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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

2026.03.18 0955 UTC
Wind from the SSE (150 degrees) at 9 MPH (8 KT)
Visibility 10 mile(s)
Sky conditions overcast
Weather Light snow
Temperature 34.5 F (1.4 C)
Windchill 26 F (-3 C)
Dew Point 19.9 F (-6.7 C)
Relative Humidity 54%
Pressure (altimeter) 30.04 in. Hg (1017 hPa)
ob KALN 180955Z AUTO 15008KT 10SM -SN BKN060 BKN070 OVC085 01/M07 A3004 RMK AO2 T00141067

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
32.9 (0.5) 32.0 (0.0) In the 6 hours preceding Mar 18, 2026 - 01:55 AM EDT / 2026.03.18 0555 UTC
32.9 (0.5) 14.9 (-9.5) In the 24 hours preceding Mar 18, 2026 - 01:55 AM EDT / 2026.03.18 0555 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 6 AM (10) Mar 18 34.5 (1.4) 19.9 (-6.7) 30.04 (1017) SSE 9 light snow
5 AM (9) Mar 18 34.7 (1.5) 18.3 (-7.6) 30.04 (1017) SSE 9
4 AM (8) Mar 18 34.0 (1.1) 18.5 (-7.5) 30.06 (1017) SSE 9
3 AM (7) Mar 18 33.4 (0.8) 18.1 (-7.7) 30.09 (1018) SSE 9
2 AM (6) Mar 18 33.1 (0.6) 18.3 (-7.6) 30.1 (1019) SE 12
1 AM (5) Mar 18 32.0 (0.0) 19.4 (-7.0) 30.12 (1019) SE 10
Midnight (4) Mar 18 32.5 (0.3) 18.7 (-7.4) 30.15 (1020) SE 12
11 PM (3) Mar 17 32.4 (0.2) 16.7 (-8.5) 30.16 (1021) SE 8
10 PM (2) Mar 17 32 (0) 12 (-11) 30.17 (1021) SSE 10
9 PM (1) Mar 17 32 (0) 10 (-12) 30.18 (1022) SSE 8
8 PM (0) Mar 17 32 (0) 6 (-14) 30.18 (1022) S 9
7 PM (23) Mar 17 32 (0) 3 (-16) 30.2 (1022) SSE 7
6 PM (22) Mar 17 32 (0) 0 (-18) 30.21 (1023) Variable 5
5 PM (21) Mar 17 32 (0) 5 (-15) 30.25 (1024) Variable 5
4 PM (20) Mar 17 30 (-1) 6 (-14) 30.28 (1025) W 12
3 PM (19) Mar 17 28 (-2) 6 (-14) 30.27 (1025) W 7
2 PM (18) Mar 17 24 (-4) 5 (-15) 30.28 (1025) WNW 3
1 PM (17) Mar 17 23 (-5) 5 (-15) 30.29 (1025) W 5
Noon (16) Mar 17 21 (-6) 5 (-15) 30.29 (1025) NNE 7
11 AM (15) Mar 17 19 (-7) 5 (-15) 30.29 (1025) NW 8
10 AM (14) Mar 17 15 (-9) 3 (-16) 30.27 (1025) NW 10
9 AM (13) Mar 17 15 (-9) 3 (-16) 30.24 (1024) NNW 9
8 AM (12) Mar 17 15 (-9) 3 (-16) 30.23 (1023) NNW 16
Oldest 7 AM (11) Mar 17 15.8 (-9.0) 3.2 (-16.0) 30.23 (1023) NW 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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