546
ASUS43 KLOT 180910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CST SUN JAN 18 2026
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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 6 -1 73 W14 30.13F WCI -11 TC -14
STERLING* PTCLDY 6 -1 73 W23 30.11S WCI -15 TC -14
SAVANNA* PTCLDY 5 -2 72 SW9 30.11F WCI -9 TC -15
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FLURRIES 8 2 76 SW14G23 30.07S WCI -8 TC -13
FREEPORT* PTCLDY 6 0 74 W14 30.08S WCI -11 TC -14
DE KALB* PTCLDY 8 3 79 MISG 30.05F TC -13
PERU* CLOUDY 10 3 72 W13 30.11F WCI -5 TC -12
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FLURRIES 11 4 73 W12 30.04F WCI -3 TC -12
CHICAGO-MIDWAY MOCLDY 11 4 73 W13 30.07S WCI -4 TC -12
AURORA CLOUDY 10 4 76 W15 30.06F WCI -7 TC -12
JOLIET* PTCLDY 12 6 77 W9 30.11S WCI 0 TC -11
WAUKEGAN CLOUDY 13 8 81 W15 30.00S WCI -3 TC -11
DUPAGE AIRPORT CLOUDY 10 5 80 W9 30.05S WCI -3 TC -12
KANKAKEE* CLOUDY 12 4 69 W18 30.13S WCI -6 TC -11
WHEELING CLOUDY 12 6 77 W10 30.05F WCI -1 TC -11
MORRIS* CLOUDY 10 4 75 W10 30.10S WCI -3 TC -12
ROMEOVILLE* CLOUDY 10 5 79 SW13 30.09F WCI -5 TC -12
LANSING* CLOUDY 11 4 74 W17G23 30.10S WCI -7 TC -12
NORTHERLY ISL* N/A 12 6 77 W16 N/A WCI -4 TC -11
LMZ740>746-181000-
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 13 240/ 15/ 21 N/A
NORTHERLY ISL 13 250/ 12/ 15 N/A
CALUMET HARBOR 12 220/ 9/ 18 1017.9S
BURNS HARBOR 15 240/ 10/ 12 1019.0R
MICHIGAN CITY 14 220/ 19/ 22 1019.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 10 2 69 W12 30.19S WCI -5 TC -12
GALESBURG* PTCLDY 8 5 87 W13 30.15F WCI -8 TC -13
MACOMB* CLOUDY 11 3 70 W14 30.20S WCI -5 TC -12
JACKSONVILLE* CLOUDY 13 3 65 W10 30.19F WCI 0 TC -10
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 10 3 71 W12G17 30.13F WCI -4 TC -12
BLOOMINGTON FLURRIES 10 5 80 W10 30.13F WCI -4 TC -12
DECATUR PTCLDY 12 4 70 W12 30.17F WCI -2 TC -11
PEORIA CLOUDY 12 4 70 W14 30.15F WCI -3 TC -11
LACON* CLOUDY 10 1 67 W12G21 30.14S WCI -4 TC -12
LINCOLN* CLOUDY 14 2 58 W7 30.18S WCI 4 TC -10
SPRINGFIELD CLOUDY 13 5 70 W7 30.18F WCI 3 TC -11
TAYLORVILLE CLOUDY 14 6 69 W9 30.20F WCI 2 TC -10
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 11 4 73 W12 30.16S WCI -3 TC -12
DANVILLE* CLOUDY 14 6 70 W10 30.17S WCI 1 TC -10
RANTOUL* CLOUDY 10 3 73 W9 30.15S WCI -3 TC -12
MATTOON CLOUDY 13 4 67 W14 30.18S WCI -2 TC -11
PARIS* CLOUDY 14 3 63 W15 30.19S WCI -2 TC -10
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 14 3 63 W9 30.23F WCI 1 TC -10
BELLEVILLE CLEAR 17 7 65 W7 30.24F WCI 7 TC -8
CAHOKIA* CLEAR 13 3 64 W7 30.25F WCI 3 TC -11
SPARTA* CLOUDY 14 4 65 W7 30.27F WCI 4 TC -10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 15 4 61 W6 30.27F WCI 6 TC -9
CAIRO* CLEAR 18 5 56 W10 30.30F WCI 6 TC -8
EFFINGHAM* CLOUDY 15 5 64 W8 30.23F WCI 4 TC -9
MARION CLEAR 14 3 62 CALM 30.28F TC -10
MT. VERNON PTCLDY 14 7 73 W3 30.25F TC -10
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 16 4 58 W9 30.23F WCI 5 TC -9
ILZ067-068-072-073-078-083-087-091-181000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 8 2 76 SW7 30.24F WCI -3 TC -13
FLORA* CLOUDY 16 9 73 W5 30.24F WCI 9 TC -9
FAIRFIELD* CLOUDY 15 7 69 SW5 30.25F WCI 7 TC -9
HARRISBURG* CLEAR 13 5 69 CALM 30.27F TC -10
ROBINSON* CLOUDY 12 7 79 SW7 30.22F WCI 2 TC -11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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