689
ASUS43 KLOT 261101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST MON JAN 26 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.
ILZ001-002-007-009-015-016-024-261200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR -1 -9 68 NW12 30.37R WCI -18 TC -18
STERLING* CLEAR -1 -10 65 NW8 30.33R WCI -15 TC -18
SAVANNA* CLEAR -1 -10 65 NW8 30.34R WCI -16 TC -18
ILZ003-004-008-010-011-017-018-261200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR -4 -12 68 NW8 30.29R WCI -19 TC -20
FREEPORT* CLEAR -2 -12 63 NW7 30.30S WCI -16 TC -19
DE KALB* PTCLDY -4 -11 70 MISG 30.24R TC -20
PERU* CLEAR -2 -11 65 W10 30.30R WCI -19 TC -19
ILZ005-006-012>014-019>023-261200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 1 -10 60 NW12 30.21R WCI -16 TC -17
CHICAGO-MIDWAY CLOUDY 2 -10 57 NW10 30.22R WCI -14 TC -17
AURORA PTCLDY -3 -11 68 NW10 30.25R WCI -20 TC -19
JOLIET* N/A 0 -9 66 W5 30.27R WCI -10 TC -18
WAUKEGAN CLOUDY 1 -9 62 NW12G21 30.20R WCI -16 TC -17
DUPAGE AIRPORT CLOUDY 0 -10 63 NW12 30.22R WCI -17 TC -18
WHEELING N/A 1 -9 62 NW10G21 30.23R WCI -15 TC -17
MORRIS* PTCLDY -3 -11 67 NW13 30.27R WCI -21 TC -19
ROMEOVILLE* CLOUDY 0 -9 65 W8 30.25R WCI -15 TC -18
LANSING* N/A 2 -10 57 NW8 30.22S WCI -11 TC -16
NORTHERLY ISL* N/A 3 -7 63 W12 N/A WCI -13 TC -16
LMZ740>746-261200-
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 4 290/ 16/ 18 N/A
NORTHERLY ISL 3 270/ 10/ 15 N/A
CALUMET HARBOR 3 270/ 9/ 14 1022.6
BURNS HARBOR 6 260/ 7/ 9 1022.7R
MICHIGAN CITY 14 290/ 19/ 24 1022.4R
ILZ025>027-034>036-040-047-049-050-058-095>099-261200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR -6 -10 83 W8 30.42R WCI -21 TC -21
MACOMB* CLEAR -4 -9 77 W6 30.41S WCI -16 TC -20
JACKSONVILLE* CLEAR -11 -16 77 W9 30.41R WCI -29 TC -24
ILZ028>032-037-038-041>044-048-051>054-059>061-261200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR -4 -13 66 W12 30.29S WCI -22 TC -20
BLOOMINGTON CLEAR -3 -10 72 NW18 30.29R WCI -25 TC -19
DECATUR CLEAR -4 -10 75 W12 30.33R WCI -22 TC -20
PEORIA CLEAR -4 -11 72 NW7 30.35R WCI -18 TC -20
LACON* CLEAR -3 -12 65 NW9 30.34R WCI -19 TC -19
LINCOLN* CLEAR -3 -13 63 W6 30.36R WCI -15 TC -19
SPRINGFIELD CLEAR -5 -11 75 W10 30.38R WCI -23 TC -21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR -8 -15 71 W15 30.29R WCI -30 TC -22
DANVILLE* CLEAR -2 -10 67 W9 30.28R WCI -17 TC -19
RANTOUL* CLEAR -6 -14 67 W10 30.28R WCI -23 TC -21
MATTOON CLEAR -5 -11 75 W16 30.30R WCI -27 TC -21
PARIS* PTCLDY -3 -9 74 W12 30.30R WCI -21 TC -19
ILZ079-100>102-261200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 0 -9 65 NW10 30.42R WCI -16 TC -18
CAHOKIA* CLEAR 1 -8 66 NW13 30.44R WCI -17 TC -17
SPARTA* CLEAR 0 -8 70 NW5 30.43R WCI -10 TC -18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 3 -7 63 NW9 30.42R WCI -12 TC -16
CAIRO* CLEAR 8 -1 66 NW8 30.44R WCI -4 TC -13
EFFINGHAM* CLEAR -4 -10 74 W9 30.37R WCI -20 TC -20
MARION CLEAR 3 -5 68 NW5 30.42R WCI -6 TC -16
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 1 -8 65 W12 30.38R WCI -16 TC -17
ILZ067-068-072-073-078-083-087-091-261200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 1 -4 79 W12 30.33R WCI -16 TC -17
FLORA* CLEAR -2 -9 71 NW13 30.37R WCI -21 TC -19
FAIRFIELD* CLEAR 2 -8 62 W5 30.38R WCI -7 TC -17
HARRISBURG* CLEAR 4 -6 64 NW10 30.40R WCI -11 TC -15
ROBINSON* CLEAR 0 -4 85 W10 30.32R WCI -17 TC -18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page