Hazardous Weather Conditions
Current conditions at
Jacksonville Municipal Airport (KIJX)
Lat: 39.77°NLon: 90.24°WElev: 614ft.
Mostly Cloudy
82°F
28°C
| Humidity | 56% |
| Wind Speed | S 16 G 22 mph |
| Barometer | 29.82 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 17 Apr 12:55 pm CDT |
Extended Forecast for
Jacksonville IL
Flood Watch April 17, 06:00pm until April 18, 04:00am
This Afternoon

High: 86 °F
Chance
T-storms and
BreezyTonight
Low: 43 °F
Heavy Rain
Saturday
High: 55 °F
Slight Chance
Showers then
SunnySaturday Night

Low: 36 °F
Mostly Clear
then Patchy
FrostSunday

High: 61 °F
Patchy Frost
then SunnySunday Night

Low: 38 °F
Mostly Clear
Monday

High: 67 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 77 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 86. Breezy, with a south wind around 20 mph, with gusts as high as 31 mph.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 43. South southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 55. Northwest wind around 18 mph, with gusts as high as 28 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 61. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 38. North northwest wind around 7 mph becoming east after midnight.
Monday
Sunny, with a high near 67. East southeast wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 82.
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)
1:06 pm CDT Apr 17, 2026
1pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026



