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

(KALN) 38-54N 090-03W

Conditions at

2009.11.27 2055 UTC
Wind from the ESE (120 degrees) at 12 MPH (10 KT)
Visibility 10 mile(s)
Sky conditions clear
Temperature 51 F (11 C)
Dew Point 32 F (0 C)
Relative Humidity 46%
Pressure (altimeter) 29.96 in. Hg (1014 hPa)
ob KALN 272055Z 12010KT 10SM SKC 11/00 A2996

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
32.2 (0.1) 29.1 (-1.6) In the 6 hours preceding Nov 27, 2009 - 06:45 AM EST / 2009.11.27 1145 UTC
40.6 (4.8) 32.0 (0.0) In the 24 hours preceding Nov 27, 2009 - 12:45 AM EST / 2009.11.27 0545 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 4 PM (21) Nov 27 51 (11) 32 (0) 29.96 (1014) ESE 12
3 PM (20) No Data
2 PM (19) No Data
1 PM (18) Nov 27 46 (8) 30 (-1) 30.04 (1017) S 7
Noon (17) Nov 27 42 (6) 30 (-1) 30.06 (1017) SE 5
11 AM (16) Nov 27 39 (4) 30 (-1) 30.09 (1018) WSW 6
10 AM (15) Nov 27 35 (2) 30 (-1) 30.09 (1018) WSW 7
9 AM (14) Nov 27 33 (1) 28 (-2) 30.09 (1018) WSW 6
8 AM (13) Nov 27 28 (-2) 26 (-3) 30.09 (1018) W 8
7 AM (12) Nov 27 29.5 (-1.4) 27.0 (-2.8) 30.08 (1018) WSW 5
6 AM (11) Nov 27 29.5 (-1.4) 27.1 (-2.7) 30.09 (1018) WSW 5
5 AM (10) Nov 27 30.4 (-0.9) 27.5 (-2.5) 30.08 (1018) WSW 5
4 AM (9) Nov 27 31.1 (-0.5) 27.9 (-2.3) 30.08 (1018) W 6
3 AM (8) Nov 27 32.0 (0.0) 28.4 (-2.0) 30.07 (1018) WSW 8
2 AM (7) Nov 27 32.0 (0.0) 28.4 (-2.0) 30.08 (1018) WSW 8
1 AM (6) Nov 27 32.2 (0.1) 28.8 (-1.8) 30.08 (1018) W 7
Midnight (5) Nov 27 32.0 (0.0) 28.4 (-2.0) 30.08 (1018) WSW 8
11 PM (4) Nov 26 32.9 (0.5) 27.5 (-2.5) 30.09 (1018) W 7
10 PM (3) Nov 26 32.0 (0.0) 28.2 (-2.1) 30.11 (1019) W 7
9 PM (2) Nov 26 35.2 (1.8) 28.9 (-1.7) 30.11 (1019) WNW 8
8 PM (1) Nov 26 37.6 (3.1) 29.1 (-1.6) 30.12 (1019) WNW 15
7 PM (0) Nov 26 39 (4) 30 (-1) 30.1 (1019) WNW 12
6 PM (23) No Data
Oldest 5 PM (22) No Data
Time
EST (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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