893
ASUS43 KLOT 210006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM 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.
ILZ001-002-007-009-015-016-024-210100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 65 44 46 NE8 30.17F TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 67;
STERLING* SUNNY 67 43 41 E18 30.19F TC 19
SAVANNA* SUNNY 65 40 40 N9 30.20F TC 18
ILZ003-004-008-010-011-017-018-210100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 59 37 44 NE9G21 30.25R TC 15
6HR MIN TEMP: 59; 6HR MAX TEMP: 68;
FREEPORT* SUNNY 64 42 43 NE12 30.23S TC 18
ROCHELLE* SUNNY 60 35 40 E16 30.23R TC 15
DE KALB* SUNNY 55 37 49 E13 30.26R TC 13
PERU* SUNNY 63 43 48 NE17 30.20R TC 17
ILZ005-006-012>014-019>023-210100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 54 33 45 N17G23 30.25S TC 12
6HR MIN TEMP: 54; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY MOSUNNY 55 35 47 NE13G25 30.25S TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 59;
AURORA SUNNY 56 37 49 NE15 30.24S TC 13
6HR MIN TEMP: 56; 6HR MAX TEMP: 64;
JOLIET* SUNNY 58 38 47 NE15 30.24S TC 15
WAUKEGAN SUNNY 50 32 50 N8G18 30.28R TC 10
6HR MIN TEMP: 50; 6HR MAX TEMP: 55;
DUPAGE AIRPORT SUNNY 53 35 50 NE15 30.25S TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 61;
KANKAKEE* SUNNY 57 37 47 N20 30.22S TC 14
WHEELING SUNNY 52 33 48 NE13G20 30.28S TC 11
6HR MIN TEMP: 52; 6HR MAX TEMP: 57;
MORRIS* SUNNY 57 37 47 NE8G17 30.23R TC 14
ROMEOVILLE* SUNNY 57 37 47 NE15G22 30.25R TC 14
LANSING* SUNNY 53 37 54 N13G23 30.25S TC 12
NORTHERLY ISL* N/A 52 37 56 N13 N/A TC 11
LMZ740>746-210100-
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 47 1022.7 2/ 4
WAUKEGAN HARBOR 49 51 340/ 12/ 17 1023.9 2/ 4
WILMETTE BUOY 50 50/ 16/ 23 1025.3F 3/ 4
CHICAGO BUOY 52 54 30/ 17/ 23 1023.1 3/ 4
HARRISON CRIB 51 10/ 18/ 20 N/A
NORTHERLY ISL 53 350/ 10/ 16 N/A
CALUMET HARBOR 53 350/ 11/ 17 1024.4
BURNS HARBOR 51 30/ 11/ 12 1024.4S
MICHIGAN CITY 51 20/ 21/ 23 1023.2S
ST. JOSEPH BUOY 50 10/ 17/ 21 1024.6R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 65 49 56 NE8 30.15F TC 18
GALESBURG* SUNNY 67 45 44 NE6 30.17F TC 19
MACOMB* SUNNY 67 46 45 CALM 30.17F TC 20
JACKSONVILLE* MOSUNNY 67 49 50 N7 30.15S TC 20
PITTSFIELD* MOSUNNY 67 49 53 N5 30.16S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-210100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 62 41 45 MISG 30.20S TC 17
BLOOMINGTON MOSUNNY 62 42 47 NE20 30.19R TC 17
DECATUR MOSUNNY 65 48 54 NE16 30.14S TC 18
PEORIA SUNNY 67 46 47 NE13G22 30.16R TC 19
6HR MIN TEMP: 64; 6HR MAX TEMP: 69;
LACON* SUNNY 66 43 42 E10 30.18S TC 19
LINCOLN* MOSUNNY 69 48 46 NE14 30.15R TC 21
SPRINGFIELD MOSUNNY 69 48 47 NE7 30.13F TC 21
6HR MIN TEMP: 64; 6HR MAX TEMP: 71;
TAYLORVILLE PTSUNNY 66 52 59 NE8 30.13F TC 19
ILZ033-039-045-046-055>057-062-063-210100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 64 46 52 N16G24 30.15S TC 18
DANVILLE* PTSUNNY 65 47 52 N14 30.16S TC 19
RANTOUL* MOSUNNY 63 42 46 NE16 30.17S TC 17
MATTOON PTSUNNY 66 52 60 NE9 30.12F TC 19
PARIS* PTSUNNY 66 52 61 E7 30.14S TC 19
ILZ079-100>102-210100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 54 63 NE9 30.14S TC 19
BELLEVILLE CLOUDY 67 58 73 N7 30.11S TC 19
CAHOKIA* CLOUDY 66 55 67 NE8 30.12F TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 66 57 72 N8 30.10S TC 19
CAIRO* CLOUDY 65 60 82 NE10 30.09R TC 19
EFFINGHAM* CLOUDY 66 57 73 NE3 30.14S TC 19
MARION CLOUDY 64 59 82 N10 30.10S TC 18
MT. VERNON CLOUDY 65 58 78 NE6 30.12S TC 18
CENTRALIA* CLOUDY 66 56 70 CALM 30.12S TC 19
SALEM* CLOUDY 67 58 72 MISG 30.12F TC 20
METROPOLIS* CLOUDY 63 63 100 N7 30.08F TC 17
ILZ067-068-072-073-078-083-087-091-210100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 64 58 80 NE12 30.12S TC 18
FLORA* CLOUDY 64 55 72 NE9 30.13R TC 18
FAIRFIELD* CLOUDY 65 58 78 NE3 30.11S TC 19
HARRISBURG* CLOUDY 64 60 86 NE3 30.10S TC 18
ROBINSON* CLOUDY 64 57 77 NE9 30.12S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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