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

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

80°F

27°C

Humidity 89%
Wind Speed S 7 mph
Barometer 30.04 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Aug 7:50 am CDT
Extended Forecast for

5 Miles SE Bluff Springs IL

Heat Advisory August 18, 08:22am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 08:22am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 92 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. West southwest wind 3 to 5 mph.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. North wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. North northeast wind 5 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Northeast wind around 6 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 105. South wind 5 to 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Light south southwest wind.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. West southwest wind 3 to 5 mph.
Tuesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. North wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 62. North northeast wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 82. Northeast wind around 6 mph.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Bluff Springs IL
 39.95°N 90.31°W (Elev. 607 ft)
Last Update:
7:55 am CDT Aug 18, 2025
Forecast Valid:
8am 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