985
ASUS43 KLOT 230512
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-230600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 37 28 70 CALM 29.96F TC 3
STERLING* CLEAR 38 29 70 VRB3 29.99F TC 3
SAVANNA* CLEAR 30 26 84 S6 29.96F WCI 24 TC -1
ILZ003-004-008-010-011-017-018-230600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 36 30 79 SE5 29.99F WCI 32 TC 2
FREEPORT* PTCLDY 36 31 82 SW8 29.97F WCI 29 TC 2
DE KALB* CLOUDY 37 31 81 MISG 30.00S TC 3
PERU* MOCLDY 38 30 73 S8 30.01S WCI 32 TC 3
ILZ005-006-012>014-019>023-230600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 27 53 SW7 29.99S TC 6
CHICAGO-MIDWAY CLOUDY 44 28 53 SW7G21 30.00F TC 7
AURORA CLOUDY 39 30 70 SW3 29.99F TC 4
JOLIET* CLOUDY 45 32 60 SW5 30.02R TC 7
WAUKEGAN CLOUDY 41 31 67 SW7 29.98S TC 5
DUPAGE AIRPORT CLOUDY 40 29 64 SW7 30.00R TC 4
KANKAKEE* CLOUDY 42 32 66 SW10 30.03S TC 6
WHEELING CLOUDY 43 28 55 SW5 30.01R TC 6
MORRIS* CLOUDY 40 32 73 SW6 30.00S TC 5
ROMEOVILLE* CLOUDY 43 30 61 S9 30.01S TC 6
LANSING* CLOUDY 42 26 52 SW6 30.01F TC 6
LMZ740>746-230600-
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 44 200/ 8/ 11 N/A
CALUMET HARBOR 44 200/ 6/ 7 1015.3F
BURNS HARBOR 44 180/ 6/ 8 1016.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-230600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 37 30 75 S8 30.00S WCI 31 TC 3
GALESBURG* MOCLDY 36 33 90 S6 30.01S WCI 31 TC 2
MACOMB* MOCLDY 36 30 80 S5 30.03S WCI 32 TC 2
JACKSONVILLE* PTCLDY 41 32 69 S9 30.03S TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-230600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 40 30 66 SW7 30.03R TC 5
BLOOMINGTON PTCLDY 38 33 82 SW9 30.04S WCI 31 TC 3
DECATUR CLEAR 45 40 82 SW13 30.04S TC 7
PEORIA PTCLDY 36 30 79 CALM 30.03R TC 2
LACON* PTCLDY 36 26 67 CALM 30.01S TC 2
LINCOLN* PTCLDY 42 33 70 S6 30.03S TC 6
SPRINGFIELD PTCLDY 43 35 73 S14G22 30.03S TC 6
TAYLORVILLE N/A 41 38 89 S9 30.05F TC 5
ILZ033-039-045-046-055>057-062-063-230600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 45 38 76 SW14 30.05R TC 7
DANVILLE* CLOUDY 47 40 76 SW17 30.05S TC 9
RANTOUL* CLOUDY 44 37 76 SW9 30.04R TC 7
MATTOON CLOUDY 47 41 80 S10 30.06S TC 8
PARIS* CLOUDY 47 44 89 SW18G24 30.07S TC 9
ILZ079-100>102-230600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 45 39 79 S9 30.07S TC 7
BELLEVILLE CLEAR 45 41 87 SW6 30.07R TC 7
CAHOKIA* CLEAR 40 37 89 SE5 30.07R TC 4
SPARTA* PTCLDY 49 47 94 S6 30.11R TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 55 52 89 SW21G31 30.11F TC 13
CAIRO* CLOUDY 57 53 85 SW3 30.16R TC 14
EFFINGHAM* CLOUDY 49 47 92 S12 30.10S TC 10
MARION CLOUDY 55 52 92 SW13 30.12F TC 13
MT. VERNON CLOUDY 51 48 89 SW12 30.11S TC 11
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 52 48 85 SW10G21 30.10S TC 11
METROPOLIS* CLOUDY 58 52 81 CALM 30.15S TC 15
ILZ067-068-072-073-078-083-087-091-230600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 51 48 89 SW10 30.11S TC 11
FAIRFIELD* CLOUDY 52 48 88 SW7 30.11S TC 11
HARRISBURG* CLOUDY 54 50 86 SW6 30.13S TC 12
ROBINSON* CLOUDY 50 50 100 SW15 30.09F FOG TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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