Ellisville, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Ellisville, IL in one place.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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: Sep 15, 2026 1:56 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Ellisville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:56 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ellisville
Today looks like the warmest upcoming period in Ellisville at 88 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday at about 7 to 12 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:56 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 chance of showers and thunderstorms before 10pm, then showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind 3 to 7 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. East wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. West northwest wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Northeast wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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. Partly sunny, with a high near 85. East southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A slight chance of rain showers before 7am. Partly sunny, with a high near 72.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
8 mph
W
|
|
Tonight
Sep 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
64°F |
3 to 7 mph
NNE
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
82°F |
5 mph
ENE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
68°F |
2 mph
E
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
86°F |
0 to 3 mph
WNW
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Chance Showers And Thunderstorms
|
66°F |
2 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
85°F |
6 mph
ESE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
67°F |
6 mph
SE
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
85°F |
7 to 12 mph
SW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
64°F |
2 to 6 mph
NW
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
76°F |
3 to 9 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
57°F |
3 to 8 mph
NNE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Partly Sunny
|
72°F |
5 to 9 mph
NNE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
53°F |
2 to 7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ellisville.