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Current Weather Conditions:
Marion, Williamson County Regional Airport, IL, United States

NWS Point Forecast for KMWA (KMWA) 37-45-01N 089-00-04W

Conditions at

2026.01.18 1445 UTC
Wind from the WSW (250 degrees) at 6 MPH (5 KT)
Visibility 10 mile(s)
Sky conditions partly cloudy
Temperature 15 F (-9 C)
Windchill 6 F (-14 C)
Dew Point 5 F (-15 C)
Relative Humidity 61%
Pressure (altimeter) 30.23 in. Hg (1023 hPa)
ob KMWA 181445Z 25005KT 10SM SCT120 M09/M15 A3023

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
15.1 (-9.4) 11.8 (-11.2) In the 6 hours preceding Jan 18, 2026 - 06:55 AM EST / 2026.01.18 1155 UTC
34.0 (1.1) 14.9 (-9.5) In the 24 hours preceding Jan 18, 2026 - 12:55 AM EST / 2026.01.18 0555 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 10 AM (15) Jan 18 15 (-9) 5 (-15) 30.23 (1023) WSW 6
9 AM (14) Jan 18 12 (-11) 6 (-14) 30.22 (1023) W 6
8 AM (13) Jan 18 10 (-12) 3 (-16) 30.22 (1023) W 5
7 AM (12) Jan 18 11.5 (-11.4) 2.5 (-16.4) 30.23 (1023) Calm
6 AM (11) Jan 18 12.2 (-11.0) 2.7 (-16.3) 30.23 (1023) Calm
5 AM (10) Jan 18 12.6 (-10.8) 3.7 (-15.7) 30.25 (1024) Calm
4 AM (9) Jan 18 12.9 (-10.6) 3.6 (-15.8) 30.26 (1024) Calm
3 AM (8) Jan 18 14.0 (-10.0) 3.0 (-16.1) 30.28 (1025) Calm
2 AM (7) Jan 18 14.2 (-9.9) 4.1 (-15.5) 30.29 (1025) Calm
1 AM (6) Jan 18 14.9 (-9.5) 4.1 (-15.5) 30.3 (1026) Calm
Midnight (5) Jan 18 15.4 (-9.2) 3.2 (-16.0) 30.31 (1026) Calm
11 PM (4) Jan 17 16.7 (-8.5) 5.4 (-14.8) 30.32 (1026) NW 5
10 PM (3) Jan 17 18.1 (-7.7) 4.8 (-15.1) 30.32 (1026) NW 3
9 PM (2) Jan 17 21.0 (-6.1) 1.6 (-16.9) 30.32 (1026) NW 9
8 PM (1) Jan 17 21.9 (-5.6) 2.5 (-16.4) 30.3 (1026) NNW 12
7 PM (0) Jan 17 24 (-4) 8 (-13) 30.24 (1024) NNW 15
6 PM (23) Jan 17 26 (-3) 8 (-13) 30.21 (1023) NW 12
5 PM (22) Jan 17 28 (-2) 6 (-14) 30.19 (1022) WNW 10
4 PM (21) Jan 17 30 (-1) 8 (-13) 30.18 (1022) WNW 21
3 PM (20) Jan 17 30 (-1) 12 (-11) 30.17 (1021) WNW 15
2 PM (19) Jan 17 28 (-2) 17 (-8) 30.16 (1021) NW 17
1 PM (18) Jan 17 28 (-2) 15 (-9) 30.17 (1021) NW 12
Noon (17) Jan 17 30 (-1) 19 (-7) 30.13 (1020) WNW 14
Oldest 11 AM (16) Jan 17 30 (-1) 17 (-8) 30.12 (1019) W 17
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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