Weather in Mason, IL
Updated 2026-08-11 11:00 local time · ZIP codes 62443
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
82°3% rain97°2% rain98°2% rain98°2% rain97°2% rain97°2% rain96°1% rain93°2% rain89°2% rain
85°4% rain83°4% rain82°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 85°F with winds near 14 mph.
85°F, 4% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 24 mph.
Current temperature is 82°F, wind 14 mph, rain chance up to 5%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Mason weather today
Sunny and 82°F in Mason, IL. Today's high is 98°F with a 4% rain chance. Winds are around 14 mph with gusts near 17 mph. Relative humidity is 84%, pressure is 30.01 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Mason
Sunrise is at 06:04 AM and sunset is at 07:54 PM. Tomorrow's forecast calls for Sunny with a high near 89°F and a low near 73°F. The maximum rain chance is 57%.