Arthur, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Arthur, IL in one place.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. West northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Arthur, 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 8, 2026 11:33 AM CDT.
The active forecast window currently covers Jul 10 to Jul 14, 2026 for Arthur, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 14, 2026
- Latest sync
- Jul 8, 2026 11:33 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arthur
Tuesday looks like the warmest upcoming period in Arthur at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 5 to 8 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 8, 2026 11:33 AM CDT
- Coverage
- 5 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 likely before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66.
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 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
85°F |
7 mph
WNW
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely
|
67°F |
6 mph
NE
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
84°F |
5 to 8 mph
SE
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
ENE
|
|
Sunday
Jul 12
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
8 mph
NE
|
|
Sunday Night
Jul 12
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
66°F |
3 to 7 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
87°F |
7 mph
NNE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
2 to 6 mph
N
|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
6 mph
N
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arthur.
