194
ASUS43 KLOT 162303
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-170000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 81 67 62 S6 29.80F HX 83 TC 27
STERLING* MOSUNNY 82 66 58 VRB6 29.83S HX 84 TC 28
SAVANNA* MOSUNNY 84 59 42 NE5 29.82F HX 84 TC 29
ILZ003-004-008-010-011-017-018-170000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 81 59 47 W8 29.84F HX 81 TC 27
FREEPORT* MOSUNNY 82 63 52 NW8 29.85F HX 83 TC 28
DE KALB* MOSUNNY 81 61 50 SW8 29.85S HX 82 TC 27
PERU* PTSUNNY 81 66 61 SW10 29.84F HX 83 TC 27
ILZ005-006-012>014-019>023-170000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 81 62 52 S9 29.82F HX 82 TC 27
CHICAGO-MIDWAY CLOUDY 79 61 53 SW12 29.83F HX 80 TC 26
AURORA PTSUNNY 81 65 58 S10 29.83F HX 83 TC 27
JOLIET* CLOUDY 79 65 61 W6 29.84F HX 81 TC 26
WAUKEGAN MOSUNNY 82 58 43 W7 29.82F HX 82 TC 28
DUPAGE AIRPORT PTSUNNY 80 64 58 S12 29.83F HX 82 TC 27
KANKAKEE* CLOUDY 77 57 50 W9 29.87S TC 25
WHEELING PTSUNNY 83 62 49 SW7 29.83F HX 84 TC 28
ROMEOVILLE* SUNNY 79 64 61 SW8G16 29.85F HX 81 TC 26
LANSING* CLOUDY 78 59 50 W10 29.85F TC 26
NORTHERLY ISL* N/A 80 59 48 S9 N/A HX 81 TC 27
LMZ740>746-170000-
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 1021.0F 1
WAUKEGAN HARBOR 60 54 110/ 8/ 10 1011.3F 0
HARRISON CRIB 80 230/ 11/ 12 N/A
NORTHERLY ISL 80 190/ 7/ 13 N/A
CALUMET HARBOR 79 210/ 9/ 12 1010.8F
BURNS HARBOR 71 270/ 6/ 8 1011.5F
MICHIGAN CITY 75 CALM / 1 1009.2F
ST. JOSEPH BUOY 67 110/ 2/ 2 1012.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 73 67 81 E6 29.82F TC 23
GALESBURG* MOSUNNY 78 61 55 S8 29.83F HX 80 TC 26
MACOMB* MOSUNNY 79 60 52 SW8 29.84F HX 80 TC 26
JACKSONVILLE* MOSUNNY 77 65 67 CALM 29.85F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-170000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 74 60 61 S10 29.88S TC 23
DECATUR PTSUNNY 73 66 78 S12 29.88S TC 23
PEORIA MOSUNNY 77 61 57 SW7 29.85S TC 25
SPRINGFIELD PTSUNNY 77 63 61 E7 29.88R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 72 63 73 SE6 29.91R TC 22
DANVILLE* PTSUNNY 73 64 71 SW9 29.91R TC 23
MATTOON CLOUDY 72 64 76 SE6 29.89R TC 22
PARIS* PTSUNNY 73 65 75 S12 29.89R TC 23
ILZ079-100>102-170000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 70 66 88 S9 29.86F TC 21
BELLEVILLE PTSUNNY 71 69 92 S6 29.86S TC 22
CAHOKIA* PTSUNNY 75 66 73 SE7 29.85F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 80 66 62 S7 29.91R HX 82 TC 27
CAIRO* PTSUNNY 84 65 52 S12 29.92S HX 86 TC 29
EFFINGHAM* LGT RAIN 69 69 99 SE14G20 29.94R TC 21
MARION MOSUNNY 79 64 61 S6 29.92R HX 81 TC 26
MT. VERNON MOSUNNY 66 65 96 CALM 29.92F TC 19
SALEM* LGT RAIN 67 65 94 SE3 29.91F TC 19
ILZ067-068-072-073-078-083-087-091-170000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* LGT RAIN 66 66 100 S12 29.94F TC 19
FAIRFIELD* TSTM 68 66 93 NW5 29.95R TC 20
HARRISBURG* PTSUNNY 78 67 68 SW10 29.94R HX 80 TC 26
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