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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
56°F
13°C
| Humidity | 75% |
| Wind Speed | Calm |
| Barometer | 29.73 in (1006.2 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jun 1:54 am CDT |
Extended Forecast for
5 Miles ESE Moweaqua IL
Wind Advisory June 17, 01:00pm until June 17, 07:00pm
Overnight

Low: 53 °F
Partly Cloudy
Wednesday

High: 84 °F
Severe
Thunderstorms
and BreezyWednesday Night
Low: 62 °F
Severe
Thunderstorms
and Breezy
then Partly
CloudyThursday

High: 74 °F
Mostly Sunny
Thursday Night

Low: 55 °F
Mostly Clear
Juneteenth

High: 77 °F
Sunny
Friday Night

Low: 59 °F
Mostly Clear
Saturday

High: 82 °F
Sunny
Saturday Night
Low: 63 °F
Partly Cloudy
then Chance
T-storms
Detailed Forecast
Overnight
Partly cloudy, with a low around 53. South wind 3 to 6 mph.
Wednesday
Showers and thunderstorms likely, mainly before 2pm. Some of the storms could be severe. Increasing clouds, with a high near 84. Breezy, with a south southeast wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms, mainly before 11pm. Some of the storms could be severe. Low around 62. Breezy, with a west southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 74. West northwest wind around 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 55. Northwest wind 3 to 8 mph.
Juneteenth
Sunny, with a high near 77. Northwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles ESE Moweaqua IL
39.6°N 88.93°W (Elev. 659 ft)
39.6°N 88.93°W (Elev. 659 ft)
1:56 am CDT Jun 17, 2026
2am CDT Jun 17, 2026-6pm CDT Jun 23, 2026



