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Current Weather Conditions:
Alton/St. Louis, St. Louis Regional Airport, IL, United States

NWS Point Forecast for KALN (KALN) 38-54N 090-03W

Conditions at

2026.09.19 2245 UTC
Wind Variable at 5 MPH (4 KT)
Visibility 10 mile(s)
Sky conditions clear
Temperature 93 F (34 C)
Heat index 94.6 F (34.8 C)
Dew Point 64 F (18 C)
Relative Humidity 38%
Pressure (altimeter) 29.88 in. Hg (1011 hPa)
ob KALN 192245Z VRB04KT 10SM CLR 34/18 A2988

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
97.3 (36.3) 70.2 (21.2) In the 24 hours preceding Sep 19, 2026 - 01:55 AM EDT / 2026.09.19 0555 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 7 PM (23) Sep 19 93 (34) 64 (18) 29.88 (1011) Variable 5
6 PM (22) Sep 19 93 (34) 64 (18) 29.89 (1012) Variable 5
5 PM (21) Sep 19 93 (34) 64 (18) 29.91 (1012) SW 8
4 PM (20) Sep 19 96 (36) 64 (18) 29.92 (1013) W 6
3 PM (19) Sep 19 95 (35) 66 (19) 29.94 (1013) W 5
2 PM (18) Sep 19 93 (34) 64 (18) 29.98 (1015) W 9
1 PM (17) Sep 19 91 (33) 66 (19) 29.98 (1015) SW 8
Noon (16) Sep 19 89 (32) 66 (19) 29.98 (1015) SW 12
11 AM (15) Sep 19 86 (30) 66 (19) 29.98 (1015) WSW 9
10 AM (14) Sep 19 80 (27) 68 (20) 29.99 (1015) WSW 6
9 AM (13) Sep 19 75 (24) 69 (21) 29.97 (1014) SSW 5
8 AM (12) Sep 19 69 (21) 68 (20) 29.96 (1014) SSW 8
7 AM (11) Sep 19 70.9 (21.6) 67.3 (19.6) 29.96 (1014) S 3
6 AM (10) Sep 19 70.0 (21.1) 68.0 (20.0) 29.96 (1014) Calm
5 AM (9) Sep 19 70.5 (21.4) 68.2 (20.1) 29.96 (1014) Calm
4 AM (8) Sep 19 71.4 (21.9) 68.5 (20.3) 29.97 (1014) Calm
3 AM (7) Sep 19 73.6 (23.1) 69.3 (20.7) 29.98 (1015) Calm
2 AM (6) Sep 19 74.8 (23.8) 69.4 (20.8) 30 (1015) SE 6
1 AM (5) Sep 19 75.2 (24.0) 69.8 (21.0) 30.01 (1016) ESE 5
Midnight (4) Sep 19 77.9 (25.5) 70.7 (21.5) 30.02 (1016) ESE 7
11 PM (3) Sep 18 79.5 (26.4) 71.2 (21.8) 30.04 (1017) ESE 6
10 PM (2) Sep 18 82 (28) 71 (22) 30.03 (1016) E 9
9 PM (1) Sep 18 82 (28) 71 (22) 30.02 (1016) Variable 3
Oldest 8 PM (0) Sep 18 89 (32) 71 (22) 30.03 (1016) S 8
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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