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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
68°F
20°C
| Humidity | 81% |
| Wind Speed | SW 5 mph |
| Barometer | 29.99 in (1015.0 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 1:54 am CDT |
Extended Forecast for
Dalton City IL
Flood Watch June 21, 07:00am until June 22, 01:00am
Overnight

Low: 64 °F
Mostly Cloudy
Saturday
High: 80 °F
Slight Chance
Showers then
SunnySaturday Night

Low: 60 °F
Increasing
CloudsSunday
High: 75 °F
Heavy Rain
Sunday Night

Low: 60 °F
Showers
Monday

High: 75 °F
Partly Sunny
Monday Night

Low: 54 °F
Mostly Clear
Tuesday

High: 77 °F
Sunny
Tuesday Night

Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 64. West wind around 5 mph.
Saturday
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 80. West northwest wind 3 to 8 mph.
Saturday Night
Increasing clouds, with a low around 60. Northwest wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 60. South southwest wind 10 to 17 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 75. North wind around 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dalton City IL
39.7°N 88.81°W (Elev. 682 ft)
39.7°N 88.81°W (Elev. 682 ft)
1:51 am CDT Jun 20, 2026
2am CDT Jun 20, 2026-6pm CDT Jun 26, 2026



