Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain
60°F
16°C
| Humidity | 96% |
| Wind Speed | S 7 mph |
| Barometer | 29.75 in (1006.9 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 7.00 mi |
| Last update | 18 Apr 1:54 am CDT |
Extended Forecast for
2 Miles SSW Hammond IL
Flood Watch until April 18, 04:00am
NOW until 4:00am Sat
Flood Watch
Overnight
Low: 48 °F
Showers
Saturday
High: 55 °F
Chance
Showers then
Decreasing
Clouds and
BreezySaturday Night
Low: 36 °F
Mostly Clear
then Patchy
FrostSunday
High: 60 °F
Patchy Frost
then Mostly
Sunny and
BreezySunday Night
Low: 33 °F
Mostly Clear
then Patchy
FrostMonday
High: 60 °F
Patchy Frost
then SunnyMonday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
and Breezy
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Low around 48. West southwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 55. Breezy, with a west northwest wind 17 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West northwest wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 33. North wind 6 to 14 mph, with gusts as high as 18 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 60. Northeast wind around 7 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 46. South southeast wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 76. Breezy.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 82. Breezy.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSW Hammond IL
39.76°N 88.6°W (Elev. 659 ft)
39.76°N 88.6°W (Elev. 659 ft)
1:57 am CDT Apr 18, 2026
2am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
