312
ASUS43 KLOT 170806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-170900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 39 32 76 W10 29.87R WCI 32 TC 4
STERLING* CLOUDY 37 33 85 W13 29.85R WCI 29 TC 3
SAVANNA* CLOUDY 38 31 76 W7 29.83R WCI 33 TC 4
ILZ003-004-008-010-011-017-018-170900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 38 31 76 SW6 29.81R WCI 33 TC 3
FREEPORT* CLOUDY 38 32 79 W10 29.82R WCI 31 TC 3
DE KALB* CLOUDY 36 32 85 W14 29.80R WCI 27 TC 2
PERU* CLOUDY 40 32 71 W10 29.82S TC 5
ILZ005-006-012>014-019>023-170900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 38 31 76 W15 29.77R WCI 29 TC 3
CHICAGO-MIDWAY CLOUDY 39 32 76 W13G24 29.79R WCI 31 TC 4
AURORA CLOUDY 36 32 85 W8 29.80R WCI 30 TC 2
JOLIET* CLOUDY 40 33 76 W7 29.82R TC 5
WAUKEGAN MOCLDY 38 31 76 W12G21 29.75R WCI 30 TC 3
DUPAGE AIRPORT CLOUDY 36 32 85 W9 29.79R WCI 29 TC 2
WHEELING MOCLDY 39 31 72 W6 29.79R WCI 35 TC 4
MORRIS* CLOUDY 37 33 87 W12 29.82R WCI 29 TC 3
ROMEOVILLE* CLOUDY 37 32 81 SW12 29.82R WCI 30 TC 3
LANSING* MOCLDY 37 28 71 SW14 29.81R WCI 28 TC 3
NORTHERLY ISL* N/A 40 31 70 SW10 N/A TC 4
LMZ740>746-170900-
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 41 260/ 19/ 21 N/A
NORTHERLY ISL 40 230/ 8/ 17 N/A
CALUMET HARBOR 39 210/ 8/ 13 1007.9
BURNS HARBOR 39 220/ 11/ 13 1009.5R
MICHIGAN CITY 40 220/ 18/ 21 1008.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 42 34 73 W8 29.94R TC 6
GALESBURG* CLOUDY 38 36 89 W12 29.91R WCI 31 TC 4
MACOMB* MOCLDY 38 33 83 W12 29.94R WCI 30 TC 3
JACKSONVILLE* MOCLDY 41 33 74 SW9 29.93R TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 37 32 83 SW12 29.86R WCI 29 TC 3
BLOOMINGTON CLOUDY 36 31 82 SW13 29.88R WCI 27 TC 2
DECATUR CLOUDY 39 27 62 SW15 29.92R WCI 31 TC 4
PEORIA MOCLDY 41 33 73 W8 29.89R TC 5
LINCOLN* MOCLDY 39 31 71 SW5 29.91R TC 4
SPRINGFIELD CLOUDY 38 32 79 SW7 29.93R WCI 33 TC 3
TAYLORVILLE MOCLDY 37 29 74 SW10 29.95R WCI 29 TC 3
ILZ033-039-045-046-055>057-062-063-170900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 37 28 70 SW17 29.91R WCI 27 TC 3
DANVILLE* MOCLDY 38 27 64 SW12 29.92R WCI 30 TC 3
RANTOUL* CLOUDY 35 28 74 SW17 29.89R WCI 25 TC 2
MATTOON MOCLDY 39 26 59 SW10G22 29.92F WCI 32 TC 4
PARIS* MOCLDY 38 26 61 SW20 29.93S WCI 29 TC 4
ILZ079-100>102-170900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 36 26 67 SW6 29.98R WCI 31 TC 2
BELLEVILLE MOCLDY 39 26 60 S7 29.98R WCI 34 TC 4
CAHOKIA* MOCLDY 45 26 47 SW5 29.99R TC 7
SPARTA* MOCLDY 41 25 52 S7 30.02S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 44 25 47 SW12 30.05R TC 7
CAIRO* CLOUDY 47 26 43 SW8 30.09S TC 9
EFFINGHAM* MOCLDY 41 27 58 SW8 29.98F TC 5
MARION PTCLDY 45 22 41 SW13G18 30.06R TC 7
MT. VERNON MOCLDY N/A N/A N/A SW14 30.02R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 44 27 50 SW13 29.99S TC 7
METROPOLIS* CLOUDY 47 18 31 CALM 30.08S TC 8
ILZ067-068-072-073-078-083-087-091-170900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 40 23 50 SW15 30.00R TC 4
FLORA* MOCLDY 43 27 52 CALM 30.00S TC 6
FAIRFIELD* MOCLDY 42 22 45 SW7 30.02R TC 6
HARRISBURG* MOCLDY 46 20 36 SW10G16 30.06R TC 8
ROBINSON* CLOUDY 39 25 56 SW14 29.97F 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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