Weather for KDEC/Decatur

Decatur, IL USA

Last Update: 22 Jul 2025 21:54
Temperature (°F)
88
Dewpoint
77
Relative Humidity
70
Wind Direction
130
Gust
Pressure
29.3
Sky
Clear
Ceiling
Unl
Visibility
10
Heat Index
100
Wind Chill
88
Wind Speed
12
METAR
KDEC   222154Z   13010KT   10SM   CLR   31/25   A3003   RMK   AO2   SLP162   T03110250
TAF
KDEC   221721Z   2218/2318   12007KT   P6SM   SCT025   TEMPO   2218/2220   BKN025   FM231200   16007KT   P6SM   FEW100

7 Day Forecast

°F °C
Today
88
75
31
24
Day
Night
Partly cloudy. Low around 75F. Winds SE at 10 to 15 mph.
A few clouds. Low 24C. Winds SE at 15 to 25 km/h.
Sunrise: 05:45 AM
Sunset: 08:18 PM
Moonrise: 02:55 AM
Moonset: 07:07 PM
Tomorrow
93
77
34
25
Partly Cloudy
Day
Partly cloudy. Hot and humid. High 93F. Winds S at 10 to 15 mph.
Sunshine and clouds mixed. Hot and humid. High 34C. Winds S at 15 to 25 km/h.
Night
A stray thunderstorm is possible throughout the evening. Mostly clear skies. Low 77F. Winds S at 5 to 10 mph.
A stray thunderstorm is possible throughout the evening. A mostly clear sky. Low near 25C. Winds S at 10 to 15 km/h.
Sunrise: 05:46 AM
Sunset: 08:17 PM
Moonrise: 04:02 AM
Moonset: 07:58 PM
Thursday
95
77
35
25
Mostly Sunny
More sun than clouds. Highs in the mid 90s and lows in the upper 70s.
Plenty of sun. Highs 34 to 36C and lows 24 to 26C.
05:47 AM
08:16 PM
05:15 AM
08:39 PM
Friday
89
75
32
24
Scattered Thunderstorms
A few thunderstorms possible. Highs in the upper 80s and lows in the mid 70s.
Scattered thunderstorms. Highs 31 to 33C and lows 23 to 25C.
05:48 AM
08:15 PM
06:29 AM
09:10 PM
Saturday
89
75
31
24
Scattered Thunderstorms
Scattered thunderstorms. Highs in the upper 80s and lows in the mid 70s.
A few thunderstorms possible. Highs 30 to 32C and lows 23 to 25C.
05:48 AM
08:14 PM
07:40 AM
09:36 PM
Sunday
91
75
33
24
Mostly Sunny
A few clouds. Highs in the low 90s and lows in the mid 70s.
Mostly sunny. Highs 32 to 34C and lows 23 to 25C.
05:49 AM
08:13 PM
08:48 AM
09:59 PM
Monday
93
75
34
24
Isolated Thunderstorms
Slight chance of a thunderstorm. Highs in the low 90s and lows in the mid 70s.
Partly cloudy with a stray thunderstorm. Highs 33 to 35C and lows 23 to 25C.
05:50 AM
08:12 PM
09:51 AM
10:19 PM