601
ASUS43 KLOT 170001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-170100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 79 67 66 S7 29.80S HX 81 TC 26
6HR MIN TEMP: 79; 6HR MAX TEMP: 83;
STERLING* SUNNY 82 66 58 CALM 29.81F HX 84 TC 28
SAVANNA* MOSUNNY 83 60 46 NE8 29.78F HX 83 TC 28
ILZ003-004-008-010-011-017-018-170100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 80 61 52 N8 29.82F HX 81 TC 27
6HR MIN TEMP: 78; 6HR MAX TEMP: 84;
FREEPORT* MOSUNNY 80 64 59 NW3 29.83F HX 81 TC 26
DE KALB* MOSUNNY 78 66 65 SW7 29.84F HX 80 TC 26
PERU* MOSUNNY 81 64 57 SW6 29.83F HX 82 TC 27
ILZ005-006-012>014-019>023-170100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 80 62 54 S7 29.82S HX 81 TC 27
6HR MIN TEMP: 78; 6HR MAX TEMP: 84;
CHICAGO-MIDWAY PTSUNNY 80 62 54 SW8 29.83S HX 81 TC 27
6HR MIN TEMP: 79; 6HR MAX TEMP: 83;
AURORA MOSUNNY 81 65 58 SW7 29.82F HX 83 TC 27
6HR MIN TEMP: 81; 6HR MAX TEMP: 84;
JOLIET* PTSUNNY 78 66 67 S6 29.84F HX 80 TC 25
WAUKEGAN MOSUNNY 75 59 57 E5 29.82S TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 83;
DUPAGE AIRPORT MOSUNNY 78 64 61 S8 29.82F HX 80 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 83;
KANKAKEE* CLOUDY 77 56 47 SW9 29.89R TC 25
WHEELING MOSUNNY 81 61 50 SW7 29.83S HX 82 TC 27
6HR MIN TEMP: 78; 6HR MAX TEMP: 83;
MORRIS* PTSUNNY 77 66 69 SW5 29.83S TC 25
ROMEOVILLE* SUNNY 79 66 65 SW9 29.85S HX 81 TC 26
LANSING* PTSUNNY 76 59 55 SW7 29.86S TC 25
NORTHERLY ISL* N/A 79 58 48 SW6 N/A HX 80 TC 26
LMZ740>746-170100-
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 1017.0F 1
WAUKEGAN HARBOR 60 54 170/ 4/ 6 1011.0F 0
HARRISON CRIB 78 200/ 11/ 11 N/A
NORTHERLY ISL 80 190/ 7/ 13 N/A
CALUMET HARBOR 79 220/ 7/ 11 1010.5
BURNS HARBOR 70 250/ 6/ 8 1011.5S
MICHIGAN CITY 75 210/ 8/ 9 1009.2S
ST. JOSEPH BUOY 67 130/ 4/ 4 1011.6F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-170100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 73 66 78 N6 29.82S TC 23
GALESBURG* MOSUNNY 76 60 57 S5 29.84S TC 24
MACOMB* PTSUNNY 75 63 65 CALM 29.85S TC 24
JACKSONVILLE* SUNNY 74 65 71 S6 29.85R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-170100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 74 60 61 S13 29.88S TC 23
DECATUR N/A N/A N/A N/A MISG 29.90R
PEORIA SUNNY 75 58 55 S9 29.85S TC 24
6HR MIN TEMP: 71; 6HR MAX TEMP: 78;
SPRINGFIELD MOSUNNY 72 63 73 SE12 29.86F TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 78; 6HR PCP: TRACE;
TAYLORVILLE CLOUDY 73 64 73 SE12 29.90R TC 23
ILZ033-039-045-046-055>057-062-063-170100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 72 65 78 E7 29.92R TC 22
DANVILLE* CLOUDY 73 65 75 CALM 29.93S TC 23
MATTOON LGT RAIN 69 66 90 S7 29.92R TC 21
PARIS* DRIZZLE 71 64 78 SE9 29.93R TC 22
ILZ079-100>102-170100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 66 83 E10 29.84F TC 22
CAHOKIA* PTSUNNY 76 67 73 S9G18 29.85S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 80 66 62 S8 29.89F HX 82 TC 27
6HR MIN TEMP: 79; 6HR MAX TEMP: 83;
CAIRO* SUNNY 82 66 59 S12 29.93S HX 84 TC 28
EFFINGHAM* PTSUNNY 66 65 97 E6 29.93R TC 19
MARION MOSUNNY 79 64 61 S12 29.91F HX 81 TC 26
MT. VERNON CLOUDY 67 65 93 CALM 29.91F TC 19
CENTRALIA* CLOUDY 67 65 94 CALM 29.87F TC 20
SALEM* CLOUDY 67 66 96 E3 29.89F TC 20
ILZ067-068-072-073-078-083-087-091-170100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE TSTM 65 62 90 S12 29.94 FOG TC 18
FLORA* PTSUNNY 66 N/A N/A SE7 29.91F TC 19
FAIRFIELD* LGT RAIN 68 67 96 E6 29.91F TC 20
HARRISBURG* CLOUDY 76 67 72 S3 29.94S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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