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:
Marion, Williamson County Regional Airport, IL, United States

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

Conditions at

2026.01.16 1015 UTC
Wind from the SSW (210 degrees) at 16 MPH (14 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 34.0 F (1.1 C)
Windchill 23 F (-5 C)
Dew Point 14.9 F (-9.5 C)
Relative Humidity 45%
Pressure (altimeter) 29.77 in. Hg (1008 hPa)
ob KMWA 161015Z AUTO 21014KT 10SM OVC065 01/M09 A2977 RMK AO2 T00111095

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
30.2 (-1.0) 23.0 (-5.0) In the 6 hours preceding Jan 16, 2026 - 12:55 AM EST / 2026.01.16 0555 UTC
30.7 (-0.7) 18.0 (-7.8) In the 24 hours preceding Jan 16, 2026 - 12:55 AM EST / 2026.01.16 0555 UTC

Precipitation Accumulation

Precipitation
Amount
0.01 inches In the 24 hours preceding Jan 15, 2026 - 06:55 AM EST / 2026.01.15 1155 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 5 AM (10) Jan 16 34.0 (1.1) 14.9 (-9.5) 29.77 (1008) SSW 16
4 AM (9) Jan 16 33.1 (0.6) 14.7 (-9.6) 29.77 (1008) SSW 14
3 AM (8) Jan 16 32.4 (0.2) 14.0 (-10.0) 29.79 (1008) S 16
2 AM (7) Jan 16 32.0 (0.0) 12.9 (-10.6) 29.81 (1009) S 17
1 AM (6) Jan 16 30.6 (-0.8) 13.5 (-10.3) 29.85 (1010) S 10
Midnight (5) Jan 16 29.8 (-1.2) 13.5 (-10.3) 29.88 (1011) SSW 13 light snow
11 PM (4) Jan 15 28.4 (-2.0) 11.7 (-11.3) 29.9 (1012) S 12
10 PM (3) Jan 15 27.3 (-2.6) 10.8 (-11.8) 29.92 (1013) S 12
9 PM (2) Jan 15 25.5 (-3.6) 9.7 (-12.4) 29.92 (1013) S 10
8 PM (1) Jan 15 25.2 (-3.8) 7.2 (-13.8) 29.94 (1013) S 8
7 PM (0) Jan 15 28 (-2) 6 (-14) 29.98 (1015) SW 6
6 PM (23) Jan 15 30 (-1) 6 (-14) 29.98 (1015) SW 6
5 PM (22) Jan 15 32 (0) 8 (-13) 30.01 (1016) WSW 9
4 PM (21) Jan 15 33 (1) 8 (-13) 30.01 (1016) W 9
3 PM (20) Jan 15 32 (0) 6 (-14) 30.03 (1016) WSW 6
2 PM (19) Jan 15 28 (-2) 10 (-12) 30.06 (1017) NW 5
1 PM (18) Jan 15 28 (-2) 10 (-12) 30.09 (1018) NW 9
Noon (17) Jan 15 26 (-3) 10 (-12) 30.12 (1019) NNW 9
11 AM (16) Jan 15 24 (-4) 10 (-12) 30.14 (1020) NW 12
10 AM (15) Jan 15 21 (-6) 10 (-12) 30.12 (1019) NNW 14
9 AM (14) Jan 15 17 (-8) 10 (-12) 30.13 (1020) NNW 9
8 AM (13) Jan 15 17 (-8) 8 (-13) 30.11 (1019) NNW 8
7 AM (12) Jan 15 18.9 (-7.3) 7.2 (-13.8) 30.12 (1019) NNW 5
Oldest 6 AM (11) Jan 15 20.1 (-6.6) 7.7 (-13.5) 30.1 (1019) NNW 6
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