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Current Weather Conditions:
SOUTHERN ILLINOIS AIRPORT, IL, United States

NWS Point Forecast for KMDH (KMDH) 37-47N 089-15W 130M

Conditions at

2026.01.18 2052 UTC
Wind from the SSW (200 degrees) at 17 MPH (15 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 28.0 F (-2.2 C)
Windchill 15 F (-9 C)
Dew Point 8.1 F (-13.3 C)
Relative Humidity 42%
Pressure (altimeter) 30.05 in. Hg (1017 hPa)
Pressure tendency 0.10 inches (3.3 hPa) lower than three hours ago
ob KMDH 182052Z 20015KT 10SM OVC100 M02/M13 A3005 RMK AO2 SLP183 T10221133 56033

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
23.0 (-5.0) 10.0 (-12.2) In the 6 hours preceding Jan 18, 2026 - 12:52 PM EST / 2026.01.18 1752 UTC
34.0 (1.1) 15.1 (-9.4) In the 24 hours preceding Jan 18, 2026 - 12:52 AM EST / 2026.01.18 0552 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 4 PM (21) Jan 18 28.0 (-2.2) 8.1 (-13.3) 30.05 (1017) SSW 17
3 PM (20) Jan 18 27.0 (-2.8) 7.0 (-13.9) 30.06 (1017) S 16
2 PM (19) Jan 18 25.0 (-3.9) 5.0 (-15.0) 30.11 (1019) S 14
1 PM (18) Jan 18 23.0 (-5.0) 3.9 (-15.6) 30.15 (1020) S 12
Noon (17) Jan 18 21.0 (-6.1) 3.9 (-15.6) 30.2 (1022) SSW 8
11 AM (16) Jan 18 18.0 (-7.8) 3.0 (-16.1) 30.25 (1024) WSW 10
10 AM (15) Jan 18 15.1 (-9.4) 3.0 (-16.1) 30.23 (1023) WSW 9
9 AM (14) Jan 18 12.9 (-10.6) 5.0 (-15.0) 30.23 (1023) WSW 6
8 AM (13) Jan 18 10.0 (-12.2) 3.9 (-15.6) 30.23 (1023) WSW 5
7 AM (12) Jan 18 10.9 (-11.7) 3.9 (-15.6) 30.23 (1023) WSW 6
6 AM (11) Jan 18 10.9 (-11.7) 5.0 (-15.0) 30.24 (1024) WSW 5
5 AM (10) Jan 18 12.9 (-10.6) 3.9 (-15.6) 30.25 (1024) SW 5
4 AM (9) Jan 18 15.1 (-9.4) 3.9 (-15.6) 30.27 (1025) W 6
3 AM (8) Jan 18 15.1 (-9.4) 3.9 (-15.6) 30.28 (1025) WNW 5
2 AM (7) Jan 18 16.0 (-8.9) 5.0 (-15.0) 30.29 (1025) WNW 6
1 AM (6) Jan 18 16.0 (-8.9) 6.1 (-14.4) 30.3 (1026) WNW 6
Midnight (5) Jan 18 16.0 (-8.9) 7.0 (-13.9) 30.31 (1026) NW 5
11 PM (4) Jan 17 17.1 (-8.3) 8.1 (-13.3) 30.32 (1026) NNW 10
10 PM (3) Jan 17 19.0 (-7.2) 7.0 (-13.9) 30.31 (1026) NNW 5
9 PM (2) Jan 17 21.9 (-5.6) 3.0 (-16.1) 30.3 (1026) WNW 13
8 PM (1) Jan 17 23.0 (-5.0) 6.1 (-14.4) 30.28 (1025) WNW 18
7 PM (0) Jan 17 25.0 (-3.9) 7.0 (-13.9) 30.25 (1024) NW 14
6 PM (23) Jan 17 27.0 (-2.8) 6.1 (-14.4) 30.22 (1023) NW 12
Oldest 5 PM (22) Jan 17 30.0 (-1.1) 5.0 (-15.0) 30.2 (1022) WNW 13
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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