558
ASUS43 KLOT 230210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CST MON DEC 22 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.
ILZ001-002-007-009-015-016-024-230300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 37 27 67 S6 29.97F WCI 32 TC 3
STERLING* CLOUDY 40 30 67 CALM 30.01S TC 4
SAVANNA* CLOUDY 38 29 69 S5 30.01S WCI 35 TC 3
ILZ003-004-008-010-011-017-018-230300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 38 29 70 CALM 30.02S TC 3
FREEPORT* CLOUDY 37 32 81 S3 30.02R TC 3
DE KALB* CLOUDY 37 30 76 MISG 30.02S TC 3
PERU* CLOUDY 41 31 68 S6 30.03R TC 5
ILZ005-006-012>014-019>023-230300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 25 49 S8 30.01F TC 6
CHICAGO-MIDWAY CLOUDY 44 25 47 SW9 30.03F TC 7
AURORA CLOUDY 40 30 67 S7 30.01F TC 4
JOLIET* CLOUDY 44 29 54 S5 30.03F TC 7
WAUKEGAN CLOUDY 38 29 70 SE3 30.01F TC 3
DUPAGE AIRPORT CLOUDY 42 31 64 S7 30.01F TC 6
KANKAKEE* CLOUDY 43 28 55 S7 30.05S TC 6
WHEELING CLOUDY 43 26 51 S9 30.03F TC 6
MORRIS* CLOUDY 41 32 71 S5 30.02S TC 5
LANSING* CLOUDY 42 20 42 S8 30.04F TC 6
NORTHERLY ISL* N/A 44 22 41 S13 N/A TC 7
LMZ740>746-230300-
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)
NORTHERLY ISL 44 190/ 11/ 11 N/A
CALUMET HARBOR 44 190/ 5/ 8 1016.7
BURNS HARBOR 44 190/ 6/ 8 1017.9S
ILZ025>027-034>036-040-047-049-050-058-095>099-230300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 41 29 62 S5 30.00R TC 5
GALESBURG* CLEAR 35 32 88 SE6 30.00F WCI 30 TC 2
MACOMB* CLEAR 35 29 78 SE5 30.03R WCI 31 TC 2
JACKSONVILLE* CLEAR 43 29 58 S6 30.02R TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-230300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 42 29 61 S13 30.03R TC 6
BLOOMINGTON CLOUDY 42 30 62 S12 30.02F TC 6
DECATUR CLOUDY 45 31 58 S12 30.04S TC 7
PEORIA CLOUDY 43 30 60 CALM 30.04R TC 6
LACON* CLOUDY 43 27 52 CALM 30.03R TC 6
LINCOLN* CLOUDY 44 29 56 S8 30.03R TC 7
SPRINGFIELD PTCLDY 43 31 62 S9 30.03R TC 6
TAYLORVILLE CLOUDY 46 33 60 S14 30.04R TC 8
ILZ033-039-045-046-055>057-062-063-230300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 43 32 65 S12 30.03F TC 6
DANVILLE* CLOUDY 47 31 54 S13 30.06F TC 9
RANTOUL* CLOUDY 41 32 70 S8 30.03F TC 5
MATTOON CLOUDY 48 34 58 S10 30.05S TC 9
PARIS* CLOUDY 46 34 64 S12 30.07S TC 8
ILZ079-100>102-230300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 48 40 74 SW13 30.06 TC 9
CAHOKIA* CLEAR 44 31 60 S9 30.05F TC 7
SPARTA* CLOUDY 49 46 87 S15 30.09R TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 51 47 86 S15G25 30.09S TC 11
CAIRO* CLOUDY 54 49 83 S12G18 30.13F TC 12
EFFINGHAM* CLOUDY 48 34 58 SE8 30.08S TC 9
MARION CLOUDY 51 47 87 S15G22 30.11S TC 11
MT. VERNON CLOUDY 51 45 79 S12 30.09R TC 11
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 52 42 67 S12G21 30.08R TC 11
METROPOLIS* CLOUDY 53 47 79 CALM 30.14S TC 12
ILZ067-068-072-073-078-083-087-091-230300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 49 42 77 S14 30.10F TC 9
FAIRFIELD* CLOUDY 50 44 78 S10 30.10S TC 10
HARRISBURG* CLOUDY 52 47 84 S9 30.11F TC 11
ROBINSON* CLOUDY 50 43 76 S14 30.08S TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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