851
ASUS43 KLOT 170910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-171000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 39 32 76 W10 29.89R WCI 32 TC 4
STERLING* MOCLDY 37 33 85 W14 29.87R WCI 28 TC 3
SAVANNA* PTCLDY 38 31 76 W7 29.87R WCI 33 TC 4
ILZ003-004-008-010-011-017-018-171000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 38 31 76 W6 29.84R WCI 33 TC 3
FREEPORT* PTCLDY 37 32 82 W9 29.84R WCI 30 TC 3
DE KALB* MOCLDY 36 32 85 CALM 29.82R TC 2
PERU* MOCLDY 40 32 73 W13 29.86F TC 5
ILZ005-006-012>014-019>023-171000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 38 31 76 W9 29.81R WCI 31 TC 3
CHICAGO-MIDWAY CLOUDY 39 32 76 W13 29.82R WCI 31 TC 4
AURORA MOCLDY 37 32 82 W14 29.82R WCI 28 TC 3
JOLIET* MOCLDY 39 33 80 W6 29.86R WCI 35 TC 4
WAUKEGAN MOCLDY 39 31 72 W10G20 29.76R WCI 32 TC 4
DUPAGE AIRPORT MOCLDY 37 32 82 SW8 29.79S WCI 31 TC 3
WHEELING MOCLDY 40 31 70 W8 29.81R TC 4
MORRIS* MOCLDY 38 33 85 W10 29.84R WCI 30 TC 3
ROMEOVILLE* MOCLDY 37 32 81 W13 29.85R WCI 29 TC 3
LANSING* CLOUDY 37 29 71 SW9 29.83R WCI 31 TC 3
NORTHERLY ISL* N/A 39 31 73 W9 N/A WCI 33 TC 4
LMZ740>746-171000-
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 40 250/ 10/ 11 N/A
NORTHERLY ISL 40 250/ 9/ 14 N/A
CALUMET HARBOR 39 230/ 7/ 10 1009.1R
BURNS HARBOR 39 230/ 5/ 9 1010.5R
MICHIGAN CITY 40 220/ 16/ 17 1009.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-171000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 41 34 76 W6 29.97R TC 5
GALESBURG* MOCLDY 37 35 94 W8 29.92S WCI 30 TC 3
MACOMB* MOCLDY 38 33 82 W12 29.97R WCI 30 TC 3
JACKSONVILLE* MOCLDY 41 33 74 W9 29.96R TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-171000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 37 32 83 SW10 29.88R WCI 30 TC 3
BLOOMINGTON CLOUDY 39 34 82 SW10 29.91R WCI 32 TC 4
DECATUR MOCLDY 38 28 67 SW14 29.93R WCI 30 TC 3
PEORIA MOCLDY 40 32 73 W8 29.92R TC 4
LINCOLN* MOCLDY 39 32 75 CALM 29.94R TC 4
SPRINGFIELD MOCLDY 39 34 82 W6 29.95R WCI 35 TC 4
TAYLORVILLE CLOUDY 37 30 74 SW10 29.96R WCI 30 TC 3
ILZ033-039-045-046-055>057-062-063-171000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 36 28 73 SW18 29.92R WCI 26 TC 2
DANVILLE* MOCLDY 38 28 68 SW14 29.92S WCI 29 TC 3
RANTOUL* MOCLDY 35 29 80 SW13 29.91R WCI 26 TC 2
MATTOON PTCLDY 38 27 64 SW10 29.95R WCI 31 TC 3
PARIS* MOCLDY 37 27 66 SW14 29.95R WCI 28 TC 3
ILZ079-100>102-171000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 35 26 70 S7 29.99S WCI 29 TC 2
BELLEVILLE PTCLDY 39 26 59 SW6 29.99R WCI 34 TC 4
CAHOKIA* PTCLDY 44 24 45 SW6 30.00R TC 7
SPARTA* MOCLDY 41 25 52 S9 30.04R TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 43 26 51 S8 30.05S TC 6
CAIRO* CLOUDY 47 27 45 SW8 30.11R TC 9
EFFINGHAM* MOCLDY 40 28 63 S7 30.00R TC 4
MARION MOCLDY 44 24 43 SW9 30.07R TC 7
MT. VERNON MOCLDY N/A N/A N/A SW12 30.03R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 43 27 52 SW13 30.00R TC 6
METROPOLIS* CLOUDY 48 19 32 CALM 30.10R TC 9
ILZ067-068-072-073-078-083-087-091-171000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 40 23 50 SW15 30.00S TC 4
FLORA* MOCLDY 43 27 52 SW13 30.01R TC 6
FAIRFIELD* MOCLDY 42 24 48 SW7 30.03S TC 6
HARRISBURG* MOCLDY 45 21 39 SW10 30.07S TC 7
ROBINSON* CLOUDY 41 27 56 SW14 29.98R TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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