Jacob, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for Hazardous Weather Outlook for Jacob, Illinois
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Jacob, Illinois : Jackson County
Issued: 12:01 am CDT Sep 16, 2025 Latitude: 37.7450512 Longitude: -89.5370423 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Overnight Morning Fog on Tuesday Sunny on Wednesday Sunny on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday 20% chance of thunderstorms on Sunday 10% chance of thunderstorms on Monday
Low: 66°F High: 94°F High: 93°F High: 95°F High: 88°F High: 88°F High: 86°F High: 85°F
Low: 65°F Low: 64°F Low: 66°F Low: 65°F Low: 64°F Low: 63°F  
Mostly Clear Morning Fog Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
-
Current Conditions at
CARBONDALE - (KMDH)
66°
Clear
as of 12:52 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
68°
Clear
as of 12:55 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
73°
Clear
as of 12:55 AM CDST
Rel. Humidity: 78%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
3 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
70°
Clear
as of 12:55 AM CDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 66. Calm wind.
Morning Fog on Tuesday Tuesday... Patchy fog before 8am. Otherwise, sunny, with a high near 94. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 65. Light east northeast wind.
Sunny on Wednesday Wednesday... Sunny, with a high near 93. Light east wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 64. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 95. Calm wind becoming south around 6 mph in the afternoon.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. South southeast wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Friday Friday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
20% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light south southwest wind.
20% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms. Partly sunny, with a high near 86. Calm wind becoming south southwest 5 to 8 mph in the morning.
20% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 3 to 5 mph.
10% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. South southwest wind 3 to 8 mph.
Current Radar Image


Sun Almanac for Jacob, Illinois
Sunrise: 06:41 AM
Sunset: 7:04 PM
Civil Sunrise:06:15 AM
Civil Sunset: 7:31 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 8:01 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 8:33 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.