950
ASUS43 KLOT 150812
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT FRI MAY 15 2026
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.
ILZ001-002-007-009-015-016-024-150900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 62 41 46 SE12 29.86F TC 17
STERLING* PTCLDY 59 46 62 VRB5 29.90F TC 15
SAVANNA* CLOUDY 60 44 55 S7 29.89F TC 15
ILZ003-004-008-010-011-017-018-150900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 54 41 61 SE5 29.94F TC 12
FREEPORT* CLOUDY 54 48 80 SE5 29.92F TC 12
ROCHELLE* CLOUDY 55 39 55 SE5 29.94F TC 13
DE KALB* CLOUDY 52 40 63 SE7 29.95F TC 11
PERU* CLOUDY 61 43 51 S8 29.92F TC 16
ILZ005-006-012>014-019>023-150900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 54 38 54 S8 29.96F TC 12
CHICAGO-MIDWAY LGT RAIN 56 35 45 S5 29.98F TC 13
AURORA CLOUDY 53 39 59 SE8 29.95F TC 12
JOLIET* CLOUDY 56 39 51 CALM 29.97S TC 14
WAUKEGAN MOCLDY 51 43 74 S5 29.96S TC 11
DUPAGE AIRPORT CLOUDY 53 40 61 S7 29.95F TC 12
KANKAKEE* MOCLDY 53 38 56 SE5 29.99F TC 12
WHEELING CLOUDY 53 41 63 SE3 29.98F TC 12
MORRIS* MOCLDY 55 39 54 SE6 29.95F TC 13
ROMEOVILLE* MOCLDY 52 43 71 E5 29.98S TC 11
LANSING* LGT RAIN 51 37 59 SW8 30.00F TC 11
NORTHERLY ISL* N/A 57 32 38 SW6 N/A TC 14
LMZ740>746-150900-
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)
WINTHROP HARBOR 50 1013.6 1/ 3
WAUKEGAN HARBOR 52 51 140/ 4/ 6 1014.7 1/ 3
HARRISON CRIB 55 160/ 11/ 13 N/A
NORTHERLY ISL 54 170/ 7 N/A
CALUMET HARBOR 55 130/ 9/ 12 1014.2F
BURNS HARBOR 54 140/ 6/ 7 1015.9F
MICHIGAN CITY 53 140/ 9/ 11 1015.0F
ST. JOSEPH BUOY 53 150/ 10/ 14 1016.3F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-150900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 57 51 80 E13 29.87R TC 14
GALESBURG* CLOUDY 61 41 47 S6 29.92R TC 16
MACOMB* LGT RAIN 60 47 61 CALM 29.95R TC 16
JACKSONVILLE* CLOUDY 61 42 49 SE12 29.89S TC 16
PITTSFIELD* CLOUDY 60 47 63 E5 29.89S THUNDER TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-150900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 56 44 62 MISG 29.96F TC 14
BLOOMINGTON PTCLDY 56 40 55 SE10 29.95F TC 13
DECATUR CLOUDY 58 41 53 SE10 29.95F TC 14
PEORIA CLOUDY 61 40 45 SE10 29.91F TC 16
LACON* CLOUDY 60 39 45 SE9 29.92F TC 16
LINCOLN* MOCLDY 61 42 50 SE9 29.92F TC 16
SPRINGFIELD CLOUDY 61 39 44 SE12 29.92F TC 16
TAYLORVILLE CLOUDY 57 41 54 SE10 29.94F TC 14
ILZ033-039-045-046-055>057-062-063-150900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 57 39 51 SE12 29.99F TC 14
DANVILLE* PTCLDY 51 42 69 SE5 30.01F TC 11
RANTOUL* LGT RAIN 54 41 62 SE5 29.98F TC 12
MATTOON MOCLDY 55 40 56 SE7 29.99S TC 13
PARIS* MOCLDY 54 39 57 SE5 30.01F TC 12
ILZ079-100>102-150900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 56 44 63 SE8 29.92F TC 13
CAHOKIA* PTCLDY 60 44 55 S9 29.90F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 55 44 66 SE8 29.97F TC 13
CAIRO* CLEAR 58 44 58 SE6 30.00S TC 15
EFFINGHAM* CLOUDY 56 43 60 E7 29.99F TC 14
MARION CLEAR 55 40 59 SE5 30.00S TC 13
MT. VERNON CLEAR 54 41 61 SE3 29.98F TC 12
CENTRALIA* CLEAR 56 41 58 CALM 29.96F TC 13
SALEM* PTCLDY 58 42 55 SE6 29.96F TC 14
METROPOLIS* CLEAR 52 46 79 CALM 30.01S TC 11
ILZ067-068-072-073-078-083-087-091-150900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 52 42 69 E5 30.01F TC 11
FLORA* MOCLDY 54 46 76 SE6 29.99S TC 12
FAIRFIELD* MOCLDY 56 41 58 SE5 30.00S TC 13
HARRISBURG* CLEAR 50 44 82 CALM 30.01R TC 10
ROBINSON* CLOUDY 50 46 87 SE3 30.00F TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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