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.

Overcast and Breezy

31°F

-1°C

Humidity 49%
Wind Speed NW 21 G 31 mph
Barometer 30.27 in (1025.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 9 Nov 4:54 pm CST
Extended Forecast for

Hammond IL

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a steady temperature around 31. Blustery, with a northwest wind around 20 mph, with gusts as high as 28 mph.

    High: 31 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: A chance of flurries before 7pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow
    Showers and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow showers, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 37. Breezy, with a north northwest wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 37 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 21. West northwest wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 48. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 48 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. West wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. West northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a steady temperature around 31. Blustery, with a northwest wind around 20 mph, with gusts as high as 28 mph.
Tonight
A chance of flurries before 7pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Monday
A 30 percent chance of snow showers, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 37. Breezy, with a north northwest wind 13 to 22 mph, with gusts as high as 34 mph.
Monday Night
Increasing clouds, with a low around 21. West northwest wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Veterans Day
Mostly cloudy, with a high near 48. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 36. West wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 58. West northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 71.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Partly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammond IL
 39.81°N 88.6°W (Elev. 673 ft)
Last Update:
4:56 pm CST Nov 9, 2025
Forecast Valid:
5pm CST Nov 9, 2025-6pm CST Nov 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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