461
ASUS43 KLOT 170412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST TUE DEC 16 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.
ILZ001-002-007-009-015-016-024-170500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 39 31 72 W9 29.78R WCI 33 TC 4
STERLING* MOCLDY 37 32 82 SW10 29.77F WCI 30 TC 3
SAVANNA* MOCLDY 36 30 79 W5 29.78R WCI 32 TC 2
ILZ003-004-008-010-011-017-018-170500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 36 30 79 S10 29.74F WCI 28 TC 2
FREEPORT* MOCLDY 37 31 80 W16G22 29.76R WCI 27 TC 3
DE KALB* MOCLDY 34 31 87 CALM 29.76F TC 1
PERU* MOCLDY 39 31 73 SW14 29.80S WCI 31 TC 4
ILZ005-006-012>014-019>023-170500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 38 28 67 SW15G24 29.74R WCI 29 TC 3
CHICAGO-MIDWAY MOCLDY 36 29 75 SW16 29.77S WCI 26 TC 2
AURORA MOCLDY 34 28 79 SW9 29.77S WCI 27 TC 1
JOLIET* MOCLDY 37 31 78 SW8 29.80S WCI 31 TC 3
WAUKEGAN MOCLDY 38 30 73 SW21G28 29.69F WCI 28 TC 3
DUPAGE AIRPORT MOCLDY 34 28 79 SW13 29.76S WCI 25 TC 1
WHEELING MOCLDY 38 29 70 SW13G23 29.75S WCI 30 TC 3
MORRIS* MOCLDY 33 30 88 S9 29.79S WCI 25 TC 1
ROMEOVILLE* MOCLDY 36 30 80 SW14 29.79S WCI 27 TC 2
LANSING* PTCLDY 34 26 70 SW16 29.79F WCI 24 TC 1
NORTHERLY ISL* N/A 37 28 70 SW9 N/A WCI 30 TC 3
LMZ740>746-170500-
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 38 190/ 21/ 24 N/A
NORTHERLY ISL 38 240/ 9/ 11 N/A
CALUMET HARBOR 38 190/ 13/ 20 1007.3F
BURNS HARBOR 38 190/ 9/ 14 1009.1F
MICHIGAN CITY 38 190/ 18/ 24 1008.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-170500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 43 35 73 SW10 29.87S TC 6
GALESBURG* MOCLDY 37 35 92 SW9 29.83S WCI 31 TC 3
MACOMB* MOCLDY 40 33 76 SW10 29.87R TC 5
JACKSONVILLE* CLOUDY 40 32 73 S9 29.88F TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-170500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 37 30 75 SW13 29.83S WCI 29 TC 3
BLOOMINGTON MOCLDY 36 29 75 SW18 29.85S WCI 26 TC 2
DECATUR CLOUDY 38 26 62 SW21G29 29.90S WCI 28 TC 3
PEORIA MOCLDY 35 30 82 SW8 29.85S WCI 29 TC 2
LINCOLN* CLOUDY 37 27 66 S5 29.88S WCI 34 TC 3
SPRINGFIELD CLOUDY 38 30 73 S14 29.88F WCI 30 TC 3
TAYLORVILLE CLOUDY 37 28 68 S14 29.92F WCI 29 TC 3
ILZ033-039-045-046-055>057-062-063-170500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 35 27 72 S17 29.88F WCI 25 TC 2
DANVILLE* MOCLDY 37 27 67 SW16 29.90F WCI 28 TC 3
RANTOUL* MOCLDY 37 28 67 SW14 29.87F WCI 29 TC 3
MATTOON PTCLDY 38 24 57 S10 29.93R WCI 31 TC 3
PARIS* MOCLDY 37 24 59 SW17 29.94R WCI 27 TC 3
ILZ079-100>102-170500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 39 25 56 S12 29.96R WCI 32 TC 4
BELLEVILLE MOCLDY 37 24 61 S5 29.96R WCI 33 TC 3
CAHOKIA* MOCLDY 36 24 62 S5 29.97R WCI 32 TC 2
SPARTA* MOCLDY 42 23 48 S10G16 29.98F TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 47 20 34 S17G26 30.01S TC 8
CAIRO* MOCLDY 44 20 38 CALM 30.07R TC 7
EFFINGHAM* PTCLDY 38 24 55 S7 29.98R WCI 33 TC 4
MARION MOCLDY 45 14 28 S9 30.03R TC 7
MT. VERNON MOCLDY N/A N/A N/A S10 29.99R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 42 24 50 SW9 29.97R TC 5
METROPOLIS* MOCLDY 48 13 24 S12 30.05R TC 9
ILZ067-068-072-073-078-083-087-091-170500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 36 25 64 S3 29.98S TC 2
FLORA* MOCLDY 41 23 48 SW9 29.98R TC 5
FAIRFIELD* MOCLDY 42 19 40 S6 29.99S TC 6
HARRISBURG* MOCLDY 46 13 26 SW10 30.03R TC 8
ROBINSON* MOCLDY 37 25 60 S8 29.97R WCI 31 TC 3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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