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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain
69°F
21°C
| Humidity | 87% |
| Wind Speed | SE 7 mph |
| Barometer | 30.03 in (1016.6 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 9.00 mi |
| Last update | 15 Oct 10:54 am CDT |
Extended Forecast for
Hammond IL
Today

High: 76 °F
Showers
Tonight
Low: 46 °F
Showers
Likely then
Chance
Showers and
BreezyFriday
High: 55 °F
Breezy.
Decreasing
Clouds then
Chance
ShowersFriday Night

Low: 36 °F
Gradual
ClearingSaturday

High: 58 °F
Areas Frost
then SunnySaturday Night

Low: 34 °F
Clear then
FrostSunday

High: 68 °F
Frost then
SunnySunday Night

Low: 37 °F
Clear
Monday

High: 73 °F
Mostly Sunny
Detailed Forecast
Today
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 76. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 46. Breezy, with a southwest wind 14 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 31 mph.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 36. North wind 13 to 16 mph, with gusts as high as 24 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. North wind 5 to 8 mph becoming calm in the afternoon.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 68. South wind 5 to 9 mph.
Sunday Night
Clear, with a low around 37.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hammond IL
39.78°N 88.57°W (Elev. 673 ft)
39.78°N 88.57°W (Elev. 673 ft)
10:36 am CDT Oct 15, 2026
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026



