847
ASUS43 KLOT 171401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-171500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 30 27 88 SW5 29.98R WCI 25 TC -1
STERLING* PTCLDY 28 27 96 W6 29.99R WCI 22 TC -2
SAVANNA* PTCLDY 31 27 83 NW6 29.96S WCI 26 TC 0
ILZ003-004-008-010-011-017-018-171500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 29 27 92 W6 29.96R WCI 23 TC -2
FREEPORT* PTCLDY 32 29 90 NW12 29.96R WCI 23 TC 0
DE KALB* PTCLDY 31 29 92 CALM 29.95R TC 0
ILZ005-006-012>014-019>023-171500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 34 30 85 SW5 29.93R WCI 30 TC 1
CHICAGO-MIDWAY MOCLDY 33 30 88 W7 29.95R WCI 27 TC 1
AURORA PTCLDY 25 24 96 CALM 29.95R FOG TC -4
JOLIET* PTCLDY 34 32 91 SW3 29.96R TC 1
WAUKEGAN PTCLDY 27 26 96 SW5 29.91R WCI 22 TC -3
DUPAGE AIRPORT PTCLDY 32 29 88 W9 29.94R WCI 24 TC 0
WHEELING PTCLDY 29 28 96 SW3 29.94R TC -2
MORRIS* CLEAR 31 30 96 W6 29.95R WCI 25 TC -1
ROMEOVILLE* CLEAR 34 32 93 SW5 29.95R WCI 30 TC 1
LANSING* PTCLDY 28 24 87 SW3 29.95R TC -2
NORTHERLY ISL* N/A 36 30 79 SW1 N/A TC 2
LMZ740>746-171500-
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 38 260/ 11/ 12 N/A
NORTHERLY ISL 35 120/ 3/ 6 N/A
CALUMET HARBOR 35 210/ 4/ 8 1013.0
BURNS HARBOR 37 220/ 5/ 7 1014.2R
MICHIGAN CITY 37 230/ 13/ 14 1013.8R
ILZ025>027-034>036-040-047-049-050-058-095>099-171500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 36 32 85 W5 30.03R WCI 32 TC 2
MACOMB* CLEAR 31 28 90 W3 30.03R TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-171500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 32 29 90 W7 29.97S WCI 25 TC 0
BLOOMINGTON CLEAR 35 31 85 SW7 29.99R WCI 29 TC 2
DECATUR CLEAR 37 32 82 W7 30.00S WCI 32 TC 3
PEORIA CLEAR 31 28 89 W3 30.00R TC -1
LINCOLN* CLEAR 34 32 93 CALM 30.02R TC 1
SPRINGFIELD CLEAR 34 32 92 W3 30.02R TC 1
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 30 28 92 W7 30.00R WCI 23 TC -1
DANVILLE* PTCLDY 33 29 86 SW6 30.00R WCI 28 TC 1
RANTOUL* CLEAR 34 30 86 W12 29.99R WCI 25 TC 1
MATTOON PTCLDY 36 28 73 S9 30.00R WCI 29 TC 2
PARIS* PTCLDY 33 26 76 SW10 30.00F WCI 25 TC 1
ILZ079-100>102-171500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 36 28 75 CALM 30.03R TC 2
BELLEVILLE PTCLDY 36 26 67 CALM 30.03R TC 2
CAHOKIA* PTCLDY 32 25 75 CALM 30.03R TC 0
SPARTA* PTCLDY 39 26 59 S10 30.06R WCI 32 TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 37 27 67 S6 30.07S WCI 32 TC 3
CAIRO* MOCLDY 44 32 64 S3 30.12S TC 7
EFFINGHAM* PTCLDY 37 29 74 S5 30.05R WCI 33 TC 3
MARION MOCLDY 41 28 60 S7 30.07F TC 5
MT. VERNON PTCLDY N/A N/A N/A SW7 30.05F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 39 29 65 SW3 30.04R TC 4
METROPOLIS* MOCLDY 45 27 49 CALM 30.11S TC 7
ILZ067-068-072-073-078-083-087-091-171500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 36 27 69 SW3 30.05R TC 2
FLORA* PTCLDY 37 28 70 SW5 30.05R WCI 34 TC 3
FAIRFIELD* PTCLDY 35 26 69 S8 30.04F WCI 29 TC 2
HARRISBURG* MOCLDY 41 25 54 SW5 30.08F TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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