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

57°F

14°C

Humidity 19%
Wind Speed SE 12 mph
Barometer 30.04 in (1017.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 17 Nov 2:54 pm CST
Extended Forecast for

2 Miles SSW Hammond IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. East southeast wind around 7 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain, with thunderstorms also possible after 3am. Low around 42. Southeast wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain before noon, then a slight chance of rain and thunderstorms between noon and 3pm. Mostly cloudy, with a high near 57. Southeast wind 7 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    High: 57 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. North northeast wind 6 to 8 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Calm wind becoming southeast around 5 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after noon. Mostly cloudy, with a high near 62. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. East southeast wind around 7 mph.
Tonight
Rain, with thunderstorms also possible after 3am. Low around 42. Southeast wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of rain before noon, then a slight chance of rain and thunderstorms between noon and 3pm. Mostly cloudy, with a high near 57. Southeast wind 7 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 40. North northeast wind 6 to 8 mph.
Wednesday
Mostly cloudy, with a high near 55. Northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 41. Calm wind becoming southeast around 5 mph after midnight.
Thursday
Rain likely, mainly after noon. Mostly cloudy, with a high near 62. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 56.
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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:
3:36 pm CST Nov 17, 2025
Forecast Valid:
3pm CST Nov 17, 2025-6pm CST Nov 23, 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