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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

2026.07.21 2050 UTC
Wind from the NNW (330 degrees) at 9 MPH (8 KT)
Visibility 10 mile(s)
Sky conditions clear
Temperature 89 F (32 C)
Dew Point 69 F (21 C)
Relative Humidity 52%
Pressure (altimeter) 29.84 in. Hg (1010 hPa)
ob KALN 212050Z 33008KT 10SM CLR 32/21 A2984

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
90.5 (32.5) 68.9 (20.5) In the 24 hours preceding Jul 21, 2026 - 01:55 AM EDT / 2026.07.21 0555 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 5 PM (21) Jul 21 89 (32) 69 (21) 29.84 (1010) NNW 9
4 PM (20) Jul 21 87 (31) 69 (21) 29.84 (1010) NNW 9
3 PM (19) Jul 21 87 (31) 69 (21) 29.84 (1010) NNW 14
2 PM (18) Jul 21 87 (31) 69 (21) 29.84 (1010) NNW 12
1 PM (17) Jul 21 86 (30) 69 (21) 29.83 (1010) N 12
Noon (16) Jul 21 86 (30) 73 (23) 29.83 (1010) NNW 14
11 AM (15) Jul 21 84 (29) 75 (24) 29.82 (1009) NW 12
10 AM (14) Jul 21 84 (29) 75 (24) 29.83 (1010) NW 12
9 AM (13) Jul 21 82 (28) 75 (24) 29.82 (1009) NW 6
8 AM (12) Jul 21 82 (28) 75 (24) 29.78 (1008) SSW 5
7 AM (11) Jul 21 82.8 (28.2) 75.2 (24.0) 29.79 (1008) W 7
6 AM (10) Jul 21 81.9 (27.7) 75.4 (24.1) 29.78 (1008) W 6 precipitation
5 AM (9) Jul 21 82.2 (27.9) 75.4 (24.1) 29.74 (1007) WNW 5 light rain
4 AM (8) Jul 21 81.5 (27.5) 76.1 (24.5) 29.77 (1008) WSW 8 light drizzle
3 AM (7) Jul 21 81.9 (27.7) 76.5 (24.7) 29.79 (1008) WSW 8
2 AM (6) Jul 21 81.5 (27.5) 77.0 (25.0) 29.8 (1009) SW 7
1 AM (5) Jul 21 79.2 (26.2) 75.7 (24.3) 29.82 (1009) SSW 5
Midnight (4) Jul 21 79.3 (26.3) 76.1 (24.5) 29.85 (1010) Calm
11 PM (3) Jul 20 79.7 (26.5) 76.1 (24.5) 29.89 (1012) Calm
10 PM (2) Jul 20 82 (28) 75 (24) 29.84 (1010) S 6
9 PM (1) Jul 20 84 (29) 75 (24) 29.82 (1009) SSE 6
8 PM (0) Jul 20 87 (31) 75 (24) 29.83 (1010) S 12
7 PM (23) Jul 20 89 (32) 73 (23) 29.84 (1010) SE 7
Oldest 6 PM (22) Jul 20 89 (32) 75 (24) 29.85 (1010) SSE 7
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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