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

(KALN) 38-54N 090-03W

Conditions at

2010.02.10 0925 UTC
Wind from the W (280 degrees) at 20 MPH (17 KT) gusting to 25 MPH (22 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 25.7 F (-3.5 C)
Windchill 12 F (-11 C)
Dew Point 20.8 F (-6.2 C)
Relative Humidity 81%
Pressure (altimeter) 30.07 in. Hg (1018 hPa)
ob KALN 100925Z AUTO 28017G22KT 10SM OVC018 M03/M06 A3007 RMK AO2 T10351062

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
25.3 (-3.7) 13.1 (-10.5) In the 6 hours preceding Feb 10, 2010 - 12:45 AM EST / 2010.02.10 0545 UTC
27.9 (-2.3) 11.8 (-11.2) In the 24 hours preceding Feb 10, 2010 - 12:45 AM EST / 2010.02.10 0545 UTC

Precipitation Accumulation

Precipitation
Amount
0.02 inches In the 24 hours preceding Feb 09, 2010 - 06:45 AM EST / 2010.02.09 1145 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 4 AM (9) Feb 10 25.7 (-3.5) 20.8 (-6.2) 30.07 (1018) W 20
3 AM (8) Feb 10 26.1 (-3.3) 20.8 (-6.2) 30.05 (1017) WNW 25
2 AM (7) Feb 10 26.2 (-3.2) 21.0 (-6.1) 30.04 (1017) WNW 21
1 AM (6) Feb 10 25.9 (-3.4) 21.0 (-6.1) 30.02 (1016) W 22
Midnight (5) Feb 10 24.8 (-4.0) 20.3 (-6.5) 30.01 (1016) W 20 light snow
11 PM (4) Feb 09 22.6 (-5.2) 18.9 (-7.3) 30 (1015) W 17 light snow
10 PM (3) Feb 09 19.4 (-7.0) 15.8 (-9.0) 29.98 (1015) W 16 light snow
9 PM (2) Feb 09 17.1 (-8.3) 13.3 (-10.4) 29.98 (1015) W 18 light snow
8 PM (1) Feb 09 14.9 (-9.5) 9.9 (-12.3) 29.99 (1015) W 20 light snow
7 PM (0) Feb 09 14 (-10) 5 (-15) 29.99 (1015) W 25
6 PM (23) Feb 09 14 (-10) 3 (-16) 29.98 (1015) W 25
5 PM (22) Feb 09 14 (-10) 3 (-16) 29.96 (1014) W 23
4 PM (21) Feb 09 15 (-9) 5 (-15) 29.95 (1014) W 21
3 PM (20) Feb 09 15 (-9) 5 (-15) 29.94 (1013) W 25
2 PM (19) Feb 09 15 (-9) 6 (-14) 29.95 (1014) W 21
1 PM (18) Feb 09 14 (-10) 5 (-15) 29.96 (1014) W 16
Noon (17) Feb 09 14 (-10) 5 (-15) 29.98 (1015) WSW 16
11 AM (16) Feb 09 14 (-10) 5 (-15) 29.92 (1013) WNW 17
10 AM (15) Feb 09 12 (-11) 6 (-14) 29.98 (1015) W 16
9 AM (14) Feb 09 14 (-10) 10 (-12) 29.97 (1014) WNW 17
8 AM (13) Feb 09 14 (-10) 10 (-12) 29.97 (1014) W 15 mist
7 AM (12) Feb 09 17.1 (-8.3) 14.0 (-10.0) 29.96 (1014) WNW 16 light snow
6 AM (11) Feb 09 18.3 (-7.6) 14.9 (-9.5) 29.96 (1014) WNW 16 light snow
Oldest 5 AM (10) Feb 09 21.6 (-5.8) 20.3 (-6.5) 29.93 (1013) W 15 light snow
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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