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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
69°F
21°C
| Humidity | 73% |
| Wind Speed | W 8 mph |
| Barometer | 30.00 in (1015.2 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 3:54 am CDT |
Extended Forecast for
3 Miles W Arthur IL
Flood Watch June 21, 07:00am until June 22, 01:00am
Today
High: 80 °F
Slight Chance
Showers then
SunnyTonight
Low: 60 °F
Partly Cloudy
Sunday
High: 75 °F
Showers
Likely then
Heavy RainSunday 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
Wednesday
High: 78 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West northwest wind 5 to 8 mph.
Tonight
Partly cloudy, 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 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 60. South wind 10 to 16 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 21 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
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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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles W Arthur IL
39.72°N 88.52°W (Elev. 682 ft)
39.72°N 88.52°W (Elev. 682 ft)
4:36 am CDT Jun 20, 2026
4am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
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