475
ASUS43 KLOT 161406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT SAT MAY 16 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.
ILZ001-002-007-009-015-016-024-161500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 68 62 81 SW8 29.83S TC 20
STERLING* MOSUNNY 68 64 87 W7 29.86R TC 20
SAVANNA* SUNNY 69 62 79 NW7 29.85R TC 21
ILZ003-004-008-010-011-017-018-161500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 67 61 81 W9 29.84R TC 19
FREEPORT* MOSUNNY 68 66 93 W14 29.86R TC 20
ROCHELLE* PTSUNNY 69 62 77 W13 29.85R TC 21
DE KALB* PTSUNNY 68 62 79 SW7 29.84R TC 20
PERU* PTSUNNY 66 63 88 W7 29.87R TC 19
ILZ005-006-012>014-019>023-161500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 67 59 75 SW3 29.79F TC 19
CHICAGO-MIDWAY CLOUDY 65 61 87 W6 29.82R TC 18
AURORA PTSUNNY 67 62 84 S8 29.83R TC 19
JOLIET* PTSUNNY 66 65 96 NW3 29.84R TC 19
WAUKEGAN CLOUDY 65 61 87 W6 29.79R TC 18
DUPAGE AIRPORT PTSUNNY 67 61 81 SW8 29.81R TC 19
KANKAKEE* PTSUNNY 66 62 86 SW6 29.83R TC 19
WHEELING CLOUDY 66 60 81 VRB3 29.79R TC 19
MORRIS* PTSUNNY 66 63 88 W9 29.84R TC 19
ROMEOVILLE* MOSUNNY 64 64 100 NW8G16 29.84R TC 18
LANSING* CLOUDY 64 61 92 W3 29.82R TC 18
NORTHERLY ISL* N/A 66 58 75 SE2 N/A TC 19
LMZ740>746-161500-
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 49 1013.2 1
WAUKEGAN HARBOR 58 51 280/ 4/ 6 1010.1 1/ 4
HARRISON CRIB 66 330/ 8/ 9 N/A
NORTHERLY ISL 61 210/ 2/ 14 N/A
CALUMET HARBOR 64 240/ 5/ 8 1007.8
BURNS HARBOR 63 240/ 5/ 9 1009.1F
MICHIGAN CITY 66 100/ 1/ 4 1005.8F
ST. JOSEPH BUOY 56 130/ 10/ 16 1007.4F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-161500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 72 63 73 S9 29.85R TC 22
GALESBURG* MOSUNNY 69 60 73 S8 29.86R TC 21
MACOMB* MOSUNNY 73 66 76 S14 29.86S TC 23
JACKSONVILLE* PTSUNNY 72 65 78 SE8 29.88S TC 22
PITTSFIELD* CLOUDY 71 67 86 SE6 29.89R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-161500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 69 63 80 MISG 29.86R TC 21
BLOOMINGTON MOSUNNY 71 61 70 S16 29.88R TC 22
DECATUR PTSUNNY 73 65 75 S8 29.91R TC 23
PEORIA MOSUNNY 71 60 68 S12 29.85R TC 22
LACON* PTSUNNY 65 59 80 S6 29.85R TC 19
LINCOLN* MOSUNNY 74 64 72 SE14 29.86S TC 23
SPRINGFIELD CLOUDY 74 65 73 S14 29.87F TC 23
TAYLORVILLE CLOUDY 72 66 83 N5 29.93R TC 22
ILZ033-039-045-046-055>057-062-063-161500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 71 66 84 S17 29.90R TC 22
DANVILLE* PTSUNNY 67 65 93 S10 29.89F TC 19
RANTOUL* PTSUNNY 69 64 82 S13 29.87R TC 21
MATTOON PTSUNNY 70 65 84 CALM 29.92R TC 21
PARIS* PTSUNNY 68 64 87 SW8 29.93F TC 20
ILZ079-100>102-161500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 70 64 83 SW18G28 29.95R TC 21
BELLEVILLE LGT RAIN 73 70 88 CALM 29.91 TC 23
CAHOKIA* CLOUDY 72 66 81 NE3 29.93R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 75 66 73 S16G29 29.93S TC 24
CAIRO* CLOUDY 75 65 72 S8 29.99R TC 24
EFFINGHAM* PTSUNNY 69 69 98 S6 29.96S TC 21
MARION CLOUDY 73 66 78 S13G21 29.94F TC 23
MT. VERNON N/A 76 67 73 S13 29.95R TC 24
CENTRALIA* PTSUNNY 75 68 77 CALM 29.96R TC 24
SALEM* PTSUNNY 73 71 93 CALM 29.94S TC 23
METROPOLIS* CLOUDY 75 65 70 SE5 30.00S TC 24
ILZ067-068-072-073-078-083-087-091-161500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 69 64 84 SE8 29.96F TC 21
FLORA* PTSUNNY 72 66 83 CALM 29.97R TC 22
FAIRFIELD* CLOUDY 73 65 75 CALM 29.96R TC 23
HARRISBURG* CLOUDY 74 67 78 SW8 29.95F TC 23
ROBINSON* PTSUNNY 66 64 94 SW10 29.97R TC 19
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