186
ASUS43 KLOT 180210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM 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.
ILZ001-002-007-009-015-016-024-180300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 35 29 78 SE12 29.77F WCI 27 TC 2
STERLING* PTCLDY 32 31 96 SE8 29.83F WCI 25 TC 0
SAVANNA* MOCLDY 32 28 87 SE14 29.79F WCI 22 TC 0
ILZ003-004-008-010-011-017-018-180300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 30 28 92 SE10 29.84F WCI 21 TC -1
FREEPORT* PTCLDY 29 27 90 SE8 29.82F WCI 21 TC -1
DE KALB* CLEAR 28 28 99 SE9 29.86F FOG WCI 20
PERU* CLEAR 34 31 90 SE13 29.85F WCI 25 TC 1
ILZ005-006-012>014-019>023-180300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 34 30 85 S7 29.88F WCI 28 TC 1
CHICAGO-MIDWAY CLEAR 35 31 85 S10 29.90F WCI 27 TC 2
AURORA CLEAR 31 30 96 S10 29.87F FOG WCI 22
JOLIET* CLEAR 35 32 91 S5 29.90F WCI 30 TC 1
WAUKEGAN CLEAR 34 30 85 SE8 29.86F WCI 27 TC 1
DUPAGE AIRPORT CLEAR 33 30 88 S10 29.87F WCI 25 TC 1
KANKAKEE* CLEAR 30 28 95 SE5 29.92F WCI 25 TC -1
WHEELING CLEAR 32 30 92 S9 29.89F WCI 24 TC 0
MORRIS* CLEAR 33 32 96 S8 29.89F WCI 26 TC 1
ROMEOVILLE* CLEAR 32 30 93 S10 29.91F WCI 24 TC 0
LANSING* CLEAR 33 28 82 S8 29.92F WCI 26 TC 1
NORTHERLY ISL* N/A 35 30 82 S6 N/A WCI 30 TC 2
LMZ740>746-180300-
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 37 170/ 15/ 15 N/A
NORTHERLY ISL 36 170/ 4/ 8 N/A
CALUMET HARBOR 36 160/ 5/ 9 1012.9
BURNS HARBOR 38 170/ 8/ 12 1014.2F
MICHIGAN CITY 38 160/ 13/ 16 1013.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-180300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 43 35 73 SE12 29.77F TC 6
GALESBURG* PTCLDY 35 34 95 SE8 29.79F WCI 29 TC 2
MACOMB* PTCLDY 33 31 91 SE12 29.81F WCI 25 TC 1
JACKSONVILLE* CLEAR 37 33 86 SE10 29.83F WCI 30 TC 3
ILZ028>032-037-038-041>044-048-051>054-059>061-180300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 30 28 93 SE9 29.89F WCI 22 TC -1
BLOOMINGTON CLEAR 37 32 82 S16 29.88F WCI 28 TC 3
DECATUR CLEAR 39 33 79 S13 29.89F WCI 31 TC 4
PEORIA CLEAR 36 31 82 S9 29.84F WCI 29 TC 2
LACON* CLEAR 34 29 83 SE12 29.83F WCI 25 TC 1
LINCOLN* CLEAR 32 27 81 CALM 29.87F TC 0
SPRINGFIELD CLEAR 36 33 89 SE10 29.86F WCI 28 TC 2
TAYLORVILLE CLEAR 42 35 75 SE10 29.88F TC 5
ILZ033-039-045-046-055>057-062-063-180300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 31 28 89 SE9 29.92F WCI 23 TC -1
DANVILLE* CLEAR 36 31 81 SE5 29.95S WCI 32 TC 2
RANTOUL* CLEAR 31 29 92 SE6 29.92F WCI 25 TC -1
MATTOON CLEAR 42 34 73 SE10 29.92F TC 6
PARIS* CLEAR 34 31 87 SE8 29.95F WCI 28 TC 1
ILZ079-100>102-180300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 48 37 66 S13 29.89F TC 9
BELLEVILLE PTCLDY 51 40 67 S10 29.89F TC 10
CAHOKIA* MOCLDY 50 39 66 SE10 29.88F TC 10
SPARTA* CLOUDY 51 38 61 SE10 29.93S TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 51 46 83 S14G22 29.96S TC 11
CAIRO* CLOUDY 50 49 95 S8 29.99F TC 10
EFFINGHAM* MOCLDY 43 36 74 SE7 29.95F TC 6
MARION CLOUDY 51 42 71 S12 29.97F TC 11
MT. VERNON CLOUDY N/A N/A N/A S14 29.94F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 53 38 57 SE8 29.93F TC 12
METROPOLIS* DRIZZLE 51 49 95 CALM 30.00F TC 10
ILZ067-068-072-073-078-083-087-091-180300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 37 32 82 S9 29.97F WCI 30 TC 3
FLORA* CLOUDY 46 36 66 SE8 29.96S TC 8
FAIRFIELD* CLOUDY 52 37 56 S6 29.96R TC 11
HARRISBURG* CLOUDY 54 39 56 S13 29.98S TC 12
ROBINSON* CLEAR 41 36 81 S9 29.96F TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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