400
ASUS43 KLOT 202310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CST SAT DEC 20 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.
ILZ001-002-007-009-015-016-024-210000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 33 23 66 W8 29.99R WCI 26 TC 1
STERLING* PTCLDY 33 23 66 W10 29.97R WCI 25 TC 1
SAVANNA* CLEAR 34 18 51 W8 29.96R WCI 28 TC 1
ILZ003-004-008-010-011-017-018-210000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 36 16 44 W13G23 29.91R WCI 27 TC 2
FREEPORT* CLEAR 35 16 46 W13 29.93R WCI 27 TC 2
DE KALB* PTCLDY 36 19 51 W13G18 29.91R WCI 27 TC 2
PERU* CLOUDY 37 24 58 W9 29.97R WCI 31 TC 3
ILZ005-006-012>014-019>023-210000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 38 20 48 W12 29.87R WCI 30 TC 3
CHICAGO-MIDWAY CLOUDY 39 23 52 W15G23 29.90R WCI 31 TC 4
AURORA MOCLDY 35 27 72 W14 29.91R WCI 26 TC 2
JOLIET* CLOUDY 38 30 71 W6 29.94R WCI 34 TC 4
WAUKEGAN PTCLDY 37 20 50 W15G24 29.81S WCI 28 TC 3
DUPAGE AIRPORT MOCLDY 36 24 62 SW10 29.89R WCI 28 TC 2
KANKAKEE* CLOUDY 36 28 75 W8 29.95R WCI 29 TC 2
WHEELING MOCLDY 39 20 46 W8G18 29.87R WCI 33 TC 4
MORRIS* CLOUDY 36 31 82 W10 29.93R WCI 29 TC 2
ROMEOVILLE* CLEAR 37 28 70 W10 29.92R WCI 30 TC 3
LANSING* CLOUDY 36 23 59 SW7 29.91R WCI 30 TC 2
NORTHERLY ISL* N/A 39 24 55 SW13 N/A WCI 31 TC 4
LMZ740>746-210000-
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 39 260/ 3/ 9 N/A
CALUMET HARBOR 39 220/ 7/ 11 1011.2
BURNS HARBOR 39 240/ 8/ 8 1012.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-210000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 37 25 61 NW8 30.06R WCI 31 TC 3
GALESBURG* MOCLDY 34 30 85 W9 30.03R WCI 26 TC 1
MACOMB* MOCLDY 35 26 70 NW8 30.06R WCI 28 TC 2
JACKSONVILLE* MOCLDY 39 22 51 NW5 30.04R TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-210000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 35 30 80 W10 29.97R WCI 28 TC 2
BLOOMINGTON MOCLDY 38 25 59 NW13 30.00R WCI 30 TC 3
DECATUR MOCLDY 42 30 62 NW10 30.01R TC 6
PEORIA MOCLDY 39 19 44 NW7 30.01R WCI 34 TC 4
LACON* CLOUDY 37 20 50 W5 29.99R WCI 34 TC 3
LINCOLN* MOCLDY 40 26 56 NW5 30.02R TC 5
SPRINGFIELD MOCLDY 41 25 53 NW7 30.02R TC 5
TAYLORVILLE MOCLDY 40 31 70 NW8 30.04R TC 4
ILZ033-039-045-046-055>057-062-063-210000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 38 31 76 W8 29.99R WCI 32 TC 3
DANVILLE* MOCLDY 40 30 67 NW6 29.96R TC 5
RANTOUL* MOCLDY 38 30 73 W9 29.97R WCI 31 TC 3
MATTOON MOCLDY 40 31 70 W9 29.98R TC 4
PARIS* MOCLDY 39 31 73 W8 29.97R WCI 34 TC 4
ILZ079-100>102-210000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 46 28 49 N14 30.03R TC 8
BELLEVILLE MOCLDY 49 30 48 N10 30.00R TC 9
CAHOKIA* PTCLDY 48 29 47 N9 30.02 TC 9
SPARTA* PTCLDY 51 31 46 N9 30.01R TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 52 37 56 CALM 29.98R TC 11
CAIRO* PTCLDY 51 43 73 SW3 29.99R TC 11
EFFINGHAM* MOCLDY 43 32 64 W8 30.01R TC 6
MARION PTCLDY 52 39 62 SW3 29.98R TC 11
MT. VERNON MOCLDY 48 33 56 CALM 29.99R TC 9
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 48 32 54 NW9 29.99R TC 9
METROPOLIS* PTCLDY 53 41 64 CALM 29.98R TC 12
ILZ067-068-072-073-078-083-087-091-210000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 47 32 56 NW12 29.97R TC 8
FLORA* PTCLDY 46 34 61 NW8 29.99R TC 8
FAIRFIELD* PTCLDY 48 31 52 CALM 29.97R TC 9
HARRISBURG* PTCLDY 50 37 61 W3 29.99R TC 10
ROBINSON* PTCLDY 45 34 65 NW12 29.97R TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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