Casey, IL Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Casey, IL in one place.
Patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Casey, 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: Jul 10, 2026 7:56 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Casey, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 7:56 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Casey
Wednesday looks like the warmest upcoming period in Casey at 90 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 7 to 10 mph NE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 7:56 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog and a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. North wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. Northeast wind 3 to 7 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 84. Northeast wind 7 to 10 mph, with gusts as high as 16 mph.
Mostly clear, with a low around 66. Northeast wind 3 to 9 mph.
Sunny, with a high near 87.
Mostly clear, with a low around 68.
Sunny, with a high near 89.
Mostly clear, with a low around 70.
Sunny, with a high near 90.
Mostly clear, with a low around 71.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Patchy Fog
|
67°F |
3 mph
SSW
|
|
Friday
Jul 10
|
Patchy Fog
|
86°F |
5 mph
SW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
69°F |
5 mph
W
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
84°F |
6 mph
N
|
|
Saturday Night
Jul 11
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
3 to 7 mph
NE
|
|
Sunday
Jul 12
|
Mostly Sunny
|
84°F |
7 to 10 mph
NE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
66°F |
3 to 9 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
87°F |
6 to 9 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
2 to 7 mph
ENE
|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
6 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
1 to 5 mph
S
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
2 to 6 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
5 mph
WSW
|
|
Thursday
Jul 16
|
Sunny
|
89°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casey.
