458
ASUS43 KLOT 201201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-201300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 49 42 77 N7 30.26R TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 52;
STERLING* MOSUNNY 50 44 80 N6 30.27R TC 10
SAVANNA* MOSUNNY 49 44 81 N8 30.27R TC 10
ILZ003-004-008-010-011-017-018-201300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 49 43 80 NW7 30.27R TC 9
6HR MIN TEMP: 42; 6HR MAX TEMP: 52;
FREEPORT* MOSUNNY 49 47 95 N8 30.28R TC 9
ROCHELLE* MOSUNNY 48 44 85 NW3 30.26R TC 9
DE KALB* PTSUNNY 48 41 77 N6 30.25R TC 9
PERU* MOSUNNY 50 45 81 N6 30.24R TC 10
ILZ005-006-012>014-019>023-201300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 53 42 66 N10 30.21R TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY PTSUNNY 55 41 59 N14 30.21R TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 61;
AURORA MOSUNNY 51 43 74 N8 30.22R TC 11
6HR MIN TEMP: 47; 6HR MAX TEMP: 55;
JOLIET* CLOUDY 56 44 63 N6G16 30.22R TC 13
WAUKEGAN PTSUNNY 49 43 80 N6 30.22R TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 55;
DUPAGE AIRPORT MOSUNNY 51 43 74 N9 30.22R TC 11
6HR MIN TEMP: 49; 6HR MAX TEMP: 57;
KANKAKEE* CLOUDY 55 45 67 NE10 30.21R TC 13
WHEELING MOSUNNY 53 42 66 N10 30.23R TC 12
6HR MIN TEMP: 49; 6HR MAX TEMP: 59;
MORRIS* MOSUNNY 52 45 76 N3 30.21R TC 11
ROMEOVILLE* PTSUNNY 55 45 67 N10G17 30.22R TC 13
LANSING* CLOUDY 54 42 63 N10G17 30.22R TC 12
NORTHERLY ISL* N/A 54 42 64 N14 N/A TC 12
LMZ740>746-201300-
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 1021.1R 1
WAUKEGAN HARBOR 51 51 320/ 8/ 10 1022.4R 1
WILMETTE BUOY 53 10/ 14/ 17 1023.6R 1/ 3
CHICAGO BUOY 54 53 350/ 17/ 21 1021.6R 2/ 4
HARRISON CRIB 54 350/ 19/ 20 N/A
CALUMET HARBOR 54 340/ 10/ 16 1022.8
BURNS HARBOR 53 360/ 5/ 7 1023.4R
MICHIGAN CITY 51 360/ 18/ 19 1022.1R
ST. JOSEPH BUOY 50 360/ 12/ 14 1023.1R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 49 44 83 N9 30.26R TC 9
GALESBURG* MOSUNNY 47 43 85 N6 30.26S TC 9
MACOMB* MOSUNNY 49 45 85 N12 30.27R TC 10
JACKSONVILLE* PTSUNNY 51 45 81 N6 30.24R TC 11
PITTSFIELD* CLOUDY 52 45 77 N6 30.26R TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-201300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 52 46 78 MISG 30.22R TC 11
BLOOMINGTON MOSUNNY 51 46 83 N15 30.22R TC 11
DECATUR CLOUDY 54 48 80 N9 30.21R TC 12
PEORIA SUNNY 50 45 83 N8 30.22R TC 10
6HR MIN TEMP: 49; 6HR MAX TEMP: 54;
LACON* SUNNY 50 44 79 N7 30.23S TC 10
LINCOLN* PTSUNNY 54 48 82 N7 30.22S TC 12
SPRINGFIELD CLOUDY 53 46 77 N8 30.22R TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 57;
TAYLORVILLE CLOUDY 54 48 82 N10 30.21R TC 12
ILZ033-039-045-046-055>057-062-063-201300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 53 50 89 N10 30.19R TC 12
DANVILLE* CLOUDY 57 52 82 N8 30.19S TC 14
RANTOUL* CLOUDY 54 48 81 N10 30.19R TC 12
MATTOON CLOUDY 56 50 80 N13 30.17R TC 13
PARIS* CLOUDY 57 51 81 N6 30.18R TC 14
ILZ079-100>102-201300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* LGT RAIN 55 50 83 N10 30.21R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 67 66 97 N5 30.12S TC 20
EFFINGHAM* CLOUDY 56 52 86 N7 30.19S TC 14
MARION LGT RAIN 61 61 100 N12 30.15 TC 16
MT. VERNON CLOUDY 59 55 87 N3 30.17R TC 15
CENTRALIA* CLOUDY 59 54 83 N10 30.18R TC 15
SALEM* CLOUDY 59 56 88 MISG 30.18R TC 15
METROPOLIS* DRIZZLE 67 67 100 N6 30.12R TC 19
ILZ067-068-072-073-078-083-087-091-201300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 60 57 89 NW9 30.13S TC 16
FLORA* PTSUNNY 59 55 88 N8 30.17R TC 15
FAIRFIELD* LGT RAIN 58 56 94 N5 30.15S TC 15
HARRISBURG* LGT RAIN 63 62 98 N6 30.14R TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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