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

45°F

7°C

Humidity 74%
Wind Speed S 16 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Jan 12:54 am CST
Extended Forecast for

2 Miles SSW Hammond IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. South southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Patchy fog between 8am and 11am. Otherwise, cloudy, with a high near 63. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain and thunderstorms before 3am, then a chance of rain. Low around 45. Breezy, with a south wind 20 to 25 mph becoming west southwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 58. Breezy, with a west southwest wind 15 to 20 mph becoming north 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Northeast wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 42. North wind 7 to 12 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 42 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West wind 14 to 18 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. South southeast wind around 11 mph, with gusts as high as 21 mph.
Thursday
Rain likely, mainly after 5pm. Patchy fog between 8am and 11am. Otherwise, cloudy, with a high near 63. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and thunderstorms before 3am, then a chance of rain. Low around 45. Breezy, with a south wind 20 to 25 mph becoming west southwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Mostly cloudy, with a high near 58. Breezy, with a west southwest wind 15 to 20 mph becoming north 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Northeast wind around 6 mph.
Saturday
A 40 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 42. North wind 7 to 12 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 20. West wind 14 to 18 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Hammond IL
 39.76°N 88.6°W (Elev. 659 ft)
Last Update:
1:31 am CST Jan 8, 2026
Forecast Valid:
1am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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