272
ASUS43 KLOT 170701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-170800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 39 32 76 W10 29.84R WCI 32 TC 4
STERLING* MOCLDY 37 32 82 W13 29.82R WCI 29 TC 3
SAVANNA* MOCLDY 38 31 75 SW5 29.79F WCI 35 TC 4
ILZ003-004-008-010-011-017-018-170800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 37 31 78 SW7 29.79R WCI 32 TC 3
FREEPORT* MOCLDY 38 32 80 W13 29.80R WCI 30 TC 3
DE KALB* MOCLDY 37 32 84 W14G21 29.78R WCI 28 TC 3
PERU* MOCLDY 41 32 70 W12 29.82R TC 5
ILZ005-006-012>014-019>023-170800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 39 30 70 W20G26 29.73R WCI 29 TC 4
CHICAGO-MIDWAY CLOUDY 40 31 70 W14G24 29.76S TC 4
AURORA MOCLDY 36 32 85 W12 29.77R WCI 28 TC 2
JOLIET* MOCLDY 40 33 76 SW5 29.81R TC 5
WAUKEGAN MOCLDY 39 31 72 W13G22 29.70R WCI 31 TC 4
DUPAGE AIRPORT MOCLDY 36 31 82 SW13 29.76R WCI 27 TC 2
WHEELING MOCLDY 39 31 72 W12G22 29.75R WCI 32 TC 4
MORRIS* CLOUDY 38 33 84 W12 29.79R WCI 30 TC 3
ROMEOVILLE* MOCLDY 39 32 75 SW15 29.79R WCI 31 TC 4
LANSING* CLOUDY 37 28 68 SW13 29.79S WCI 29 TC 3
NORTHERLY ISL* N/A 40 31 70 SW10 N/A TC 4
LMZ740>746-170800-
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 42 240/ 17/ 20 N/A
NORTHERLY ISL 40 240/ 11/ 15 N/A
CALUMET HARBOR 39 200/ 10/ 15 1006.9
BURNS HARBOR 40 220/ 10/ 13 1009.1R
MICHIGAN CITY 40 210/ 15/ 18 1008.0R
ILZ025>027-034>036-040-047-049-050-058-095>099-170800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY N/A 44 34 67 SW10 29.92R TC 7
GALESBURG* MOCLDY 39 36 87 W10 29.87R WCI 32 TC 4
MACOMB* MOCLDY 39 33 79 W10 29.90S WCI 32 TC 4
JACKSONVILLE* CLOUDY 42 34 74 SW13 29.91R TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-170800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 37 32 80 SW14 29.84R WCI 29 TC 3
BLOOMINGTON CLOUDY 36 30 79 SW16 29.86R WCI 26 TC 2
DECATUR MOCLDY 37 27 67 SW17 29.90F WCI 27 TC 3
PEORIA MOCLDY 37 33 85 SW7 29.86R WCI 32 TC 3
LINCOLN* CLOUDY 39 29 67 SW5 29.89S TC 4
SPRINGFIELD CLOUDY 40 31 70 SW12 29.89F TC 4
TAYLORVILLE MOCLDY 36 28 73 SW12 29.93S WCI 28 TC 2
ILZ033-039-045-046-055>057-062-063-170800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 37 27 67 SW17 29.88F WCI 27 TC 3
DANVILLE* PTCLDY 38 26 61 SW23G30 29.88F WCI 27 TC 3
RANTOUL* MOCLDY 36 27 71 SW20G26 29.87S WCI 25 TC 2
MATTOON MOCLDY 38 25 59 S13 29.93R WCI 30 TC 3
PARIS* MOCLDY 38 25 58 SW21 29.93R WCI 28 TC 4
ILZ079-100>102-170800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 35 25 68 S6 29.97S WCI 30 TC 2
BELLEVILLE MOCLDY 38 25 59 S6 29.97R WCI 33 TC 3
CAHOKIA* MOCLDY 44 24 45 SW7 29.97S TC 7
SPARTA* PTCLDY 40 24 53 S7 30.01S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 44 24 45 SW13 30.03S TC 7
CAIRO* CLOUDY 47 25 41 SW10 30.08F TC 8
EFFINGHAM* MOCLDY 40 27 59 S9 29.98S TC 4
MARION PTCLDY 45 21 38 SW13G18 30.04R TC 7
MT. VERNON PTCLDY N/A N/A N/A SW15G24 30.01R
SALEM* MOCLDY 44 26 50 SW15 29.98S TC 7
METROPOLIS* CLOUDY 47 17 30 CALM 30.07F TC 8
ILZ067-068-072-073-078-083-087-091-170800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 40 22 48 SW13 29.99R TC 4
FLORA* MOCLDY 43 25 49 SW13 29.99R TC 6
FAIRFIELD* PTCLDY 43 20 40 SW8 30.00S TC 6
HARRISBURG* PTCLDY 46 17 31 SW13 30.04S TC 8
ROBINSON* CLOUDY 39 25 56 SW14 29.97R WCI 31 TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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