271
ASUS43 KLOT 210501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT WED MAY 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.
ILZ001-002-007-009-015-016-024-210600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 59 57 93 NE9 29.65S FOG TC 15
STERLING* CLOUDY 52 52 100 NE8 29.68S FOG TC 11
ILZ003-004-008-010-011-017-018-210600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRIZZLE 48 46 93 VRB6 29.71F FOG TC 9
ILZ005-006-012>014-019>023-210600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE DRIZZLE 50 48 93 NE10 29.67F FOG TC 10
CHICAGO-MIDWAY CLOUDY 53 50 89 NE8 29.67S FOG TC 12
AURORA CLOUDY 52 49 89 NE10 29.66F FOG TC 11
WAUKEGAN CLOUDY 46 43 89 NE10 29.70F TC 8
DUPAGE AIRPORT CLOUDY 50 48 93 NE8 29.67S TC 10
WHEELING CLOUDY 48 47 96 NE10 29.70F TC 9
MORRIS* CLOUDY 55 55 100 CALM 29.65S FOG TC 13
LANSING* CLOUDY 54 54 100 NE6 29.66S TC 12
NORTHERLY ISL* N/A 50 48 93 NE13 N/A TC 10
LMZ740>746-210600-
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)
WILMETTE BUOY 47 1005.1F 4/ 5
CHICAGO BUOY 51 55 50/ 14/ 17 1005.7F 3/ 5
HARRISON CRIB 52 60/ 17/ 18 N/A
NORTHERLY ISL 50 40/ 10/ 16 N/A
CALUMET HARBOR 52 40/ 7/ 10 1003.6
BURNS HARBOR 53 80/ 4/ 6 1005.1F
MICHIGAN CITY 53 90/ 8/ 11 1003.8F
ST. JOSEPH BUOY 51 50 120/ 14/ 17 1006.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-210600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 51 72 W15 29.73S TC 16
GALESBURG* CLOUDY 57 54 89 W14 29.69F TC 14
MACOMB* CLOUDY 58 55 87 W13 29.72S TC 15
PITTSFIELD* PTCLDY 60 51 73 W10 29.75S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-210600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 60 58 92 W14 29.67S TC 16
DECATUR MOCLDY 62 53 72 W17G30 29.70R TC 17
PEORIA LGT RAIN 59 57 93 W14G21 29.68R TC 15
LACON* LGT RAIN 58 56 94 CALM 29.65S TC 14
LINCOLN* CLOUDY 62 54 76 W5 29.69S TC 17
SPRINGFIELD MOCLDY 60 54 80 W12 29.71S TC 16
TAYLORVILLE PTCLDY 59 54 82 MISG 29.72F TC 15
ILZ033-039-045-046-055>057-062-063-210600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 63 58 83 W17 29.68R TC 17
RANTOUL* CLOUDY 62 58 88 W12 29.67R TC 17
MATTOON PTCLDY 61 53 75 W18G35 29.70R TC 16
ILZ079-100>102-210600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 64 53 67 W10 29.75S TC 18
BELLEVILLE CLEAR 66 50 57 W13 29.74R TC 19
CAHOKIA* CLEAR 65 48 54 W15G28 29.76R TC 18
SPARTA* CLEAR 66 51 57 W12G20 29.78R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 68 52 56 W13G21 29.75R TC 20
CAIRO* CLEAR 68 58 69 W8 29.78R TC 20
MARION PTCLDY 67 54 62 NW5 29.77R TC 20
MT. VERNON N/A 65 55 70 VRB3 29.75R TC 18
CENTRALIA* CLEAR 64 53 68 NW9 29.75R TC 18
SALEM* PTCLDY 64 52 65 NW8G18 29.74S TC 18
METROPOLIS* PTCLDY 69 58 67 W12 29.76R TC 21
ILZ067-068-072-073-078-083-087-091-210600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 67 57 70 NW16G30 29.70R TC 19
FLORA* PTCLDY 64 54 68 NW12G17 29.74R TC 18
FAIRFIELD* MOCLDY 65 53 66 NW12 29.73R TC 18
HARRISBURG* CLOUDY 69 55 61 NW16G23 29.74R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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