867
ASUS43 KLOT 162201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM 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.
ILZ001-002-007-009-015-016-024-162300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 81 67 62 SE8 29.81S HX 83 TC 27
STERLING* MOSUNNY 86 61 42 W13 29.83F HX 86 TC 30
SAVANNA* MOSUNNY 82 58 43 CALM 29.84R HX 82 TC 28
ILZ003-004-008-010-011-017-018-162300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 84 59 42 W9 29.85S HX 84 TC 29
FREEPORT* MOSUNNY 82 63 51 W10G18 29.86S HX 83 TC 28
PERU* CLOUDY 79 66 65 SW13 29.85F HX 81 TC 26
ILZ005-006-012>014-019>023-162300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 82 60 47 SW9 29.84S HX 82 TC 28
CHICAGO-MIDWAY CLOUDY 81 63 54 SW15 29.85S HX 82 TC 27
AURORA PTSUNNY 82 63 52 S13 29.84S HX 83 TC 28
WAUKEGAN MOSUNNY 82 58 43 W10 29.84S HX 82 TC 28
DUPAGE AIRPORT PTSUNNY 81 63 54 SW8 29.84S HX 82 TC 27
WHEELING PTSUNNY 83 57 41 SW9 29.85F HX 82 TC 28
MORRIS* CLOUDY 77 64 65 SW12G17 29.86S TC 25
ROMEOVILLE* SUNNY 79 64 61 S13G21 29.88R HX 81 TC 26
LANSING* CLOUDY 78 59 51 W9G17 29.88S TC 26
NORTHERLY ISL* N/A 81 57 43 S10 N/A HX 81 TC 27
LMZ740>746-162300-
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 1023.5F 1
WAUKEGAN HARBOR 72 54 220/ 8/ 10 1011.6F 0
HARRISON CRIB 81 220/ 12/ 13 N/A
NORTHERLY ISL 80 260/ 7/ 15 N/A
CALUMET HARBOR 80 200/ 10/ 12 1011.3R
BURNS HARBOR 72 310/ 2/ 6 1012.2R
MICHIGAN CITY 73 60/ 2/ 2 1010.0F
ST. JOSEPH BUOY 62 140/ 4/ 4 1012.3F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-162300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 76 66 71 E8 29.83R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-162300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 74 61 63 SW14 29.88F TC 23
DECATUR PTSUNNY 71 63 75 CALM 29.88F TC 22
PEORIA CLOUDY 76 63 64 SW8 29.85F TC 24
SPRINGFIELD LGT RAIN 75 61 61 S5 29.83F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-162300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 72 64 76 W6 29.88F TC 22
MATTOON PTSUNNY 74 63 68 S12 29.88F TC 23
ILZ079-100>102-162300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 66 83 SE9 29.89F TC 22
CAHOKIA* PTSUNNY 75 66 73 S12 29.88F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-162300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 80 68 66 S13 29.90F HX 83 TC 27
MARION MOSUNNY 81 68 65 SW14 29.91F HX 83 TC 27
MT. VERNON TSTM 69 63 81 N9G29 29.96R TC 21
SALEM* TSTM 67 67 97 E8 29.90F TC 20
ILZ067-068-072-073-078-083-087-091-162300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* CLOUDY 77 66 68 S9G16 29.92R THUNDER TC 25
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