Arthur, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Arthur, IL in one place.
Sunny, with a high near 91. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
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: Oct 12, 2026 12:37 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Arthur, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 12:37 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arthur
Tuesday looks like the warmest upcoming period in Arthur at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 17 to 21 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 12:37 AM CDT
- Coverage
- 6 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 after 7pm. Partly cloudy, with a low around 68. Southwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 81. West northwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 59. Northeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
A chance of rain showers before 7am. Partly sunny, with a high near 65.
Partly cloudy, with a low around 36.
Sunny, with a high near 58.
Clear, with a low around 34.
Sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
91°F |
9 to 13 mph
SW
|
|
Tuesday Night
Oct 13
|
Chance Showers And Thunderstorms
|
68°F |
3 to 7 mph
SW
|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
81°F |
6 mph
WNW
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms
|
59°F |
9 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
75°F |
10 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
52°F |
9 to 16 mph
WSW
|
|
Friday
Oct 16
|
Chance Rain Showers then Partly Sunny
|
65°F |
17 to 21 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
36°F |
12 to 21 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
7 to 10 mph
NNW
|
|
Saturday Night
Oct 17
|
Clear
|
34°F |
5 mph
E
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arthur.
