Home USA IL KDEC
Decatur Airport Weather

Decatur Airport (DEC) Weather 04/29/2025

Decatur Airport (DEC) Weather
Partly cloudy, with a low around 50. North wind 6 to 8 mph becoming east northeast after midnight.

Tonight

50

Partly Cloudy

Sunny

Wednesday

67

Showers

Sunny

Wednesday Night

61

Showers

Sunny

Thursday

73

Showers

Sunny

Thursday Night

53

Chance T-storms

Sunny

Friday

68

Mostly Sunny then Chance Showers

Sunny

Friday Night

46

Partly Cloudy

Sunny

Saturday

65

Sunny

Sunny

Saturday Night

43

Mostly Clear

Sunny

Sunday

69

Sunny

Sunny

Sunday Night

47

Mostly Clear

Sunny

Monday

75

Sunny

Sunny

Monday Night

52

Mostly Clear

Weekly Forecast

Tonight
Partly cloudy, with a low around 50. North wind 6 to 8 mph becoming east northeast after midnight.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 67. East wind around 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 61. East southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 73. South wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53. West northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Friday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 68. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 7 to 11 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 52.
Close
press and move the map