382
ASUS43 KLOT 200606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED MAY 20 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.
ILZ001-002-007-009-015-016-024-200700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 52 43 71 NW8 30.20S TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 59;
STERLING* PTCLDY 52 45 77 NW9 30.20S TC 11
SAVANNA* PTCLDY 51 43 74 N8 30.20S TC 11
ILZ003-004-008-010-011-017-018-200700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 52 44 74 NW7 30.19R TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 62;
FREEPORT* PTCLDY 50 48 93 NW6 30.20S TC 10
ROCHELLE* CLOUDY 52 44 75 NW7 30.18F TC 11
DE KALB* PTCLDY 52 47 82 NW9 30.18S TC 11
PERU* CLOUDY 55 46 71 NW10 30.17F TC 13
ILZ005-006-012>014-019>023-200700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 60 49 66 NW10 30.13S TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 68;
CHICAGO-MIDWAY CLOUDY 61 51 70 NW13 30.13R TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 69;
AURORA MOCLDY 55 49 80 NW10 30.15S TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 65;
JOLIET* CLOUDY 59 50 71 NW6 30.16R TC 15
WAUKEGAN PTCLDY 55 47 74 NW6 30.15R TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 67;
DUPAGE AIRPORT CLOUDY 57 48 72 NW13 30.14F TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 66;
KANKAKEE* CLOUDY 61 49 66 NW13 30.14F TC 16
WHEELING CLOUDY 59 47 64 N9 30.15R TC 15
6HR MIN TEMP: 59; 6HR MAX TEMP: 68;
MORRIS* CLOUDY 57 48 72 N9 30.14F TC 14
ROMEOVILLE* CLOUDY 59 52 77 NW13 30.16R TC 15
LANSING* CLOUDY 61 50 66 NW6 30.14R TC 16
NORTHERLY ISL* N/A 62 49 62 NW7 N/A TC 17
LMZ740>746-200700-
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)
WINTHROP HARBOR 48 1019.0 1
WAUKEGAN HARBOR 56 51 300/ 10/ 14 1020.3 1
WILMETTE BUOY 57 20/ 14/ 19 1021.4S 1
CHICAGO BUOY 58 53 340/ 10/ 14 1019.0 1/ 2
HARRISON CRIB 61 330/ 15/ 16 N/A
NORTHERLY ISL 62 310/ 6/ 12 N/A
CALUMET HARBOR 63 310/ 5/ 10 1020.1R
BURNS HARBOR 58 70/ 4/ 5 1021.0R
MICHIGAN CITY 57 50/ 7/ 8 1019.4R
ST. JOSEPH BUOY 53 210/ 2/ 2 1021.0R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-200700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
GALESBURG* CLOUDY 52 45 77 N12 30.21S TC 11
MACOMB* MOCLDY 52 49 90 CALM 30.23S TC 11
JACKSONVILLE* CLOUDY 55 49 81 N14 30.17F TC 13
PITTSFIELD* CLOUDY 55 49 79 N10G16 30.20S TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-200700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 57 52 83 MISG 30.16F TC 14
BLOOMINGTON CLOUDY 56 49 77 NW15 30.16F TC 13
DECATUR MOCLDY 59 52 77 MISG 30.14F TC 15
PEORIA CLOUDY 55 46 71 NW8 30.18F TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 60; 6HR PCP: TRACE;
LACON* CLOUDY 54 45 71 NW7 30.17F TC 12
LINCOLN* CLOUDY 59 51 77 N7 30.16S TC 15
SPRINGFIELD CLOUDY 57 51 80 NW9 30.16S TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 65;
TAYLORVILLE MOCLDY 57 54 88 N10 30.15R TC 14
ILZ033-039-045-046-055>057-062-063-200700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 59 53 80 NW13 30.14F TC 15
DANVILLE* CLOUDY 61 54 79 NW9 30.14R TC 16
RANTOUL* MOCLDY 58 52 79 NW8 30.14F TC 15
MATTOON CLOUDY 61 57 87 N13 30.11F TC 16
PARIS* CLOUDY 62 56 83 N10 30.12S TC 17
ILZ079-100>102-200700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 60 54 80 N5 30.16S TC 16
BELLEVILLE CLOUDY 64 61 88 N10 30.12R TC 18
CAHOKIA* CLOUDY 62 57 83 N12 30.14R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 72 71 98 SE8 30.09R TC 22
EFFINGHAM* CLOUDY 63 61 93 N6 30.13S TC 17
MT. VERNON MOCLDY 67 63 87 N3 30.09F TC 19
CENTRALIA* CLOUDY 67 63 87 N3 30.11S TC 19
SALEM* CLOUDY 66 62 86 MISG 30.11F TC 19
METROPOLIS* CLOUDY 70 70 100 S5 30.10R TC 21
ILZ067-068-072-073-078-083-087-091-200700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 68 67 96 N7 30.09S TC 20
FLORA* MOCLDY 66 64 94 N9 30.10F TC 19
FAIRFIELD* CLOUDY 67 62 84 N7 30.09S TC 20
HARRISBURG* CLOUDY 71 68 92 N6 30.09R TC 22
ROBINSON* CLOUDY 68 66 94 N6 30.08F TC 20
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