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Current Weather Conditions:
ST LOUIS DOWNTOWN AIRPORT, IL, United States

NWS Point Forecast for KCPS (KCPS) 38-34N 090-09W 126M

Conditions at

2026.08.18 1953 UTC
Wind from the SSW (210 degrees) at 3 MPH (3 KT)
Visibility 10 mile(s)
Sky conditions clear
Temperature 86.0 F (30.0 C)
Dew Point 64.9 F (18.3 C)
Relative Humidity 49%
Pressure (altimeter) 30 in. Hg (1015 hPa)
ob KCPS 181953Z 21003KT 10SM CLR 30/18 A3000 RMK AO2 SLP156 T03000183

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
84.0 (28.9) 64.9 (18.3) In the 6 hours preceding Aug 18, 2026 - 01:53 PM EDT / 2026.08.18 1753 UTC
82.9 (28.3) 68.0 (20.0) In the 24 hours preceding Aug 18, 2026 - 01:53 AM EDT / 2026.08.18 0553 UTC

Precipitation Accumulation

Precipitation
Amount
0.69 inches In the 24 hours preceding Aug 17, 2026 - 07:53 AM EDT / 2026.08.17 1153 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 4 PM (20) Aug 18 86.0 (30.0) 64.9 (18.3) 30 (1015) SSW 3
3 PM (19) Aug 18 84.9 (29.4) 66.9 (19.4) 30.03 (1016) W 6
2 PM (18) Aug 18 84.0 (28.9) 66.9 (19.4) 30.05 (1017) Variable 5
1 PM (17) Aug 18 84.0 (28.9) 66.0 (18.9) 30.07 (1018) Calm
Noon (16) Aug 18 81.0 (27.2) 66.0 (18.9) 30.07 (1018) Calm
11 AM (15) Aug 18 79.0 (26.1) 68.0 (20.0) 30.07 (1018) Calm
10 AM (14) Aug 18 75.0 (23.9) 69.1 (20.6) 30.06 (1017) Calm
9 AM (13) Aug 18 70.0 (21.1) 68.0 (20.0) 30.06 (1017) Calm
8 AM (12) Aug 18 66.0 (18.9) 66.0 (18.9) 30.06 (1017) Calm mist
7 AM (11) Aug 18 64.0 (17.8) 64.0 (17.8) 30.06 (1017) Calm fog
6 AM (10) Aug 18 64.0 (17.8) 64.0 (17.8) 30.07 (1018) Calm mist
5 AM (9) Aug 18 64.9 (18.3) 64.9 (18.3) 30.07 (1018) Calm mist
4 AM (8) Aug 18 66.0 (18.9) 66.0 (18.9) 30.05 (1017) Calm
3 AM (7) Aug 18 66.9 (19.4) 66.0 (18.9) 30.05 (1017) Calm
2 AM (6) Aug 18 68.0 (20.0) 66.9 (19.4) 30.06 (1017) SSE 5
1 AM (5) Aug 18 68.0 (20.0) 66.9 (19.4) 30.07 (1018) Calm
Midnight (4) Aug 18 70.0 (21.1) 66.9 (19.4) 30.06 (1017) Calm
11 PM (3) Aug 17 70.0 (21.1) 68.0 (20.0) 30.06 (1017) Calm
10 PM (2) Aug 17 75.0 (23.9) 66.0 (18.9) 30.03 (1016) N 3
9 PM (1) Aug 17 78.1 (25.6) 64.9 (18.3) 30.01 (1016) N 8
8 PM (0) Aug 17 80.1 (26.7) 64.9 (18.3) 30.01 (1016) N 6
7 PM (23) Aug 17 81.0 (27.2) 64.9 (18.3) 30.03 (1016) N 9
6 PM (22) Aug 17 82.0 (27.8) 66.0 (18.9) 30.04 (1017) N 8
Oldest 5 PM (21) Aug 17 81.0 (27.2) 64.9 (18.3) 30.04 (1017) N 10
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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