National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

67°F

19°C

Humidity 51%
Wind Speed N 8 mph
Barometer 30.14 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 May 6:35 pm CDT
Extended Forecast for

Exeter IL

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71. East wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 52. East wind around 9 mph, with gusts as high as 17 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers, mainly after 1pm. High near 68. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 54. East northeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind around 6 mph.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57. Light west southwest wind.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Northeast wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 71. East wind 8 to 10 mph, with gusts as high as 17 mph.
Thursday Night
Increasing clouds, with a low around 52. East wind around 9 mph, with gusts as high as 17 mph.
Friday
Showers, mainly after 1pm. High near 68. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 54. East northeast wind 5 to 7 mph becoming light and variable after midnight.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind around 6 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57. Light west southwest wind.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 57.
Memorial Day
Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
A chance of showers. Partly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Exeter IL
 39.71°N 90.5°W (Elev. 561 ft)
Last Update:
6:36 pm CDT May 20, 2026
Forecast Valid:
6pm CDT May 20, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation