 8 mph.
Sunny, with a high near 93. Heat index values as high as 103. South wind 6 to 14 mph.
Mostly clear, with a low around 74. South wind 7 to 14 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 86. Chance of precipitation is 50%.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 9
|
Slight Chance Showers And Thunderstorms
|
71°F |
7 mph
S
|
|
Tuesday
Jun 9
|
Slight Chance Showers And Thunderstorms
|
92°F |
9 mph
SW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
74°F |
8 mph
SW
|
|
Wednesday
Jun 10
|
Sunny
|
93°F |
6 to 14 mph
S
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
74°F |
7 to 14 mph
S
|
|
Thursday
Jun 11
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
7 to 16 mph
S
|
|
Thursday Night
Jun 11
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
6 to 15 mph
SW
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms then Partly Sunny
|
86°F |
6 mph
NW
|
|
Friday Night
Jun 12
|
Partly Cloudy then Slight Chance Rain Showers
|
64°F |
1 to 5 mph
S
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms
|
88°F |
2 to 6 mph
S
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
67°F |
6 mph
SW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
85°F |
3 to 8 mph
N
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
63°F |
3 to 8 mph
NE
|
|
Monday
Jun 15
|
Chance Rain Showers
|
82°F |
7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Kaskaskia.