Arcadia, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Arcadia, IL in one place.
A chance of showers and thunderstorms. Mostly sunny, with a high near 97. Heat index values as high as 103. West wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Arcadia, 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 5:09 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Arcadia, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:09 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arcadia
This Afternoon looks like the warmest upcoming period in Arcadia at 97 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Saturday at about 10 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:09 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
Showers and thunderstorms before 1am, then showers and thunderstorms likely between 1am and 3am, then showers and thunderstorms likely between 3am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. North northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. East southeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Northeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. South southeast wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 71.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 69.
Showers and thunderstorms likely. Partly sunny, with a high near 84.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
A chance of rain showers before 1pm. Mostly cloudy, with a high near 77.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Sep 15
|
Chance Showers And Thunderstorms
|
97°F |
8 mph
W
|
|
Tonight
Sep 15
|
Showers And Thunderstorms
|
69°F |
6 mph
NNE
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms
|
85°F |
5 mph
ENE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
ESE
|
|
Thursday
Sep 17
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
90°F |
5 mph
W
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
NE
|
|
Friday
Sep 18
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
90°F |
6 mph
SSE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
71°F |
3 to 9 mph
SSE
|
|
Saturday
Sep 19
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
92°F |
10 mph
SW
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
3 to 7 mph
WSW
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
84°F |
5 to 8 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
63°F |
5 to 9 mph
N
|
|
Monday
Sep 21
|
Chance Rain Showers
|
77°F |
5 to 9 mph
NNW
|
|
Monday Night
Sep 21
|
Mostly Cloudy then Slight Chance Rain Showers
|
59°F |
5 to 8 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arcadia.