594
ASUS43 KLOT 170501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SAT MAY 17 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.
ILZ001-002-007-009-015-016-024-170600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 59 42 53 W30G46 29.53S TC 15
STERLING* CLOUDY 58 43 57 W21 29.52R TC 14
ILZ003-004-008-010-011-017-018-170600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 57 41 55 W14G30 29.50R TC 14
ROCHELLE* CLOUDY 57 39 51 W23G38 29.51R HAZE TC 14
DE KALB* MOCLDY 58 42 57 W21G36 29.51R TC 14
PERU* PTCLDY 63 41 44 W21G36 29.52S TC 17
ILZ005-006-012>014-019>023-170600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 63 42 46 W20G30 29.47R TC 17
CHICAGO-MIDWAY CLOUDY 67 40 37 W24G37 29.48R TC 19
AURORA PTCLDY 61 42 49 W25G38 29.50R TC 16
JOLIET* CLOUDY 66 41 41 W12G21 29.52R TC 19
WAUKEGAN MOCLDY 62 32 32 W21G41 29.43R TC 17
DUPAGE AIRPORT PTCLDY 61 41 47 W18G35 29.50R TC 16
KANKAKEE* CLOUDY 68 42 39 W13G22 29.54R TC 20
WHEELING CLOUDY 63 40 42 W21G35 29.48R TC 17
MORRIS* MOCLDY 64 42 45 W20G25 29.51R TC 18
ROMEOVILLE* CLOUDY 64 43 45 W14G26 29.52R TC 18
LANSING* CLOUDY 67 42 41 W13G25 29.49R TC 19
NORTHERLY ISL* N/A 66 37 34 W14 N/A TC 19
LMZ740>746-170600-
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)
HARRISON CRIB 70 290/ 31/ 36 N/A
NORTHERLY ISL 68 280/ 10/ 20 N/A
CALUMET HARBOR 71 250/ 8/ 16 996.5
BURNS HARBOR 65 260/ 7/ 10 998.3S
MICHIGAN CITY 62 240/ 13/ 15 996.6R
ST. JOSEPH BUOY 61 54 270/ 17/ 25 998.7 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-170600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 66 40 38 W18G35 29.63R TC 19
GALESBURG* CLOUDY 61 39 45 W21 29.58R TC 16
MACOMB* PTCLDY 63 41 45 W17G24 29.60S TC 17
PITTSFIELD* PTCLDY 69 39 33 W10G18 29.65R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-170600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 65 39 39 W16G26 29.55R TC 18
BLOOMINGTON CLOUDY 65 43 44 W18 29.58R TC 18
DECATUR MOCLDY 69 46 43 W7 29.60R TC 21
PEORIA PTCLDY 65 40 39 W17G28 29.56F TC 18
LINCOLN* MOCLDY 69 43 38 W5 29.59R TC 21
SPRINGFIELD MOCLDY 70 43 37 W12G21 29.60R TC 21
TAYLORVILLE CLEAR 66 48 52 MISG 29.62R TC 19
ILZ033-039-045-046-055>057-062-063-170600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 65 51 60 W12 29.58R TC 18
RANTOUL* CLOUDY 65 49 55 W6 29.57R TC 19
MATTOON CLEAR 67 59 75 SW8G18 29.58R TC 19
PARIS* CLEAR 66 59 78 SW6 29.58R TC 19
ILZ079-100>102-170600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 69 44 39 W10 29.66R TC 21
BELLEVILLE CLEAR 67 51 56 SW7 29.64R TC 20
CAHOKIA* CLEAR 71 45 39 SW7 29.65R TC 22
SPARTA* CLEAR 69 56 64 SW8 29.71R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 67 60 78 SW7 29.70S TC 19
EFFINGHAM* CLEAR 68 58 71 S9 29.64S TC 20
MT. VERNON N/A 67 62 84 SW9 29.68R TC 19
CENTRALIA* CLEAR 69 57 65 SW10 29.66S TC 21
SALEM* CLEAR 70 56 60 SW12 29.65S TC 21
METROPOLIS* CLEAR 66 65 97 W5 29.73S TC 19
ILZ067-068-072-073-078-083-087-091-170600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 70 61 73 SW13 29.64R TC 21
FLORA* CLEAR 70 61 73 SW8 29.65S TC 21
FAIRFIELD* CLEAR 68 63 82 SW9 29.67R TC 20
HARRISBURG* CLEAR 65 63 93 SW3 29.71R TC 19
ROBINSON* CLEAR 68 63 83 SW12 29.62R TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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