850
ASUS43 KLOT 271910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT WED MAY 27 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.
ILZ001-002-007-009-015-016-024-272000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 88 51 28 NE8 29.99F HX 85 TC 31
STERLING* SUNNY 90 51 26 NE8 29.99F HX 87 TC 32
SAVANNA* SUNNY 89 51 27 NW8 30.00F HX 86 TC 32
ILZ003-004-008-010-011-017-018-272000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 86 53 32 VRB6 30.01F HX 84 TC 30
FREEPORT* SUNNY 87 56 34 N6 30.02F HX 85 TC 31
ROCHELLE* SUNNY 87 45 23 CALM 30.00S HX 84 TC 31
DE KALB* SUNNY 86 54 32 N9 30.01F HX 84 TC 30
PERU* SUNNY 90 48 24 S6 29.99F HX 86 TC 32
ILZ005-006-012>014-019>023-272000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 80 56 43 NE10 30.00F HX 80 TC 27
CHICAGO-MIDWAY MOSUNNY 80 53 39 NE9 30.00F HX 80 TC 27
AURORA SUNNY 89 52 28 CALM 29.99F HX 86 TC 32
JOLIET* SUNNY 86 55 34 NE3 29.99F HX 85 TC 30
WAUKEGAN SUNNY 73 57 57 NE7 30.03S TC 23
DUPAGE AIRPORT MOSUNNY 84 61 45 NE12 30.00S HX 84 TC 29
KANKAKEE* SUNNY 85 50 28 E7 29.99F HX 83 TC 30
WHEELING MOSUNNY 78 59 51 VRB5 30.03S TC 26
MORRIS* SUNNY 88 48 25 E8 29.97F HX 85 TC 31
ROMEOVILLE* SUNNY 86 54 32 E3 29.99F HX 84 TC 30
LANSING* SUNNY 77 56 48 NE12 30.01F TC 25
NORTHERLY ISL* N/A 66 49 54 MISG N/A TC 19
LMZ740>746-272000-
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 55 1015.9 1/ 3
WAUKEGAN HARBOR 58 58 340/ 10/ 14 1017.0 1/ 3
WILMETTE BUOY 58 30/ 6/ 10 1018.8R 1/ 3
CHICAGO BUOY 60 62 350/ 8/ 12 1015.5 1/ 3
HARRISON CRIB 59 350/ 9/ 10 N/A
NORTHERLY ISL 63 40/ 8/ 15 N/A
CALUMET HARBOR 64 340/ 9/ 13 1016.8
BURNS HARBOR 63 30/ 2/ 4 1016.9F
MICHIGAN CITY 67 10/ 3/ 4 1015.0F
ST. JOSEPH BUOY 65 CALM / 4 1016.9F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-272000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 84 56 38 NE9 30.00F HX 83 TC 29
GALESBURG* SUNNY 86 45 23 S3 30.02F HX 83 TC 30
MACOMB* MOSUNNY 87 53 30 NE6 30.03S HX 85 TC 31
JACKSONVILLE* SUNNY 83 56 38 NW6 29.99F HX 82 TC 29
PITTSFIELD* SUNNY 84 59 41 N7 30.02S HX 84 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-272000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC N/A 89 47 23 MISG 29.99 HX 85 TC 31
BLOOMINGTON SUNNY 87 50 27 NE16 29.99F HX 84 TC 31
DECATUR PTSUNNY 79 66 64 N6 29.99F HX 81 TC 26
PEORIA SUNNY 85 53 33 NE5 29.99F HX 83 TC 29
LINCOLN* SUNNY 86 55 33 N5 29.98F HX 85 TC 30
SPRINGFIELD SUNNY 84 51 31 N6 29.99F HX 82 TC 29
TAYLORVILLE PTSUNNY 81 66 61 N8 29.99F HX 83 TC 27
ILZ033-039-045-046-055>057-062-063-272000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 80 67 64 NE7 29.98F HX 82 TC 27
DANVILLE* MOSUNNY 78 68 71 E3 30.00F HX 80 TC 26
RANTOUL* MOSUNNY 83 63 50 CALM 29.98F HX 84 TC 28
MATTOON MOSUNNY 79 69 71 N13 29.97F HX 81 TC 26
PARIS* CLOUDY 76 70 82 NE8 29.98F TC 24
ILZ079-100>102-272000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 64 51 N7 29.99F HX 86 TC 29
BELLEVILLE PTSUNNY 81 68 65 NE8 29.96F HX 84 TC 27
CAHOKIA* CLOUDY 81 66 60 S6 29.98S HX 83 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-272000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 83 67 58 CALM 29.97F HX 85 TC 28
CAIRO* MOSUNNY 84 70 61 CALM 29.99F HX 88 TC 29
EFFINGHAM* PTSUNNY 77 71 81 N5 29.99F TC 25
MARION PTSUNNY 82 70 65 W10 29.98F HX 86 TC 28
MT. VERNON N/A 79 68 69 VRB3 29.99S HX 81 TC 26
CENTRALIA* MOSUNNY 81 68 65 CALM 29.99S HX 83 TC 27
SALEM* PTSUNNY 80 69 70 MISG 29.98F HX 83 TC 27
METROPOLIS* MOSUNNY 85 68 58 CALM 29.99F HX 88 TC 29
ILZ067-068-072-073-078-083-087-091-272000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 78 70 76 VRB7 29.95F HX 80 TC 26
FLORA* PTSUNNY 77 68 73 NW5 29.98S TC 25
FAIRFIELD* PTSUNNY 78 68 72 N5 29.98S TC 25
HARRISBURG* PTSUNNY 81 69 67 W7 29.98F HX 84 TC 27
ROBINSON* CLOUDY 73 72 94 N5 29.95F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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