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

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

67°F

19°C

Humidity 73%
Wind Speed NE 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 7:54 pm CDT
Extended Forecast for

Hammond IL

  • Tonight

    Tonight: Mostly clear, with a low around 53. North wind 5 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind around 6 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southeast wind 6 to 9 mph becoming south southwest in the afternoon.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. South southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 80. West wind 5 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 53. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 77. North northeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind becoming east southeast around 5 mph after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southeast wind 6 to 9 mph becoming south southwest in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. South southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80. West wind 5 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 88. Breezy.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hammond IL
 39.81°N 88.6°W (Elev. 673 ft)
Last Update:
1:26 pm CDT Jun 22, 2026
Forecast Valid:
8pm CDT Jun 22, 2026-6pm CDT Jun 29, 2026
 
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