886
ASUS43 KLOT 172306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-180000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 32 28 85 E6 29.87F WCI 26 TC 0
STERLING* CLEAR 31 29 92 CALM 29.91F TC -1
SAVANNA* CLEAR 30 26 84 SE5 29.88F WCI 25 TC -1
ILZ003-004-008-010-011-017-018-180000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 32 28 85 SE7 29.93F WCI 26 TC 0
FREEPORT* CLEAR 31 28 89 S6 29.92R WCI 25 TC 0
DE KALB* CLEAR 32 29 90 SE3 29.91F TC 0
PERU* CLEAR 35 31 87 E10 29.91F WCI 27 TC 2
ILZ005-006-012>014-019>023-180000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 39 30 70 S7 29.93S WCI 34 TC 4
CHICAGO-MIDWAY PTCLDY 39 30 70 S7 29.95F WCI 34 TC 4
AURORA CLEAR 32 29 88 SE7 29.91F WCI 26 TC 0
JOLIET* CLEAR 37 32 84 S5 29.95F WCI 33 TC 3
WAUKEGAN CLEAR 35 30 82 SE12 29.91F WCI 27 TC 2
DUPAGE AIRPORT CLEAR 36 30 79 S9 29.92F WCI 29 TC 2
KANKAKEE* CLEAR 33 30 90 SE7 29.99F WCI 26 TC 0
WHEELING CLEAR 36 30 79 S9 29.94F WCI 29 TC 2
MORRIS* CLEAR 35 32 90 S9 29.94F WCI 27 TC 1
ROMEOVILLE* CLEAR 34 30 86 SE7 29.95F WCI 28 TC 1
LANSING* CLEAR 36 27 72 CALM 29.97F TC 2
NORTHERLY ISL* N/A 33 29 85 S3 N/A TC 1
LMZ740>746-180000-
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 35 170/ 12/ 12 N/A
NORTHERLY ISL 33 150/ 6/ 6 N/A
CALUMET HARBOR 36 150/ 2/ 4 1014.4
BURNS HARBOR 40 180/ 5/ 8 1015.9R
MICHIGAN CITY 39 180/ 8/ 10 1015.1R
ILZ025>027-034>036-040-047-049-050-058-095>099-180000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 35 73 SE7 29.87F TC 6
GALESBURG* CLEAR 37 34 89 SE3 29.89F TC 3
MACOMB* CLEAR 37 32 82 SE13 29.90F WCI 29 TC 3
JACKSONVILLE* CLEAR 35 32 88 E7 29.91F WCI 29 TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-180000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 32 30 93 SE6 29.95F WCI 26 TC 0
BLOOMINGTON CLEAR 35 31 85 SE8 29.94F WCI 29 TC 2
DECATUR PTCLDY 35 31 85 SE8 29.95F WCI 29 TC 2
PEORIA CLEAR 38 30 73 SE6 29.92F WCI 33 TC 3
LACON* CLEAR 35 30 82 SE5 29.91F WCI 31 TC 2
LINCOLN* CLEAR 35 28 76 SE5 29.94F WCI 31 TC 2
SPRINGFIELD CLEAR 38 32 79 E7 29.93F WCI 33 TC 3
TAYLORVILLE CLEAR 40 34 81 SE9 29.94F TC 4
ILZ033-039-045-046-055>057-062-063-180000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 32 30 92 E7 29.97F FOG WCI 26
DANVILLE* PTCLDY 38 32 78 SE3 30.00S TC 3
RANTOUL* CLEAR 33 31 90 SE6 29.97F WCI 28 TC 1
MATTOON PTCLDY 40 32 73 SE8 29.97F TC 4
PARIS* MOCLDY 37 31 78 SE6 30.00F WCI 32 TC 3
ILZ079-100>102-180000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 45 32 61 SE9 29.94F TC 7
BELLEVILLE PTCLDY 50 32 50 S2 29.94F TC 10
CAHOKIA* CLEAR 50 35 56 SE6 29.93F TC 10
SPARTA* MOCLDY 52 37 54 SE6 29.96F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 55 39 54 S7 29.99S TC 13
CAIRO* CLOUDY 55 43 64 S8 30.01F TC 13
EFFINGHAM* PTCLDY 42 36 76 E6 30.00S TC 6
MARION CLOUDY 55 39 54 S9 30.00R TC 13
MT. VERNON PTCLDY N/A N/A N/A SE3 29.99F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 53 35 50 SE3 29.98S TC 12
METROPOLIS* CLOUDY 56 36 47 CALM 30.01F TC 13
ILZ067-068-072-073-078-083-087-091-180000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 45 36 70 SE9 30.02F TC 7
FLORA* PTCLDY 45 34 65 SE7 30.00F TC 7
FAIRFIELD* PTCLDY 51 35 54 CALM 30.00F TC 10
HARRISBURG* CLOUDY 55 38 52 S5 30.01S TC 13
ROBINSON* MOCLDY 45 37 76 SE5 30.00F TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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