Weather in Arthur, IL
Updated 2026-08-11 10:15 local time · ZIP codes 61911

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
87°4% rain
95°3% rain
96°2% rain
97°2% rain
98°1% rain
96°2% rain
95°2% rain
93°2% rain
92°3% rain
89°3% rain
85°4% rain
83°5% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 5%).
It feels like 95°F with winds near 13 mph.
85°F, 4% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 87°F, wind 13 mph, rain chance up to 5%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Arthur weather today
Sunny and 87°F in Arthur, IL. Today's high is 98°F with a 5% rain chance. Winds are around 13 mph with gusts near 17 mph. Relative humidity is 64%, pressure is 29.93 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Arthur
Sunrise is at 06:02 AM and sunset is at 07:55 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 70°F. The maximum rain chance is 77%.