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

77°F

25°C

Humidity 98%
Wind Speed SE 3 mph
Barometer 30.07 in
Dewpoint 76°F (24°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 30 Jul 2:50 am CDT
Extended Forecast for

Greenfield IL

Heat Advisory July 30, 03:05am until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 03:05am until July 30, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Overnight

    Low: 75 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon.

    High: 90 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. North wind 7 to 11 mph. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. Northeast wind 8 to 10 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 75. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. North wind 7 to 11 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 61. Northeast wind 8 to 10 mph.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 61.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenfield IL
 39.33°N 90.2°W (Elev. 551 ft)
Last Update:
10:54 pm CDT Jul 29, 2025
Forecast Valid:
3am CDT Jul 30, 2025-6pm CDT Aug 5, 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