504
ASUS43 KLOT 190010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT MON MAY 18 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.
ILZ001-002-007-009-015-016-024-190100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 72 64 76 S7 29.84R TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 75;
STERLING* PTSUNNY 75 63 66 SW10 29.87R TC 24
SAVANNA* PTSUNNY 75 64 68 S6 29.84R TC 24
ILZ003-004-008-010-011-017-018-190100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 60 55 SW10 29.86R TC 25
6HR MIN TEMP: 77; 6HR MAX TEMP: 80;
FREEPORT* PTSUNNY 76 64 66 SW10 29.86R TC 25
ROCHELLE* CLOUDY 76 58 53 SW16 29.87R TC 25
DE KALB* CLOUDY 72 65 80 S16 29.89R TC 22
PERU* CLOUDY 72 66 83 S8 29.89R TC 22
ILZ005-006-012>014-019>023-190100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 63 68 S15G23 29.85S TC 23
6HR MIN TEMP: 73; 6HR MAX TEMP: 79;
CHICAGO-MIDWAY CLOUDY 73 64 73 SW16G25 29.87S TC 23
6HR MIN TEMP: 71; 6HR MAX TEMP: 80;
AURORA CLOUDY 72 65 78 S12 29.87R TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 79;
JOLIET* CLOUDY 73 66 81 S8 29.89R TC 23
WAUKEGAN PTSUNNY 76 64 66 SW15G26 29.81F TC 24
6HR MIN TEMP: 72; 6HR MAX TEMP: 82;
DUPAGE AIRPORT CLOUDY 72 64 76 S13G22 29.86R TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 78;
KANKAKEE* CLOUDY 69 64 83 S12G17 29.92R TC 21
WHEELING CLOUDY 74 64 71 S16G26 29.85S TC 23
6HR MIN TEMP: 72; 6HR MAX TEMP: 80;
MORRIS* CLOUDY 72 64 78 S7 29.88R TC 22
ROMEOVILLE* SUNNY 72 66 83 S20 29.88F TC 22
LANSING* CLOUDY 70 63 79 S14 29.89F TC 21
NORTHERLY ISL* N/A 72 61 68 SW13 N/A TC 22
LMZ740>746-190100-
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 1017.8 1/ 3
WAUKEGAN HARBOR 65 53 200/ 8/ 12 1011.1 1/ 3
WILMETTE BUOY 66 210/ 12/ 17 1012.5F 1/ 3
CHICAGO BUOY 65 55 210/ 14/ 17 1010.1 2/ 3
HARRISON CRIB 70 190/ 23/ 25 N/A
NORTHERLY ISL 74 160/ 11/ 20 N/A
CALUMET HARBOR 72 190/ 10/ 17 1011.7
BURNS HARBOR 71 190/ 12/ 16 1012.2F
MICHIGAN CITY 73 180/ 20/ 26 1010.6F
ST. JOSEPH BUOY 63 210/ 12/ 14 1012.8F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 67 61 81 S9 29.85R TC 19
GALESBURG* PTSUNNY 70 64 81 SE3 29.86S TC 21
MACOMB* PTSUNNY 69 65 87 CALM 29.87S TC 20
JACKSONVILLE* PTSUNNY 65 63 91 S20G30 29.89R TC 19
PITTSFIELD* PTSUNNY 68 62 83 S9G16 29.87F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-190100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 70 66 87 MISG 29.91R TC 21
BLOOMINGTON CLOUDY 66 64 93 SW16 29.95R TC 19
DECATUR CLOUDY 66 62 87 MISG 29.91F TC 19
PEORIA NOT AVBL
LACON* CLOUDY 70 63 77 E6 29.86S TC 21
LINCOLN* CLOUDY 68 63 85 E5 29.85S TC 20
SPRINGFIELD PTSUNNY 68 61 78 W25G39 29.88R TC 20
6HR MIN TEMP: 66; 6HR MAX TEMP: 68; 6HR PCP: 0.22;
TAYLORVILLE CLOUDY 64 63 94 SE17G23 29.91F TC 18
ILZ033-039-045-046-055>057-062-063-190100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 67 64 90 S16 29.93S TC 19
DANVILLE* CLOUDY 67 64 90 S12 29.96R TC 20
RANTOUL* CLOUDY 67 63 87 SW6 29.96R TC 19
MATTOON LGT RAIN 66 64 93 S18G36 30.00R TC 19
PARIS* CLOUDY 66 65 97 S18G24 29.95F TC 19
ILZ079-100>102-190100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 64 63 94 S20G32 29.92F TC 18
BELLEVILLE CLOUDY 68 66 94 SE7 30.00 TC 20
CAHOKIA* TSTM 65 64 97 SE21G29 29.94F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 70 64 83 NE7 30.04S TC 21
CAIRO* CLOUDY 74 71 91 NW5 30.03R TC 23
EFFINGHAM* LGT RAIN 65 65 100 S5 30.05R TC 18
MARION PTSUNNY 70 64 83 NE12 30.05F TC 21
MT. VERNON CLOUDY 67 63 87 CALM 30.05F TC 19
CENTRALIA* CLOUDY 66 65 97 CALM 30.04F TC 19
SALEM* DRIZZLE 67 66 97 MISG 30.05F TC 19
METROPOLIS* CLOUDY 74 69 86 N10G21 30.03R TC 23
ILZ067-068-072-073-078-083-087-091-190100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 68 67 96 W10 30.10 TC 20
FLORA* LGT RAIN 66 64 94 S6 30.06F TC 19
FAIRFIELD* CLOUDY 68 63 84 N5 30.06F TC 20
HARRISBURG* CLOUDY 66 65 97 NE8 30.07R TC 19
ROBINSON* LGT RAIN 68 66 94 SW10G16 30.09R TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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