816
ASUS43 KLOT 310601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM 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.
ILZ001-002-007-009-015-016-024-310700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 9 -3 58 NW9 30.55S WCI -4 TC -13
6HR MIN TEMP: 9; 6HR MAX TEMP: 16;
STERLING* CLEAR 9 -1 64 NW9 30.52F WCI -4 TC -13
SAVANNA* CLEAR 9 -3 58 NW9 30.54F WCI -5 TC -13
ILZ003-004-008-010-011-017-018-310700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 9 -1 64 NW12 30.48F WCI -6 TC -13
6HR MIN TEMP: 8; 6HR MAX TEMP: 13;
FREEPORT* CLEAR 8 -1 64 NW12 30.51S WCI -7 TC -13
PERU* MOCLDY 10 0 61 NW10 30.48F WCI -3 TC -12
ILZ005-006-012>014-019>023-310700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 11 2 67 NW13 30.42S WCI -4 TC -12
6HR MIN TEMP: 11; 6HR MAX TEMP: 17; 6HR PCP: TRACE;
CHICAGO-MIDWAY MOCLDY 13 4 67 NW16G24 30.42S WCI -3 TC -11
6HR MIN TEMP: 12; 6HR MAX TEMP: 19; 6HR PCP: TRACE;
AURORA MOCLDY 10 1 67 N16 30.43F WCI -7 TC -12
6HR MIN TEMP: 7; 6HR MAX TEMP: 11;
JOLIET* CLOUDY 13 4 66 N7 30.45S WCI 3 TC -10
WAUKEGAN CLOUDY 13 3 64 NW9 30.42F WCI 1 TC -11
6HR MIN TEMP: 11; 6HR MAX TEMP: 14;
DUPAGE AIRPORT PTCLDY 10 1 67 NW16 30.42F WCI -7 TC -12
6HR MIN TEMP: 10; 6HR MAX TEMP: 14; 6HR PCP: TRACE;
WHEELING N/A 11 3 70 NW12 30.44F WCI -3 TC -12
6HR MIN TEMP: 11; 6HR MAX TEMP: 15;
MORRIS* PTCLDY 11 1 65 NW8 30.45S WCI -1 TC -12
LANSING* CLOUDY 13 4 68 NW9G16 30.41F WCI 0 TC -11
NORTHERLY ISL* N/A 13 5 70 W13 N/A WCI -1 TC -10
LMZ740>746-310700-
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 15 320/ 22/ 24 N/A
NORTHERLY ISL 13 350/ 9/ 17 N/A
CALUMET HARBOR 14 310/ 9/ 13 1029.2
BURNS HARBOR 18 320/ 10/ 15 1028.4F
MICHIGAN CITY 13 170/ 7/ 7 1029.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-310700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 9 0 67 N16 30.55R WCI -8 TC -13
MACOMB* CLEAR 8 0 70 N12 30.56S WCI -7 TC -13
JACKSONVILLE* CLOUDY 14 5 67 N13 30.51S WCI 0 TC -10
ILZ028>032-037-038-041>044-048-051>054-059>061-310700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 7 -1 67 NW9 30.46F WCI -6 TC -14
BLOOMINGTON CLEAR 8 0 69 N13 30.46S WCI -8 TC -13
DECATUR CLEAR 10 4 76 N17 30.46R WCI -8 TC -12
PEORIA CLEAR 10 -1 61 N5 30.51F WCI 2 TC -12
6HR MIN TEMP: 9; 6HR MAX TEMP: 14; 6HR PCP: TRACE;
LACON* CLEAR 7 -4 60 NW5 30.50F WCI -1 TC -14
LINCOLN* CLEAR 12 -2 53 N9 30.50S WCI -1 TC -11
SPRINGFIELD CLEAR 11 3 70 N9 30.50S WCI -2 TC -12
6HR MIN TEMP: 11; 6HR MAX TEMP: 15; 6HR PCP: TRACE;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-310700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FLURRIES 12 7 80 N15 30.43S WCI -4 TC -11
DANVILLE* MOCLDY 9 5 86 NW7 30.43S WCI -3 TC -13
RANTOUL* CLOUDY 10 2 71 N9 30.43S WCI -4 TC -12
MATTOON PTCLDY 7 4 87 N13 30.41S WCI -9 TC -14
PARIS* CLOUDY 9 6 88 CALM 30.42S TC -13
ILZ079-100>102-310700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 15 10 79 NW13 30.48S BLWGSNOWWCI 1
CAHOKIA* FLURRIES 15 8 73 N13 30.50S WCI 1 TC -9
SPARTA* FLURRIES 14 8 77 NW8 30.48F WCI 3 TC -10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 15 4 62 N10 30.45S WCI 3 TC -9
EFFINGHAM* CLOUDY 13 10 90 NW9 30.46S WCI 1 TC -11
MARION MOCLDY 10 1 67 NW5 30.45F WCI 2 TC -12
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* LGT SNOW 14 10 83 NW6 30.44F WCI 5 TC -10
ILZ067-068-072-073-078-083-087-091-310700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 10 2 69 NW8 30.41F WCI -2 TC -12
FLORA* CLOUDY 12 7 79 N9 30.44S WCI 0 TC -11
FAIRFIELD* CLOUDY 13 6 74 N9 30.44S WCI 0 TC -11
HARRISBURG* CLOUDY 13 4 66 N10 30.44S WCI 0 TC -10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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