Weather in Jacob, IL
Updated 2026-09-26 09:00 local time · ZIP codes 62950

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
62°10% rain
65°4% rain
72°6% rain
74°9% rain
73°9% rain
71°9% rain
72°9% rain
71°9% rain
70°10% rain
69°13% rain
67°12% rain
66°11% 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 13%).
It feels like 56°F with winds near 6 mph.
72°F, 6% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 62°F, wind 6 mph, rain chance up to 13%.
UV index is 1.
Local weather characteristics in Jacob
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Jacob is part of the Midwest weather region. The forecast point is near 37.74°N latitude and 89.54°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.
Jacob weather today
Overcast and 62°F in Jacob, IL. Today's high is 74°F with a 17% rain chance. Winds are around 6 mph with gusts near 9 mph. Relative humidity is 42%, pressure is 30.14 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Jacob
Sunrise is at 06:49 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Sunny with a high near 79°F and a low near 57°F. The maximum rain chance is 36%.