Home USA IL KDEC
Decatur Airport Weather

Decatur Airport (DEC) Weather 03/25/2025

Decatur Airport (DEC) Weather
Isolated showers.  Mostly sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

This Afternoon

54

Isolated Showers

Sunny

Tonight

35

Mostly Clear then Isolated Showers

Sunny

Wednesday

58

Sunny

Sunny

Wednesday Night

38

Partly Cloudy

Sunny

Thursday

60

Showers Likely

Sunny

Thursday Night

50

Showers

Sunny

Friday

78

Chance Showers and Breezy

Sunny

Friday Night

58

Mostly Cloudy then Chance Showers

Sunny

Saturday

69

Showers Likely and Breezy

Sunny

Saturday Night

56

Showers

Sunny

Sunday

70

Showers Likely

Sunny

Sunday Night

38

Showers Likely

Sunny

Monday

50

Partly Sunny

Weekly Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Isolated showers after 2am. Increasing clouds, with a low around 35. Northwest wind 5 to 8 mph becoming calm. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 58. West northwest wind 5 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 38. Calm wind becoming south 5 to 7 mph in the evening.
Thursday
Showers likely. Mostly cloudy, with a high near 60. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 50. South southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 78. Breezy, with a south southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Saturday
Showers likely. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 70%.
Saturday Night
Showers. Low around 56. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70.
Sunday Night
Showers likely. Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 50.
Close
press and move the map