887
ASUS43 KLOT 171506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST WED DEC 17 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.
ILZ001-002-007-009-015-016-024-171600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 33 29 85 W7 30.01R WCI 27 TC 1
STERLING* MOSUNNY 30 29 96 SW7 30.00R WCI 23 TC -1
SAVANNA* MOSUNNY 32 27 83 CALM 30.00R TC 0
ILZ003-004-008-010-011-017-018-171600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 32 28 85 W7 29.98R WCI 26 TC 0
FREEPORT* MOSUNNY 32 29 88 NW8 29.99R WCI 25 TC 0
DE KALB* MOSUNNY 32 29 90 CALM 29.97R TC 0
PERU* MOSUNNY 34 30 85 W3 30.00R TC 1
ILZ005-006-012>014-019>023-171600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 35 30 82 W7 29.97R WCI 29 TC 2
CHICAGO-MIDWAY PTSUNNY 35 31 85 W8 29.99R WCI 29 TC 2
AURORA MOSUNNY 30 27 88 W8 29.98R FOG WCI 22
JOLIET* MOSUNNY 37 32 85 W3 30.00R TC 3
WAUKEGAN MOSUNNY 34 30 85 VRB5 29.95R WCI 30 TC 1
DUPAGE AIRPORT MOSUNNY 33 29 85 W8 29.97R WCI 26 TC 1
WHEELING MOSUNNY 35 31 85 VRB5 29.99R WCI 31 TC 2
MORRIS* MOSUNNY 32 31 95 W7 29.99R WCI 26 TC 0
ROMEOVILLE* SUNNY 34 32 93 W3 30.00R TC 1
LANSING* MOSUNNY 34 30 84 W6 29.99R WCI 29 TC 1
NORTHERLY ISL* N/A 36 30 79 W7 N/A WCI 30 TC 2
LMZ740>746-171600-
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)
HARRISON CRIB 37 260/ 10/ 10 N/A
NORTHERLY ISL 36 260/ 7 N/A
CALUMET HARBOR 35 210/ 4/ 4 1014.1
BURNS HARBOR 36 250/ 6/ 8 1015.2R
MICHIGAN CITY 36 240/ 15/ 17 1014.7R
ILZ025>027-034>036-040-047-049-050-058-095>099-171600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 39 34 82 SW3 30.02F TC 4
GALESBURG* MOSUNNY 33 33 100 W5 30.03R WCI 29 TC 1
MACOMB* MOSUNNY 32 28 87 W3 30.04R TC 0
JACKSONVILLE* MOSUNNY 36 32 85 CALM 30.03S TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-171600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 33 30 88 W8 30.02R WCI 26 TC 1
BLOOMINGTON MOSUNNY 36 32 85 W8 30.02R WCI 30 TC 2
DECATUR SUNNY 39 32 76 W6 30.03R WCI 35 TC 4
PEORIA MOSUNNY 35 30 82 W3 30.02R TC 2
LINCOLN* MOSUNNY 38 30 71 CALM 30.03R TC 4
SPRINGFIELD MOSUNNY 38 32 79 SW6 30.03R WCI 33 TC 3
TAYLORVILLE SUNNY 39 33 80 W6 30.05R WCI 35 TC 4
ILZ033-039-045-046-055>057-062-063-171600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 30 27 88 W9 30.02R WCI 22 TC -1
DANVILLE* SUNNY 37 31 81 SW7 30.02S WCI 31 TC 3
RANTOUL* MOSUNNY 36 31 82 W9 30.01R WCI 29 TC 2
MATTOON SUNNY 39 28 64 SW8 30.03R WCI 33 TC 4
PARIS* SUNNY 36 28 70 SW10 30.04R WCI 29 TC 2
ILZ079-100>102-171600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 41 32 70 CALM 30.04R TC 5
BELLEVILLE MOSUNNY 41 28 60 CALM 30.04R TC 5
CAHOKIA* MOSUNNY 43 29 57 CALM 30.05R TC 6
SPARTA* SUNNY 42 27 54 SW8 30.06S TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 45 28 51 SW8 30.08R TC 7
CAIRO* MOSUNNY 46 35 63 SW6 30.12R TC 8
EFFINGHAM* MOSUNNY 40 29 66 SW6 30.07R TC 4
MARION MOSUNNY 45 28 53 SW9 30.08R TC 7
MT. VERNON MOSUNNY N/A N/A N/A S8 30.06R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 44 29 54 SW5 30.05R TC 7
METROPOLIS* MOSUNNY 47 30 51 CALM 30.11S TC 9
ILZ067-068-072-073-078-083-087-091-171600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 42 31 64 S8 30.06R TC 6
FLORA* MOSUNNY 43 28 56 SW6 30.06S TC 6
FAIRFIELD* SUNNY 42 28 57 SW3 30.06S TC 6
HARRISBURG* MOSUNNY 45 28 50 SW6 30.09R TC 7
ROBINSON* MOSUNNY 41 32 70 SW9 30.05R TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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