Weather in Mount Vernon, IA
Updated 2026-09-26 11:00 local time · ZIP codes 52314

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
56°22% rain
61°15% rain
62°15% rain
62°49% rain
57°48% rain
56°56% rain
59°27% rain
60°12% rain
60°36% rain
59°17% rain
58°21% rain
57°28% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 56% over the next 12 hours.
It feels like 51°F with winds near 8 mph.
62°F, 15% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 56°F, wind 8 mph, rain chance up to 56%.
UV index is 0.
Local weather characteristics in Mount Vernon
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Mount Vernon is part of the Midwest weather region. The forecast point is near 41.92°N latitude and 91.42°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.
Mount Vernon weather today
Overcast and 56°F in Mount Vernon, IA. Today's high is 62°F with a 69% rain chance. Winds are around 8 mph with gusts near 15 mph. Relative humidity is 76%, pressure is 30.17 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mount Vernon
Sunrise is at 06:57 AM and sunset is at 06:56 PM. Tomorrow's forecast calls for Overcast with a high near 68°F and a low near 57°F. The maximum rain chance is 18%.