737
ASUS43 KLOT 151010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT THU MAY 15 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.
ILZ001-002-007-009-015-016-024-151100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 65 61 87 E8 29.54F TC 18
STERLING* CLEAR 65 63 93 E6 29.59F TC 18
ILZ003-004-008-010-011-017-018-151100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 64 59 83 E8 29.61F TC 18
ROCHELLE* PTCLDY 64 58 82 SE8 29.62S TC 18
DE KALB* CLEAR 63 61 92 SE9 29.63F TC 17
PERU* CLEAR 68 61 79 SE9 29.60S TC 20
ILZ005-006-012>014-019>023-151100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 58 53 84 NE6 29.63S TC 14
CHICAGO-MIDWAY PTCLDY 63 57 81 E5 29.64S TC 17
AURORA CLEAR 65 60 84 SE7 29.62S TC 18
JOLIET* CLEAR 67 64 88 CALM 29.64S TC 20
WAUKEGAN FOG 52 32 46 NE3 29.65S VSB 1/2 TC 11
DUPAGE AIRPORT CLEAR 61 57 87 CALM 29.63S TC 16
KANKAKEE* MOCLDY 64 62 91 SE6 29.65S TC 18
WHEELING CLEAR 54 51 90 E3 29.66S TC 12
MORRIS* PTCLDY 66 62 88 SE7 29.62S TC 19
ROMEOVILLE* PTCLDY 66 66 100 SE7 29.64S TC 19
LANSING* CLEAR 64 63 97 SE3 29.66R TC 18
NORTHERLY ISL* N/A 53 52 96 MISG N/A TC 12
LMZ740>746-151100-
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 53 360/ 5/ 6 N/A
NORTHERLY ISL 53 10/ 2/ 5 N/A
CALUMET HARBOR 53 340/ 1/ 2 1003.1S
BURNS HARBOR 69 160/ 5/ 7 1004.7S
MICHIGAN CITY 67 140/ 9/ 10 1003.1R
ST. JOSEPH BUOY 62 56 150/ 10/ 12 1005.4S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-151100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 70 66 87 SE9 29.53S TC 21
GALESBURG* CLEAR 68 64 87 E5 29.57F TC 20
MACOMB* CLEAR 69 66 92 SE9 29.57F TC 20
JACKSONVILLE* PTCLDY 71 65 83 SE8 29.56S TC 22
PITTSFIELD* CLEAR 70 69 98 SE8 29.56S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-151100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 65 63 91 SE8 29.63S TC 19
BLOOMINGTON PTCLDY 67 67 100 SE10 29.63S TC 19
DECATUR PTCLDY 70 67 90 SE8 29.61F TC 21
PEORIA CLEAR 70 66 87 SE7 29.58F TC 21
LACON* CLEAR 67 62 83 SE7 29.59S TC 20
LINCOLN* MOCLDY 71 71 100 SE6 29.60F TC 22
SPRINGFIELD MOCLDY 71 67 87 SE13 29.57F TC 22
TAYLORVILLE MOCLDY 70 66 88 MISG 29.60S TC 21
ILZ033-039-045-046-055>057-062-063-151100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 68 65 90 SE8 29.64S TC 20
RANTOUL* PTCLDY 65 63 93 SE6 29.64S TC 19
MATTOON PTCLDY 68 67 96 SE8 29.62F TC 20
PARIS* CLEAR 66 64 92 CALM 29.65S TC 19
ILZ079-100>102-151100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 68 67 98 SE6 29.58F TC 20
BELLEVILLE PTCLDY 70 67 90 S7 29.57S TC 21
CAHOKIA* PTCLDY 71 67 87 S6 29.57S TC 22
SPARTA* CLEAR 73 68 86 S8 29.61S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 72 65 78 S9 29.61 TC 22
CAIRO* CLEAR 73 66 78 S6 29.65S TC 23
EFFINGHAM* MOCLDY 68 67 98 E3 29.65S TC 20
MARION PTCLDY 71 65 81 S7 29.64S TC 22
MT. VERNON N/A 71 67 87 S6 29.63S TC 22
CENTRALIA* PTCLDY 72 66 82 S9 29.61S TC 22
SALEM* PTCLDY 73 66 79 S6 29.62S TC 23
METROPOLIS* CLEAR 72 64 74 CALM 29.66S TC 22
ILZ067-068-072-073-078-083-087-091-151100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 67 65 93 SE6 29.65S TC 19
FLORA* CLEAR 70 66 88 S7 29.64R TC 21
FAIRFIELD* MOCLDY 72 64 78 S6 29.63F TC 22
HARRISBURG* MOCLDY 72 65 79 S5 29.64F TC 22
ROBINSON* PTCLDY 68 66 94 SE7 29.64S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page