548
ASUS43 KLOT 171658
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT TUE MAR 17 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.
ILZ001-002-007-009-015-016-024-171800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 18 2 49 CALM 30.22S TC -8
ILZ003-004-008-010-011-017-018-171800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 16 1 51 SW3 30.20S TC -9
PERU* SUNNY 17 5 59 NW3 30.22S TC -8
ILZ005-006-012>014-019>023-171800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 20 2 45 W10 30.17R WCI 9 TC -7
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 17 5 59 NW6 30.19R WCI 9 TC -8
WAUKEGAN MOSUNNY 18 0 45 NW10G20 30.16R WCI 6 TC -8
DUPAGE AIRPORT SUNNY 18 4 54 MISG 30.18R TC -8
WHEELING MOSUNNY 20 1 43 NW8 30.19R WCI 10 TC -7
ROMEOVILLE* SUNNY 19 5 53 W6G12 30.21R WCI 11 TC -7
NORTHERLY ISL* N/A 22 2 42 SW9 N/A WCI 12 TC -5
LMZ740>746-171800-
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)
HARRISON CRIB 19 300/ 12/ 18 N/A
NORTHERLY ISL 21 310/ 10/ 13 N/A
CALUMET HARBOR 260/ 8/ 15 1021.5
BURNS HARBOR 20 290/ 5/ 8 1022.4R
MICHIGAN CITY 19 290/ 17/ 20 1022.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-171800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-171800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR CLOUDY 21 10 62 W9 30.26R WCI 11 TC -6
PEORIA NOT AVBL
SPRINGFIELD SUNNY 20 9 62 SW8 30.26F WCI 10 TC -7
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON PTSUNNY 21 10 62 W9 30.25R WCI 11 TC -6
ILZ079-100>102-171800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 23 5 46 W5 30.29S WCI 17 TC -5
CAHOKIA* SUNNY 25 5 42 VRB7 30.29F WCI 17 TC -4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 28 9 44 NW9 30.31F WCI 19 TC -2
MARION SUNNY 28 10 47 W7 30.31S WCI 21 TC -2
ILZ067-068-072-073-078-083-087-091-171800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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