578
ASUS43 KLOT 010201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CST SAT JAN 31 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.
ILZ001-002-007-009-015-016-024-010300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 13 6 74 NW5 30.45S WCI 5 TC -11
STERLING* CLEAR 16 8 71 N3 30.46S TC -9
SAVANNA* CLEAR 11 5 74 CALM 30.45F TC -11
ILZ003-004-008-010-011-017-018-010300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 11 6 81 CALM 30.44S TC -12
FREEPORT* CLEAR 15 8 73 W3 30.45S TC -9
PERU* CLEAR 18 10 73 NW5 30.44S WCI 11 TC -8
ILZ005-006-012>014-019>023-010300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 20 12 71 NW9 30.39S WCI 9 TC -7
CHICAGO-MIDWAY MOCLDY 23 14 68 NW10 30.39S WCI 12 TC -5
AURORA CLEAR 12 8 84 N9 30.41R WCI 0 TC -11
JOLIET* CLEAR 20 14 77 NW5 30.42S WCI 13 TC -7
WAUKEGAN PTCLDY 17 10 74 NW7 30.39S WCI 8 TC -8
DUPAGE AIRPORT CLEAR 16 10 77 NW7 30.40R WCI 6 TC -9
WHEELING PTCLDY 19 11 70 NW9 30.41R WCI 8 TC -7
MORRIS* CLEAR 17 10 76 N5 30.42S WCI 10 TC -8
ROMEOVILLE* PTCLDY 19 14 79 W7 30.41R WCI 10 TC -7
LANSING* MOCLDY 25 18 74 N8 30.37F WCI 17 TC -4
NORTHERLY ISL* N/A 26 19 75 NW12 N/A WCI 16 TC -3
LMZ740>746-010300-
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 27 350/ 17/ 19 N/A
NORTHERLY ISL 26 310/ 8/ 16 N/A
CALUMET HARBOR 26 330/ 11/ 17 1028.1
BURNS HARBOR 19 110/ 3/ 4 1028.8F
MICHIGAN CITY 17 120/ 5/ 6 1029.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-010300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 12 5 73 SW3 30.47F TC -11
MACOMB* CLEAR 13 8 78 W8 30.48S WCI 2 TC -10
JACKSONVILLE* CLEAR 13 5 69 W6 30.48S WCI 4 TC -10
ILZ028>032-037-038-041>044-048-051>054-059>061-010300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 13 8 79 NW3 30.43R TC -10
BLOOMINGTON PTCLDY 16 11 80 NW8 30.42S WCI 5 TC -9
DECATUR CLOUDY 19 13 77 W9 30.43R WCI 8 TC -7
PEORIA CLEAR 16 7 67 CALM 30.45S TC -9
LACON* CLEAR 13 5 70 CALM 30.45R TC -10
LINCOLN* CLEAR 18 8 64 NW3 30.45S TC -8
SPRINGFIELD CLEAR 14 7 73 W9 30.46S WCI 2 TC -10
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 18 12 77 NW10 30.39S WCI 6 TC -8
DANVILLE* CLOUDY 20 14 77 CALM 30.39R TC -7
RANTOUL* CLOUDY 18 12 77 NW9 30.39S WCI 7 TC -8
MATTOON CLOUDY 18 14 84 W12 30.39R WCI 5 TC -8
PARIS* CLOUDY 20 14 80 CALM 30.39S TC -7
ILZ079-100>102-010300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 14 5 67 NW9 30.49S WCI 2 TC -10
CAHOKIA* CLEAR 16 4 59 NW14 30.50S WCI 2 TC -9
SPARTA* CLOUDY 16 6 62 NW7 30.50S WCI 7 TC -9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 19 8 63 CALM 30.49S TC -7
EFFINGHAM* CLOUDY 16 11 80 W9 30.45S WCI 4 TC -9
MARION CLOUDY 17 6 60 NW5 30.48R WCI 10 TC -8
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 19 10 68 NW9 30.46S WCI 7 TC -7
ILZ067-068-072-073-078-083-087-091-010300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 15 10 80 W12 30.40S WCI 2 TC -9
FLORA* CLOUDY 18 10 73 NW15 30.44S WCI 3 TC -8
FAIRFIELD* CLOUDY 18 9 68 W9 30.44S WCI 7 TC -8
HARRISBURG* CLOUDY 18 8 64 NW8 30.47F WCI 7 TC -8
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