Hazardous Weather Conditions
Current conditions at
Jacksonville Municipal Airport (KIJX)
Lat: 39.77°NLon: 90.24°WElev: 614ft.
Thunderstorm
72°F
22°C
| Humidity | 100% |
| Wind Speed | NE 10 mph |
| Barometer | 30.13 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 2.00 mi |
| Last update | 15 Aug 5:15 am CDT |
Extended Forecast for
Jacksonville IL
Flood Advisory until August 15, 08:45am
NOW until 8:45am Sat

Flood Advisory
Overnight

Low: 72 °F
Chance
T-stormsSaturday
High: 90 °F
Showers then
Partly SunnySaturday Night
Low: 74 °F
Partly Cloudy
then Chance
T-stormsSunday

High: 88 °F
Partly Sunny
Sunday Night

Low: 67 °F
Partly Cloudy
Monday

High: 84 °F
Mostly Sunny
Monday Night

Low: 63 °F
Mostly Clear
Tuesday

High: 86 °F
Sunny
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind around 7 mph.
Saturday
Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 11am. High near 90. Heat index values as high as 103. North wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 74. Light and variable wind becoming northwest 5 to 7 mph after midnight.
Sunday
Partly sunny, with a high near 88. West northwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 67. North northwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 84. North wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Jacksonville IL
39.73°N 90.24°W (Elev. 607 ft)
39.73°N 90.24°W (Elev. 607 ft)
4:36 am CDT Aug 15, 2026
5am CDT Aug 15, 2026-6pm CDT Aug 21, 2026



