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

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

78°F

26°C

Humidity 60%
Wind Speed S 7 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 May 7:54 pm CDT
Extended Forecast for

Hammond IL

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind 3 to 5 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Southwest wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. South wind around 7 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 86. South wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 17 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 87 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    T-storms
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 54.

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 63. South wind 3 to 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Southwest wind 3 to 6 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. South wind around 7 mph.
Monday
Mostly sunny, with a high near 86. South wind 8 to 15 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 17 mph.
Tuesday
Mostly sunny, with a high near 87. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58.
Friday
A chance of showers. Partly sunny, with a high near 78.
Friday Night
A chance of showers. Partly cloudy, with a low around 58.
Saturday
A chance of showers. Mostly sunny, with a high near 79.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Hammond IL
 39.81°N 88.6°W (Elev. 673 ft)
Last Update:
7:42 pm CDT May 18, 2024
Forecast Valid:
8pm CDT May 18, 2024-6pm CDT May 25, 2024
 
Forecast Discussion
 
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Additional Resources

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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