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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist
68°F
20°C
| Humidity | 93% |
| Wind Speed | SE 15 mph |
| Barometer | 29.75 in (1007.3 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 4.00 mi |
| Last update | 21 Jun 3:54 pm CDT |
Extended Forecast for
Hammond IL
Flood Watch June 21, 04:16pm until June 22, 01:00am
NOW until 1:00am Mon
Flood Watch
This Afternoon
High: 74 °F
Heavy Rain
Tonight
Low: 61 °F
Heavy Rain
then Slight
Chance
ShowersMonday
High: 73 °F
Mostly Cloudy
Monday Night
Low: 54 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 79 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 64 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. South southeast wind around 15 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.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 4am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 61. South wind 9 to 14 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 73. North wind around 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 11 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 77. Northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 57. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southeast wind 5 to 8 mph becoming southwest in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A chance of showers. Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 86. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hammond IL
39.81°N 88.6°W (Elev. 673 ft)
39.81°N 88.6°W (Elev. 673 ft)
2:41 pm CDT Jun 21, 2026
4pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
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