140
ASUS43 KLOT 211210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT THU MAY 21 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.
ILZ001-002-007-009-015-016-024-211300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 49 36 61 NE7 30.27S TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 51;
STERLING* PTSUNNY 50 34 54 NE15 30.29S TC 10
SAVANNA* PTSUNNY 47 33 57 NE13 30.31S TC 9
ILZ003-004-008-010-011-017-018-211300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 47 31 53 NE8 30.32S TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 49;
FREEPORT* PTSUNNY 46 35 65 NE12 30.33S TC 8
ROCHELLE* MOSUNNY 48 31 51 NE16 30.30R TC 9
DE KALB* MOSUNNY 47 34 61 E10 30.31R TC 8
PERU* PTSUNNY 50 37 62 NE13 30.27S TC 10
ILZ005-006-012>014-019>023-211300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 49 37 63 NE14 30.30S TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 50;
CHICAGO-MIDWAY PTSUNNY 51 40 65 NE14 30.30S TC 11
6HR MIN TEMP: 50; 6HR MAX TEMP: 53;
AURORA SUNNY 49 37 63 NE15 30.28R TC 9
6HR MIN TEMP: 45; 6HR MAX TEMP: 49;
JOLIET* PTSUNNY 52 40 63 NE12 30.29R TC 11
WAUKEGAN MOSUNNY 46 35 65 NE14G25 30.32S TC 8
6HR MIN TEMP: 45; 6HR MAX TEMP: 49;
DUPAGE AIRPORT SUNNY 48 37 65 NE10 30.29R TC 9
6HR MIN TEMP: 43; 6HR MAX TEMP: 49;
KANKAKEE* CLOUDY 50 42 73 NE10 30.27F TC 10
WHEELING SUNNY 47 38 71 NE12G20 30.33R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 49;
MORRIS* PTSUNNY 52 39 62 E7 30.28R TC 11
ROMEOVILLE* PTSUNNY 52 41 66 NE14G21 30.30R TC 11
LANSING* CLOUDY 52 43 70 E7 30.29S TC 11
NORTHERLY ISL* N/A 49 42 77 NE10 N/A TC 9
LMZ740>746-211300-
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 49 1024.1 3/ 5
WAUKEGAN HARBOR 46 48 350/ 16/ 21 1025.5 3/ 5
WILMETTE BUOY 48 80/ 17/ 25 1026.9S 3/ 4
CHICAGO BUOY 50 54 60/ 14/ 19 1024.8 3/ 5
HARRISON CRIB 49 40/ 14/ 15 N/A
NORTHERLY ISL 49 40/ 9/ 14 N/A
CALUMET HARBOR 51 40/ 8/ 12 1025.9
BURNS HARBOR 51 80/ 5/ 6 1026.1S
MICHIGAN CITY 49 70/ 8/ 10 1025.5R
ST. JOSEPH BUOY 49 80/ 10/ 14 1026.8R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-211300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 51 41 68 E10 30.21R TC 11
GALESBURG* PTSUNNY 47 37 65 NE10 30.25S TC 9
MACOMB* PTSUNNY 48 40 73 CALM 30.27R TC 9
JACKSONVILLE* MOSUNNY 51 39 65 NE9 30.22R TC 10
PITTSFIELD* MOSUNNY 51 41 68 NE10 30.21S TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-211300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 51 42 73 MISG 30.25S TC 10
BLOOMINGTON SUNNY 48 41 76 NE15 30.24S TC 9
DECATUR CLOUDY 50 44 80 NE12 30.21R TC 10
PEORIA MOSUNNY 49 39 68 NE12 30.24S TC 9
6HR MIN TEMP: 46; 6HR MAX TEMP: 51;
LACON* PTSUNNY 47 37 68 NE8 30.26S TC 9
LINCOLN* MOSUNNY 51 41 69 NE8 30.23R TC 10
SPRINGFIELD CLOUDY 51 39 63 NE12 30.22R TC 11
6HR MIN TEMP: 50; 6HR MAX TEMP: 53; 6HR PCP: TRACE;
TAYLORVILLE MOSUNNY 48 43 81 N7 30.22R TC 9
ILZ033-039-045-046-055>057-062-063-211300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 52 45 77 NE10 30.22R TC 11
DANVILLE* CLOUDY 54 46 74 NE14 30.23F TC 12
RANTOUL* SUNNY 50 41 71 NE10 30.24R TC 10
MATTOON PTSUNNY 53 47 79 NE9 30.19R TC 12
PARIS* CLOUDY 54 48 81 NE12G18 30.20S TC 12
ILZ079-100>102-211300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 43 71 NE9 30.19F TC 11
CAHOKIA* SUNNY 54 46 74 NE7 30.18R TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 61 55 82 N7 30.13 TC 16
CAIRO* CLOUDY 62 59 90 N6 30.12R TC 17
EFFINGHAM* CLOUDY 53 48 84 N6 30.21R TC 12
MT. VERNON CLOUDY 56 49 77 NE5 30.16R TC 13
CENTRALIA* CLOUDY 55 47 75 CALM 30.18R TC 13
SALEM* CLOUDY 55 49 80 MISG 30.18R TC 13
METROPOLIS* CLOUDY 61 61 100 N6 30.12R TC 16
ILZ067-068-072-073-078-083-087-091-211300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 58 53 84 NE13 30.16R TC 14
FLORA* CLOUDY 55 48 76 N9 30.18R TC 13
FAIRFIELD* CLOUDY 56 49 78 N6 30.15R TC 13
HARRISBURG* CLOUDY 60 57 89 N10 30.13S TC 16
ROBINSON* CLOUDY 57 52 82 N9 30.17R TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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