222
ASUS43 KLOT 202201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SAT JUN 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.
ILZ001-002-007-009-015-016-024-202300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 78 54 43 NW13G21 29.96S TC 26
STERLING* SUNNY 79 53 40 W12 29.97F TC 26
SAVANNA* MOSUNNY 76 52 42 W7 29.96S TC 25
ILZ003-004-008-010-011-017-018-202300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 77 52 41 W14 29.96S TC 25
FREEPORT* PTSUNNY 77 57 49 NW10 29.98S TC 25
DE KALB* MOSUNNY 75 55 49 NW9G16 29.96F TC 24
ILZ005-006-012>014-019>023-202300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 50 41 NW9G22 29.93S TC 24
CHICAGO-MIDWAY PTSUNNY 76 51 41 NW13 29.93F TC 24
AURORA MOSUNNY 77 54 44 NW14 29.95S TC 25
JOLIET* MOSUNNY 78 53 40 W7 29.95F TC 26
WAUKEGAN MOSUNNY 75 53 46 NW8G18 29.93S TC 24
DUPAGE AIRPORT MOSUNNY 75 52 44 NW10G21 29.94S TC 24
KANKAKEE* MOSUNNY 77 53 42 W12G18 29.96F TC 25
WHEELING MOSUNNY 75 50 41 W10 29.95S TC 24
ROMEOVILLE* MOSUNNY 77 54 44 W14G22 29.95F TC 25
LANSING* MOSUNNY 76 50 39 W12 29.94F TC 25
NORTHERLY ISL* N/A 66 57 72 S2 N/A TC 19
LMZ740>746-202300-
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 60 54 1013.4R 0
WAUKEGAN HARBOR 70 54 290/ 8/ 12 1014.4R 1
WILMETTE BUOY 63 160/ 6/ 8 1016.4F 1
CHICAGO BUOY 64 62 170/ 4/ 6 1013.0S 1/ 3
HARRISON CRIB 67 140/ 9/ 10 N/A
NORTHERLY ISL 66 150/ 5/ 6 N/A
CALUMET HARBOR 68 100/ 4/ 7 1014.2
BURNS HARBOR 50/ 3/ 3 1014.9S
MICHIGAN CITY 68 40/ 1/ 1 1013.2R
MICH CITY BUOY 67 65 120/ 4/ 4 992.9R 1
ST. JOSEPH BUOY 69 66 CALM 1015.0S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-202300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 80 53 39 NW5 29.97F HX 80 TC 27
GALESBURG* MOSUNNY 77 54 45 NW9 29.99S TC 25
MACOMB* MOSUNNY 79 56 44 CALM 30.00S HX 80 TC 26
JACKSONVILLE* MOSUNNY 79 56 45 NW3 29.97F TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-202300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 79 54 41 W10G20 29.98S TC 26
DECATUR SUNNY 79 55 43 VRB6 29.97F TC 26
PEORIA MOSUNNY 78 53 41 NW9 29.97S TC 26
SPRINGFIELD SUNNY 80 57 45 NW7 29.97F HX 80 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-202300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 78 55 44 W13 29.97S TC 26
DANVILLE* SUNNY 80 52 37 W10G18 29.97S HX 80 TC 27
MATTOON MOSUNNY 80 58 46 NW8 29.96F HX 80 TC 27
PARIS* SUNNY 80 55 42 W8 29.96F HX 80 TC 27
ILZ079-100>102-202300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 82 63 51 VRB7 29.96F HX 83 TC 28
CAHOKIA* MOSUNNY 85 64 49 N7 29.94F HX 86 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 87 62 43 SW8 29.93F HX 87 TC 31
CAIRO* SUNNY 86 65 49 CALM 29.95F HX 88 TC 30
EFFINGHAM* PTSUNNY 82 61 49 NW8 29.98S HX 82 TC 28
MARION MOSUNNY 86 61 42 S6 29.94F HX 86 TC 30
MT. VERNON MOSUNNY 85 64 49 N6 29.95F HX 86 TC 29
CENTRALIA* CLOUDY 86 62 44 CALM 29.96S HX 86 TC 30
SALEM* PTSUNNY 82 68 61 MISG 29.96S HX 85 TC 28
METROPOLIS* SUNNY 84 64 50 W5 29.96S HX 86 TC 29
ILZ067-068-072-073-078-083-087-091-202300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 83 63 50 W12 29.94F HX 84 TC 28
FLORA* PTSUNNY 81 64 57 N8 29.96S HX 82 TC 27
FAIRFIELD* CLOUDY 82 62 50 CALM 29.95S HX 83 TC 28
HARRISBURG* MOSUNNY 85 65 50 CALM 29.94F HX 87 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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