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St. Jacob, IL Weather Forecast

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St. Jacob, IL Weather Forecast

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St. Jacob IL weather - Clear - 48°F
Clear
48°F
Updated 9:48 pm
Feels Like 54°F
Humidity 93%
Wind N 0 mph
Barometer  30.04 in
Dew Point 46°F
St. Jacob IL weather - Clear - 9°C
Clear
9°C
Updated 9:48 pm
Feels Like 12°C
Humidity 93%
Wind N 0 km/h
Barometer  101.7 kPa
Dew Point 8°C
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St. Jacob Weather Forecast

TONIGHT VETERANS DAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
St. Jacob, IL Weather - Tonight Mostly Clear St. Jacob, IL Weather - Veterans Day Mostly Sunny St. Jacob, IL Weather - Wednesday Night Mostly Clear St. Jacob, IL Weather - Thursday Mostly Sunny St. Jacob, IL Weather - Thursday Night Mostly Clear St. Jacob, IL Weather - Friday Mostly Clear St. Jacob, IL Weather - Saturday Mostly Clear St. Jacob, IL Weather - Sunday Mostly Sunny St. Jacob, IL Weather - Sunday Night Chance Of Rain St. Jacob, IL Weather - Monday Mostly Sunny St. Jacob, IL Weather - Monday Night Mostly Clear St. Jacob, IL Weather - Tuesday Mostly Clear
Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Sunny Chance of Rain Mostly Sunny Mostly Clear Mostly Clear
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 40°FLo: 4°C Hi: 50°FHi: 10°C
 Lo: 31°FLo: -1°C Hi: 49°FHi: 9°C
Lo: 29°FLo: -2°C		 Hi: 49°FHi: 9°C
Lo: 29°FLo: -2°C		 Hi: 51°FHi: 11°C
 Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
 Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C		 Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 853 PM CST Tue Nov 10 2026 St. Jacob, IL Weather - WeatherWorld.com

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Issued: 548 PM CST Tue Nov 10 2026

Key Messages

  • Mild weather comes to an end on Wednesday as a strong cold front brings gusty winds and much colder weather.

Aviation

/00Z TAFS THROUGH 06Z THURSDAY/... Issued at 542 PM CST Tue Nov 10 2026

VFR flight conditions are expected to prevail through Veteran`s Day. A cold front will move through the region on Veteran`s Day. Winds ahead of the front will increase from the southwest during the morning, and then turn to the west-northwest behind the front from around 14-15Z across central and nor...