911
ASUS43 KLOT 021701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SAT MAY 02 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.
ILZ001-002-007-009-015-016-024-021800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 54 24 31 NW9 30.12F TC 12
STERLING* MOSUNNY 53 28 38 VRB7G17 30.13F TC 12
SAVANNA* CLOUDY 55 23 28 NW10 30.12F TC 13
ILZ003-004-008-010-011-017-018-021800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 52 27 38 W10G16 30.12F TC 11
FREEPORT* PTSUNNY 54 31 41 NW9G17 30.12F TC 12
DE KALB* PTSUNNY 51 32 49 NW7 30.12F TC 10
ILZ005-006-012>014-019>023-021800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 51 23 33 W10G18 30.10F TC 11
CHICAGO-MIDWAY MOSUNNY 50 23 34 NW3G17 30.11F TC 10
AURORA MOSUNNY 53 30 41 N7 30.11F TC 12
WAUKEGAN PTSUNNY 50 23 34 VRB7 30.09F TC 10
DUPAGE AIRPORT MOSUNNY 51 26 37 VRB6G21 30.10F TC 11
WHEELING PTSUNNY 50 25 37 W7 30.11F TC 10
ROMEOVILLE* MOSUNNY 52 28 40 NW9G18 30.13F TC 11
LANSING* MOSUNNY 51 25 36 N7 30.13S TC 10
NORTHERLY ISL* N/A 48 33 56 E8 N/A TC 9
LMZ740>746-021800-
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 49 1026.9F 1
WAUKEGAN HARBOR 45 49 80/ 10/ 14 1018.9F 1
HARRISON CRIB 44 100/ 9/ 10 N/A
NORTHERLY ISL 47 80/ 8/ 10 N/A
CALUMET HARBOR 46 50/ 9/ 12 1019.8F
BURNS HARBOR 43 10/ 2/ 3 1021.0F
MICHIGAN CITY 45 310/ 4/ 5 1020.3F
ST. JOSEPH BUOY 42 280/ 4/ 6 1021.0F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-021800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 55 35 47 N7 30.13F TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-021800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 53 25 33 N8 30.14S TC 12
DECATUR CLOUDY 53 28 38 VRB6 30.13F TC 12
PEORIA CLOUDY 53 23 31 NW6 30.14S TC 12
LINCOLN* PTSUNNY 54 30 39 N8 30.14F TC 12
SPRINGFIELD MOSUNNY 54 33 45 NE6 30.13F TC 12
TAYLORVILLE MOSUNNY 54 37 54 NE9 30.14S TC 12
ILZ033-039-045-046-055>057-062-063-021800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 53 26 35 NE6 30.13F TC 12
DANVILLE* MOSUNNY 53 26 35 N9G16 30.13F TC 12
MATTOON PTSUNNY 53 33 46 N9 30.12F TC 12
ILZ079-100>102-021800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 55 41 58 N12 30.12F TC 13
BELLEVILLE PTSUNNY 57 43 58 NE7 30.09F TC 14
CAHOKIA* CLOUDY 56 40 55 NE15G26 30.12R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 59 40 49 N17G24 30.07R TC 15
CAIRO* MOSUNNY 66 39 37 NW8 30.06S TC 19
EFFINGHAM* PTSUNNY 54 38 53 E7 30.14S TC 12
MARION PTSUNNY 57 43 58 N9 30.07R TC 14
MT. VERNON LGT RAIN 48 44 86 NE7 30.12S TC 9
CENTRALIA* MOSUNNY 54 44 67 NE6 30.12F TC 12
SALEM* CLOUDY 53 46 76 CALM 30.12F TC 12
ILZ067-068-072-073-078-083-087-091-021800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 52 39 61 CALM 30.12F TC 11
FLORA* PTSUNNY 52 41 66 NE3 30.13S TC 11
FAIRFIELD* LGT RAIN 48 42 79 CALM 30.12F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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