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Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

77°F

25°C

Humidity 98%
Wind Speed SE 3 mph
Barometer 30.00 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 1:50 am CDT
Extended Forecast for

4 Miles SW New Berlin IL

Heat Advisory August 18, 02:19am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 02:19am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Overnight

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South wind around 8 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 89. South wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 102. South wind around 8 mph.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind around 6 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 89. South wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 71. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 64. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW New Berlin IL
 39.67°N 89.95°W (Elev. 650 ft)
Last Update:
1:40 am CDT Aug 18, 2025
Forecast Valid:
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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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