904
ASUS43 KLOT 171601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-171700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 35 29 78 W7 30.02R WCI 29 TC 2
STERLING* MOSUNNY 33 29 85 SW5 30.03R WCI 29 TC 1
SAVANNA* PTSUNNY 33 27 77 CALM 30.02R TC 1
ILZ003-004-008-010-011-017-018-171700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 33 29 85 W6 30.02R WCI 28 TC 1
FREEPORT* PTSUNNY 33 29 86 NW8 30.01R WCI 26 TC 1
DE KALB* PTSUNNY 32 29 89 CALM 30.01R TC 0
ILZ005-006-012>014-019>023-171700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 37 30 75 W6 29.99R WCI 32 TC 3
CHICAGO-MIDWAY PTSUNNY 38 31 76 NW7 30.01R WCI 33 TC 3
AURORA PTSUNNY 31 27 85 W6 30.01R FOG WCI 25
JOLIET* PTSUNNY 37 32 82 CALM 30.02R TC 3
WAUKEGAN MOSUNNY 34 29 82 W3 29.99R TC 1
DUPAGE AIRPORT MOSUNNY 35 30 82 NW6 30.01R WCI 30 TC 2
WHEELING MOSUNNY 37 31 78 NW5 30.01R WCI 33 TC 3
MORRIS* MOSUNNY 34 32 91 W5 30.02R WCI 30 TC 1
ROMEOVILLE* SUNNY 36 32 87 W7 30.02R WCI 30 TC 2
LANSING* MOSUNNY 37 29 71 NW8 30.01R WCI 31 TC 3
NORTHERLY ISL* N/A 38 31 76 W6 N/A WCI 33 TC 3
LMZ740>746-171700-
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 37 290/ 8/ 8 N/A
NORTHERLY ISL 37 250/ 5/ 8 N/A
CALUMET HARBOR 37 260/ 4/ 6 1015.4
BURNS HARBOR 36 260/ 6/ 7 1016.6R
MICHIGAN CITY 36 240/ 12/ 13 1016.0R
ILZ025>027-034>036-040-047-049-050-058-095>099-171700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 41 34 76 N3 30.03R TC 5
GALESBURG* PTSUNNY 35 34 99 NW5 30.03F WCI 30 TC 1
MACOMB* MOSUNNY 35 31 85 CALM 30.06R TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-171700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 37 31 81 W6 30.03R WCI 32 TC 3
BLOOMINGTON MOSUNNY 39 32 76 W8 30.03R WCI 33 TC 4
DECATUR MOSUNNY 43 33 68 NW7 30.03S TC 6
PEORIA SUNNY 38 31 76 N5 30.04R WCI 34 TC 3
LINCOLN* MOSUNNY 42 30 62 CALM 30.04R TC 5
SPRINGFIELD MOSUNNY 39 32 76 W5 30.04R TC 4
TAYLORVILLE MOSUNNY 41 35 79 W7 30.04F TC 5
ILZ033-039-045-046-055>057-062-063-171700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 35 31 85 W5 30.03R WCI 31 TC 2
DANVILLE* MOSUNNY 40 32 74 SW5 30.05R TC 4
RANTOUL* MOSUNNY 36 31 83 W6 30.03R WCI 31 TC 2
MATTOON SUNNY 42 31 64 SW7 30.05R TC 6
PARIS* SUNNY 38 29 69 SW9 30.06R WCI 32 TC 4
ILZ079-100>102-171700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 46 36 66 W3 30.06R TC 8
CAHOKIA* SUNNY 48 33 56 VRB3 30.06R TC 9
SPARTA* SUNNY 48 29 48 SW6 30.07S TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 49 29 46 SW7 30.08S TC 9
CAIRO* SUNNY 49 35 58 SW6 30.11F TC 10
EFFINGHAM* SUNNY 44 31 59 SW6 30.09R TC 7
MARION SUNNY 48 30 49 S9 30.08S TC 9
MT. VERNON SUNNY N/A N/A N/A SW7 30.08R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 48 30 51 W6 30.08R TC 9
METROPOLIS* MOSUNNY 50 32 50 CALM 30.11S TC 10
ILZ067-068-072-073-078-083-087-091-171700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 46 30 53 SW9 30.09R TC 8
FLORA* MOSUNNY 46 30 53 W6 30.09R TC 8
FAIRFIELD* MOSUNNY 47 29 50 SW5 30.08R TC 8
HARRISBURG* SUNNY 50 28 41 SW9 30.09S TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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