Ellisville, IL Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Ellisville, IL in one place.
A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 90. Heat index values as high as 103. West southwest wind 2 to 7 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Ellisville, 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 8, 2026 11:00 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Ellisville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 11:00 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ellisville
Wednesday looks like the warmest upcoming period in Ellisville at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 20 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 11:00 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
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 1am. Partly cloudy, with a low around 71. Heat index values as high as 102. Southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. South southwest wind 8 to 20 mph, with gusts as high as 29 mph.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 69. Southwest wind 7 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind 7 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. West wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunny, with a high near 85.
Clear, with a low around 62.
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
2 to 7 mph
WSW
|
|
Tuesday Night
Jun 9
|
Slight Chance Showers And Thunderstorms
|
71°F |
7 mph
SW
|
|
Wednesday
Jun 10
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
8 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
7 to 18 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms
|
89°F |
7 to 17 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
60°F |
5 to 15 mph
W
|
|
Friday
Jun 12
|
Sunny
|
85°F |
5 to 10 mph
W
|
|
Friday Night
Jun 12
|
Clear
|
62°F |
2 to 6 mph
WSW
|
|
Saturday
Jun 13
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
WSW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
61°F |
6 mph
NW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
81°F |
6 to 10 mph
N
|
|
Sunday Night
Jun 14
|
Slight Chance Showers And Thunderstorms
|
58°F |
3 to 8 mph
NNE
|
|
Monday
Jun 15
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ellisville.