587
ASUS43 KLOT 210412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT TUE MAY 20 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.
ILZ001-002-007-009-015-016-024-210500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 59 57 93 NE3 29.65S TC 15
STERLING* MOCLDY 53 53 100 E16 29.68S TC 12
ILZ003-004-008-010-011-017-018-210500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRIZZLE 49 46 90 E14 29.72R FOG TC 9
ROCHELLE* CLOUDY 51 49 95 NE9 29.69S FOG TC 10
DE KALB* CLOUDY 49 49 100 E12G17 29.69S FOG TC 10
PERU* CLOUDY 56 54 93 NE12 29.66S FOG TC 14
ILZ005-006-012>014-019>023-210500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE DRIZZLE 50 49 96 NE13 29.68S FOG TC 10
CHICAGO-MIDWAY DRIZZLE 53 50 89 NE10 29.67S FOG TC 12
AURORA CLOUDY 52 49 89 NE13 29.67R FOG TC 11
JOLIET* CLOUDY 57 56 98 N5 29.66S FOG TC 14
WAUKEGAN CLOUDY 46 44 93 NE10 29.72S TC 8
DUPAGE AIRPORT CLOUDY 51 49 92 NE10 29.67F FOG TC 11
KANKAKEE* CLOUDY 57 55 95 NE6 29.66R TC 14
WHEELING LGT RAIN 48 47 96 E10 29.71S FOG TC 9
MORRIS* CLOUDY 55 55 100 CALM 29.65S FOG TC 13
ROMEOVILLE* CLOUDY 54 54 100 N8 29.67S FOG TC 12
LANSING* HVY RAIN 54 54 100 NE3 29.66F TC 12
NORTHERLY ISL* N/A 51 48 89 NE12 N/A TC 11
LMZ740>746-210500-
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 1005.7R 4/ 5
CHICAGO BUOY 51 55 50/ 12/ 16 1006.0 4/ 5
HARRISON CRIB 53 70/ 18/ 20 N/A
NORTHERLY ISL 51 60/ 15/ 17 N/A
CALUMET HARBOR 52 40/ 10/ 14 1003.8
BURNS HARBOR 53 80/ 5/ 7 1005.4F
MICHIGAN CITY 53 80/ 11/ 13 1004.0F
ST. JOSEPH BUOY 51 50 100/ 8/ 14 1006.2S 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-210500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 60 51 72 W10 29.73R TC 16
GALESBURG* CLOUDY 57 55 94 W18G24 29.70R TC 14
MACOMB* CLOUDY 59 55 86 W16G23 29.72S TC 15
JACKSONVILLE* CLOUDY 60 52 74 SW10 29.73R TC 16
PITTSFIELD* CLEAR 60 52 74 W8 29.75S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-210500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 59 58 97 N5 29.65S FOG TC 15
BLOOMINGTON CLOUDY 62 59 90 W20 29.67S TC 17
DECATUR PTCLDY 64 56 75 W18G31 29.69R TC 18
PEORIA CLOUDY 60 58 92 W10 29.67S TC 16
LACON* CLOUDY 58 56 93 CALM 29.65S TC 15
LINCOLN* CLOUDY 62 56 78 W5 29.69S TC 17
SPRINGFIELD CLOUDY 61 54 77 W14G23 29.71R TC 16
TAYLORVILLE PTCLDY 61 54 77 MISG 29.73R TC 16
ILZ033-039-045-046-055>057-062-063-210500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 64 58 80 W13 29.66R TC 18
RANTOUL* CLOUDY 61 61 99 W6 29.66R TC 16
MATTOON MOCLDY 64 57 78 W15G35 29.69R TC 18
PARIS* PTCLDY 61 60 97 SW6 29.67R TC 16
ILZ079-100>102-210500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 63 53 70 W12 29.75F TC 17
BELLEVILLE MOCLDY 65 56 73 NW12 29.73R TC 18
CAHOKIA* CLOUDY 67 49 52 W14G28 29.75R TC 19
SPARTA* CLEAR 68 54 61 W9 29.76S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 70 54 56 NW15G31 29.73R TC 21
CAIRO* CLEAR 71 64 79 W14 29.75R TC 21
MARION CLOUDY 70 58 66 W7 29.74R TC 21
MT. VERNON N/A 68 59 73 VRB6 29.73R TC 20
CENTRALIA* CLOUDY 67 55 66 NW13G22 29.74R TC 19
SALEM* CLOUDY 66 54 64 NW17G23 29.74R TC 19
METROPOLIS* PTCLDY 69 67 94 W6 29.73R TC 21
ILZ067-068-072-073-078-083-087-091-210500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 68 61 78 W5 29.67R TC 20
FLORA* MOCLDY 68 57 68 NW14 29.71R TC 20
FAIRFIELD* MOCLDY 67 60 78 NW7G16 29.70R TC 20
HARRISBURG* MOCLDY 70 64 81 W13G18 29.71R TC 21
ROBINSON* CLOUDY 68 64 88 NW1 29.66R TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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