490
ASUS43 KLOT 212307
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT MON JUL 21 2025
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.
ILZ001-002-007-009-015-016-024-220000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 79 73 82 E8 29.98S HX 82 TC 26
ILZ003-004-008-010-011-017-018-220000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 64 56 E7 30.03F HX 82 TC 27
ROCHELLE* CLOUDY 80 66 63 SE6 30.02F HX 82 TC 27
PERU* CLOUDY 81 73 76 E8 30.00F HX 85 TC 27
ILZ005-006-012>014-019>023-220000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 80 62 54 NE12 30.04R HX 81 TC 27
CHICAGO-MIDWAY PTSUNNY 80 58 46 E8 30.03S HX 80 TC 27
AURORA CLOUDY 83 66 56 CALM 30.02R HX 85 TC 28
JOLIET* CLOUDY 82 67 61 CALM 30.02S HX 85 TC 28
WAUKEGAN MOSUNNY 73 59 61 NE9 30.05S TC 23
DUPAGE AIRPORT MOSUNNY 80 61 52 E10 30.02S HX 81 TC 27
KANKAKEE* CLOUDY 80 70 71 SE5 30.02F HX 83 TC 27
WHEELING SUNNY 75 62 64 E10 30.06S TC 24
MORRIS* CLOUDY 80 70 72 SE3 30.01S HX 83 TC 27
ROMEOVILLE* CLOUDY 82 68 61 NE9 30.03R HX 85 TC 28
LANSING* SUNNY 76 66 71 NE8 30.04R TC 25
NORTHERLY ISL* N/A 72 65 78 NE9 N/A TC 22
LMZ740>746-220000-
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)
S. MID LAKE BUOY 68 70 10/ 10/ 12 1018.0R
WINTHROP HARBOR 69 70 350/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 69 70 350/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 70 40/ 12/ 16 1019.5R 2/ 4
CHICAGO BUOY 72 74 10/ 8/ 12 1017.7R 2/ 4
HARRISON CRIB 77 30/ 15/ 16 N/A
NORTHERLY ISL 72 10/ 7/ 11 N/A
CALUMET HARBOR 73 10/ 9/ 12 1016.3
BURNS HARBOR 75 50/ 8/ 8 1017.6S
MICHIGAN CITY 74 30/ 15/ 15 1015.6R
MICH CITY BUOY 75 75 30/ 12/ 16 1015.7R 2/ 4
ST. JOSEPH BUOY 73 75 340/ 16/ 19 1018.0S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-220000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 83 72 69 E6 29.95F HX 88 TC 28
GALESBURG* CLOUDY 80 73 79 SE3 30.00S HX 83 TC 27
MACOMB* PTSUNNY 81 76 87 E7 30.00S HX 87 TC 27
PITTSFIELD* PTSUNNY 83 74 74 CALM 29.97F HX 90 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-220000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 73 80 E6 30.01S HX 83 TC 26
BLOOMINGTON PTSUNNY 79 75 87 E10 30.02R HX 83 TC 26
DECATUR CLOUDY 83 76 79 NE7 29.99R HX 91 TC 28
PEORIA CLOUDY 81 74 79 E5 29.99S HX 86 TC 27
LACON* PTSUNNY 80 71 75 E5 29.98F HX 83 TC 27
LINCOLN* CLOUDY 81 75 82 E5 29.99S HX 88 TC 27
SPRINGFIELD PTSUNNY N/A N/A N/A NE7 29.97S
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-220000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 79 73 80 E9 30.00S HX 83 TC 26
MATTOON PTSUNNY 82 74 76 N6 29.98R HX 88 TC 28
ILZ079-100>102-220000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 75 78 E7 29.98R HX 89 TC 28
BELLEVILLE MOSUNNY 85 75 72 E3 29.94F HX 93 TC 29
CAHOKIA* MOSUNNY 86 75 69 SE6 29.96S HX 95 TC 30
SPARTA* MOSUNNY 87 76 69 NE6 29.98F HX 98 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 85 75 72 NE3 29.96S HX 93 TC 29
CAIRO* PTSUNNY 85 79 81 E7 29.94F HX 98 TC 30
EFFINGHAM* CLOUDY 85 76 74 SW3 29.98F HX 94 TC 30
MARION MOSUNNY 84 75 74 NE6 29.96F HX 92 TC 29
MT. VERNON MOSUNNY 87 74 64 CALM 29.97S HX 95 TC 31
CENTRALIA* MOSUNNY 85 72 66 CALM 29.98S HX 90 TC 29
SALEM* MOSUNNY 85 72 64 CALM 29.98R HX 90 TC 29
METROPOLIS* CLOUDY 79 78 96 CALM 29.96S HX 83 TC 26
ILZ067-068-072-073-078-083-087-091-220000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 87 72 60 W7 29.96S HX 93 TC 31
FLORA* MOSUNNY 86 73 66 E6 29.96F HX 93 TC 30
FAIRFIELD* MOSUNNY 86 72 64 CALM 29.96F HX 92 TC 30
HARRISBURG* PTSUNNY 85 75 70 CALM 29.96F HX 93 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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