Weather in Mt Zion, IL
Updated 2026-09-26 09:00 local time · ZIP codes 62549

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
59°16% rain
63°13% rain
67°11% rain
69°8% rain
71°10% rain
72°9% rain
72°3% rain
74°9% rain
73°9% rain
71°10% rain
68°11% rain
64°12% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 16%).
It feels like 54°F with winds near 8 mph.
72°F, 3% rain chance and 1 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 59°F, wind 8 mph, rain chance up to 16%.
UV index is 1.
Local weather characteristics in Mt Zion
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Mt Zion is part of the Midwest weather region. The forecast point is near 39.77°N latitude and 88.87°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Mt Zion weather today
Overcast and 59°F in Mt Zion, IL. Today's high is 74°F with a 10% rain chance. Winds are around 8 mph with gusts near 11 mph. Relative humidity is 66%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mt Zion
Sunrise is at 06:47 AM and sunset is at 06:46 PM. Tomorrow's forecast calls for Overcast with a high near 75°F and a low near 55°F. The maximum rain chance is 8%.