Skip Navigation Linkwww.weather.gov 
NOAA logo - Select to go to the NOAA homepage National Weather Service
 Headquarters Office   NWS logo
NWS Office of the Chief Information Officer/Telecommunication Operations Center
 
   

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

2025.12.31 2145 UTC
Wind from the W (260 degrees) at 12 MPH (10 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 37 F (3 C)
Dew Point 30 F (-1 C)
Relative Humidity 74%
Pressure (altimeter) 30 in. Hg (1015 hPa)
ob KALN 312145Z 26010KT 10SM OVC019 03/M01 A3000

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
30.7 (-0.7) 24.3 (-4.3) In the 6 hours preceding Dec 31, 2025 - 06:55 AM EST / 2025.12.31 1155 UTC
34.5 (1.4) 15.4 (-9.2) In the 24 hours preceding Dec 31, 2025 - 12:55 AM EST / 2025.12.31 0555 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 5 PM (22) Dec 31 37 (3) 30 (-1) 30 (1015) W 12
4 PM (21) Dec 31 37 (3) 30 (-1) 30 (1015) W 15
3 PM (20) Dec 31 37 (3) 30 (-1) 30.01 (1016) W 14
2 PM (19) Dec 31 37 (3) 28 (-2) 30.03 (1016) W 12
1 PM (18) Dec 31 35 (2) 28 (-2) 30.07 (1018) W 10
Noon (17) Dec 31 35 (2) 28 (-2) 30.09 (1018) W 8
11 AM (16) Dec 31 33 (1) 26 (-3) 30.08 (1018) WSW 9
10 AM (15) Dec 31 32 (0) 24 (-4) 30.07 (1018) WSW 9
9 AM (14) Dec 31 32 (0) 23 (-5) 30.07 (1018) W 7
8 AM (13) Dec 31 30 (-1) 23 (-5) 30.07 (1018) WNW 7
7 AM (12) Dec 31 28.8 (-1.8) 21.2 (-6.0) 30.07 (1018) W 7
6 AM (11) Dec 31 29.1 (-1.6) 20.5 (-6.4) 30.05 (1017) W 7
5 AM (10) Dec 31 28.4 (-2.0) 18.9 (-7.3) 30.05 (1017) WSW 6
4 AM (9) Dec 31 30.0 (-1.1) 19.0 (-7.2) 30.06 (1017) W 8
3 AM (8) Dec 31 30.4 (-0.9) 18.3 (-7.6) 30.06 (1017) W 9
2 AM (7) Dec 31 30.2 (-1.0) 17.6 (-8.0) 30.06 (1017) W 9
1 AM (6) Dec 31 26.4 (-3.1) 15.4 (-9.2) 30.08 (1018) W 6
Midnight (5) Dec 31 26.6 (-3.0) 14.7 (-9.6) 30.08 (1018) WSW 7
11 PM (4) Dec 30 30.2 (-1.0) 15.4 (-9.2) 30.1 (1019) SW 9
10 PM (3) No Data
9 PM (2) Dec 30 30 (-1) 14 (-10) 30.16 (1021) SW 8
8 PM (1) Dec 30 32 (0) 14 (-10) 30.16 (1021) SW 8
7 PM (0) Dec 30 33 (1) 14 (-10) 30.17 (1021) SW 10
Oldest 6 PM (23) Dec 30 33 (1) 14 (-10) 30.19 (1022) WSW 7
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




US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
1325 East West Highway
Silver Spring, MD 20910
Page Author: NWS Internet Services Team
Disclaimer
Feedback
Privacy Notice
Credits