325
ASUS43 KLOT 221501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST MON DEC 22 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-221600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 37 21 52 S12 30.17F WCI 29 TC 3
STERLING* PTSUNNY 35 22 58 VRB6 30.22F WCI 30 TC 2
ILZ003-004-008-010-011-017-018-221600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 34 22 61 SE9 30.24F WCI 27 TC 1
FREEPORT* PTSUNNY 35 22 60 S15G21 30.21F WCI 25 TC 2
ILZ005-006-012>014-019>023-221600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 37 17 44 S10 30.29F WCI 30 TC 3
CHICAGO-MIDWAY PTSUNNY 37 17 44 S15G25 30.30F WCI 28 TC 3
AURORA PTSUNNY 35 22 58 S13 30.27F WCI 26 TC 2
JOLIET* PTSUNNY 36 22 56 S9 30.30F WCI 29 TC 2
WAUKEGAN CLOUDY 35 21 56 S12 30.27F WCI 27 TC 2
DUPAGE AIRPORT PTSUNNY 36 20 52 S13 30.27F WCI 27 TC 2
WHEELING PTSUNNY 37 18 46 S10 30.30F WCI 30 TC 3
MORRIS* PTSUNNY 34 24 67 S10 30.28F WCI 26 TC 1
ROMEOVILLE* MOSUNNY 32 21 64 S10 30.35 WCI 24 TC 0
LANSING* PTSUNNY 36 15 42 SE10 30.33F WCI 28 TC 2
NORTHERLY ISL* N/A 37 18 46 S12 N/A WCI 29 TC 3
LMZ740>746-221600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
NORTHERLY ISL 35 170/ 8/ 8 N/A
CALUMET HARBOR 36 150/ 9/ 12 1026.2F
BURNS HARBOR 37 160/ 6/ 12 1027.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-221600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 38 20 48 S9 30.20F WCI 31 TC 3
MACOMB* CLOUDY 35 24 63 S9 30.25S WCI 28 TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-221600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 35 23 62 S10 30.30F WCI 27 TC 2
BLOOMINGTON MOSUNNY 34 23 64 S15 30.29F WCI 24 TC 1
DECATUR MOSUNNY 34 22 61 SE7 30.31F WCI 28 TC 1
PEORIA PTSUNNY 36 20 52 S10 30.26F WCI 28 TC 2
LINCOLN* MOSUNNY 35 23 62 S8 30.29F WCI 28 TC 1
SPRINGFIELD MOSUNNY 36 19 50 S10G21 30.28F WCI 28 TC 2
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-221600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 33 25 72 SE12 30.33F WCI 24 TC 1
MATTOON MOSUNNY 36 19 50 SE10 30.32F WCI 28 TC 2
PARIS* MOSUNNY 34 22 63 SE8 30.37F WCI 27 TC 1
ILZ079-100>102-221600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 28 23 80 SE9 30.27F WCI 20 TC -2
BELLEVILLE MOSUNNY 35 25 67 S7 30.28F WCI 29 TC 2
CAHOKIA* CLOUDY 37 22 54 S8G20 30.26F WCI 31 TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 33 25 72 CALM 30.33S TC 1
EFFINGHAM* MOSUNNY 33 23 65 E9 30.36S WCI 26 TC 1
MARION MOSUNNY 37 21 52 SE6 30.33F WCI 33 TC 3
MT. VERNON MOSUNNY 38 21 50 SE5 30.35S WCI 34 TC 3
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 36 21 54 SE9 30.33S WCI 29 TC 2
METROPOLIS* SUNNY 40 21 46 CALM 30.35S TC 4
ILZ067-068-072-073-078-083-087-091-221600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 35 23 61 E7 30.37F WCI 29 TC 2
FAIRFIELD* MOSUNNY 35 22 59 CALM 30.35F TC 2
HARRISBURG* MOSUNNY 37 23 57 E5 30.35F WCI 33 TC 3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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