485
ASUS43 KLOT 210901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM 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.
ILZ001-002-007-009-015-016-024-211000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 62 81 E10 30.00F TC 20
ILZ003-004-008-010-011-017-018-211000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 63 56 78 VRB3 30.07S HAZE TC 17
ROCHELLE* CLOUDY 63 59 88 NE7 30.06R TC 17
PERU* CLOUDY 65 64 94 NE6 30.04S TC 19
ILZ005-006-012>014-019>023-211000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 64 62 93 N6 30.04R TC 18
CHICAGO-MIDWAY PTCLDY 69 64 84 N6 30.04R TC 21
AURORA CLOUDY 64 61 90 NE6 30.05R FOG TC 18
JOLIET* CLOUDY 67 64 91 CALM 30.05R TC 19
WAUKEGAN CLEAR 67 62 84 NE7 30.05S TC 19
DUPAGE AIRPORT MOCLDY 62 59 90 N6 30.05R FOG TC 17
KANKAKEE* CLOUDY 66 64 96 NE3 30.04R TC 19
WHEELING CLEAR 64 62 93 CALM 30.06R TC 18
MORRIS* CLOUDY 63 63 100 CALM 30.04R TC 17
ROMEOVILLE* CLOUDY 66 66 100 N5 30.06R TC 19
LANSING* MOCLDY 66 65 94 NE5 30.04S TC 19
NORTHERLY ISL* N/A 68 66 93 N3 N/A TC 20
LMZ740>746-211000-
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 70 70 70/ 12/ 16 1018.0R
WINTHROP HARBOR 70 68 20/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 70 69 40/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 71 90/ 10/ 16 1019.4R 3/ 5
CHICAGO BUOY 73 71 80/ 4/ 6 1017.5R 2/ 5
HARRISON CRIB 77 50/ 8/ 9 N/A
NORTHERLY ISL 69 360/ 4/ 6 N/A
CALUMET HARBOR 72 40/ 3/ 6 1016.1
BURNS HARBOR 68 50/ 3/ 5 1017.6R
MICHIGAN CITY 67 40/ 4/ 4 1016.0R
MICH CITY BUOY 71 75 70/ 6/ 8 1015.9R 2/ 5
ST. JOSEPH BUOY 70 75 30/ 12/ 16 1017.9R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-211000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 73 72 96 SE5 29.93F TC 23
GALESBURG* CLOUDY 70 69 96 E8 30.01F TC 21
MACOMB* CLOUDY 73 73 99 NE9 29.99F FOG TC 23
PITTSFIELD* MOCLDY 73 72 98 NE3 29.94F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-211000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 68 66 94 NE3 30.03R TC 20
BLOOMINGTON CLOUDY 69 69 100 NE9 30.02S FOG TC 21
DECATUR MOCLDY 74 73 97 CALM 29.99R TC 23
PEORIA CLOUDY 71 69 93 E9 30.01R FOG TC 22
LACON* CLOUDY 67 63 86 CALM 30.02S TC 20
LINCOLN* CLOUDY 74 74 100 CALM 29.99S TC 23
SPRINGFIELD CLOUDY 75 74 96 CALM 29.98S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-211000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 70 70 99 NE7 30.00R FOG TC 21
MATTOON CLOUDY 72 72 100 NE5 29.98R TC 22
ILZ079-100>102-211000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 73 72 97 CALM 29.99F TC 23
BELLEVILLE CLOUDY 76 74 96 CALM 29.97 TC 24
CAHOKIA* HVY RAIN 72 71 97 S7 29.96 FOG TC 22
SPARTA* CLOUDY 75 74 95 NW5 30.02R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 76 71 85 NW18G29 30.00R TC 24
CAIRO* PTCLDY 80 77 91 CALM 29.98R HX 85 TC 27
EFFINGHAM* CLOUDY 72 72 100 SW5 29.98R TC 22
MARION MOCLDY 75 73 92 NE3 30.00R TC 24
MT. VERNON LGT RAIN 73 71 93 W6 29.98S TC 23
CENTRALIA* RAIN 73 72 98 W3 29.99F TC 23
SALEM* RAIN 73 72 97 SW6 29.97F TC 23
METROPOLIS* CLEAR 78 77 96 CALM 29.98S HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-211000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 73 32 22 CALM N/A TC 23
FLORA* LGT RAIN 73 N/A N/A CALM 29.94F TC 23
FAIRFIELD* CLOUDY 72 72 99 CALM 29.95S TC 22
HARRISBURG* MOCLDY 75 72 90 CALM 29.98F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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