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Current Weather Conditions:
DECATUR AIRPORT, IL, United States

NWS Point Forecast for KDEC (KDEC) 39-50N 88-52W 207M

Conditions at

2026.10.21 0254 UTC
Wind Calm
Visibility 10 mile(s)
Sky conditions clear
Temperature 48.9 F (9.4 C)
Dew Point 41.0 F (5.0 C)
Relative Humidity 73%
Pressure (altimeter) 30.3 in. Hg (1026 hPa)
Pressure tendency 0.00 inches (0.0 hPa) lower than three hours ago
ob KDEC 210254Z 00000KT 10SM CLR 09/05 A3030 RMK AO2 SLP262 T00940050 58000

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
72.0 (22.2) 57.0 (13.9) In the 6 hours preceding Oct 20, 2026 - 07:54 PM EDT / 2026.10.20 2354 UTC
69.1 (20.6) 35.1 (1.7) In the 24 hours preceding Oct 20, 2026 - 01:54 AM EDT / 2026.10.20 0554 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 11 PM (3) Oct 20 48.9 (9.4) 41.0 (5.0) 30.3 (1026) Calm
10 PM (2) Oct 20 52.0 (11.1) 41.0 (5.0) 30.3 (1026) Calm
9 PM (1) Oct 20 55.9 (13.3) 41.0 (5.0) 30.31 (1026) Calm
8 PM (0) Oct 20 59.0 (15.0) 41.0 (5.0) 30.3 (1026) Calm
7 PM (23) Oct 20 68.0 (20.0) 41.0 (5.0) 30.3 (1026) NNE 3
6 PM (22) Oct 20 71.1 (21.7) 46.0 (7.8) 30.3 (1026) Calm
5 PM (21) Oct 20 71.1 (21.7) 42.1 (5.6) 30.31 (1026) NNW 3
4 PM (20) Oct 20 71.1 (21.7) 41.0 (5.0) 30.32 (1026)
3 PM (19) Oct 20 70.0 (21.1) 41.0 (5.0) 30.34 (1027) Variable 5
2 PM (18) Oct 20 68.0 (20.0) 41.0 (5.0) 30.36 (1028) Variable 3
1 PM (17) Oct 20 66.9 (19.4) 44.1 (6.7) 30.38 (1028) Calm
Noon (16) Oct 20 64.0 (17.8) 46.0 (7.8) 30.4 (1029) SSE 6
11 AM (15) Oct 20 57.9 (14.4) 48.0 (8.9) 30.41 (1029) Calm
10 AM (14) Oct 20 48.9 (9.4) 44.1 (6.7) 30.4 (1029) Calm
9 AM (13) Oct 20 39.9 (4.4) 37.9 (3.3) 30.39 (1029) ENE 3
8 AM (12) Oct 20 37.9 (3.3) 36.0 (2.2) 30.38 (1028) Calm
7 AM (11) Oct 20 42.1 (5.6) 37.9 (3.3) 30.37 (1028) Calm
6 AM (10) Oct 20 43.0 (6.1) 39.0 (3.9) 30.37 (1028) Calm
5 AM (9) Oct 20 42.1 (5.6) 37.9 (3.3) 30.35 (1027) Calm
4 AM (8) Oct 20 43.0 (6.1) 39.0 (3.9) 30.36 (1028) Calm
3 AM (7) Oct 20 45.0 (7.2) 39.9 (4.4) 30.35 (1027) Calm
2 AM (6) Oct 20 44.1 (6.7) 41.0 (5.0) 30.35 (1027) ENE 5
1 AM (5) Oct 20 48.0 (8.9) 41.0 (5.0) 30.36 (1028) Calm
Oldest Midnight (4) Oct 20 48.0 (8.9) 41.0 (5.0) 30.36 (1028) Calm
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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