487
ASUS43 KLOT 171710
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
STERLING* SUNNY 17 6 62 SW6 30.23R WCI 9 TC -8
SAVANNA* SUNNY 18 5 56 S5 30.21S WCI 11 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
FREEPORT* SUNNY 16 1 50 S3 30.20R TC -9
ROCHELLE* SUNNY 17 1 48 SW5 30.20S WCI 10 TC -8
PERU* SUNNY 18 5 57 CALM 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 MOSUNNY 20 0 41 NW9G20 30.19R WCI 9 TC -7
AURORA SUNNY 17 5 59 NW6 30.19R WCI 9 TC -8
JOLIET* SUNNY 22 7 52 W7 30.22S WCI 13 TC -6
WAUKEGAN MOSUNNY 18 0 45 NW10G20 30.16R WCI 6 TC -8
DUPAGE AIRPORT SUNNY 18 4 54 W8 30.18R WCI 8 TC -8
KANKAKEE* MOSUNNY 21 9 60 W7 30.23R WCI 12 TC -6
WHEELING MOSUNNY 20 1 43 NW8 30.19R WCI 10 TC -7
MORRIS* SUNNY 19 6 58 W6 30.21S WCI 11 TC -7
ROMEOVILLE* SUNNY 19 5 53 W6G12 30.21R WCI 11 TC -7
LANSING* PTSUNNY 22 5 47 W12 30.20R WCI 10 TC -6
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/ 14/ 19 N/A
NORTHERLY ISL 21 310/ 10/ 13 N/A
CALUMET HARBOR 20 260/ 8/ 13 1021.8
BURNS HARBOR 20 290/ 8/ 9 1022.7R
MICHIGAN CITY 19 300/ 17/ 21 1022.7R
ILZ025>027-034>036-040-047-049-050-058-095>099-171800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 18 4 54 CALM 30.25F TC -8
GALESBURG* SUNNY 18 13 79 W3 30.25S TC -8
MACOMB* SUNNY 19 7 60 W6 30.28R WCI 11 TC -7
JACKSONVILLE* SUNNY 22 7 53 W3 30.26S TC -6
PITTSFIELD* SUNNY 21 8 57 SW3 30.28S TC -6
ILZ028>032-037-038-041>044-048-051>054-059>061-171800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 20 8 59 NE5 30.23R WCI 13 TC -7
BLOOMINGTON PTSUNNY 29 11 47 CALM 30.22F TC -2
DECATUR CLOUDY 21 9 59 VRB5 30.26R WCI 15 TC -6
PEORIA SUNNY 18 7 62 W7 30.25S WCI 9 TC -8
LACON* SUNNY 19 6 57 SW7 30.24R WCI 10 TC -7
LINCOLN* MOSUNNY 23 7 50 SW5 30.26S WCI 17 TC -5
SPRINGFIELD SUNNY 20 9 62 SW8 30.26F WCI 10 TC -7
TAYLORVILLE MOSUNNY 21 9 58 CALM 30.27S TC -6
ILZ033-039-045-046-055>057-062-063-171800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FLURRIES 20 11 68 W7 30.23R WCI 11 TC -7
DANVILLE* PTSUNNY 23 10 56 W7 30.24S WCI 15 TC -5
RANTOUL* PTSUNNY 21 11 65 W6 30.23S WCI 13 TC -6
MATTOON PTSUNNY 22 10 60 W8 30.25R WCI 12 TC -6
PARIS* FLURRIES 21 11 66 CALM 30.25F 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
BELLEVILLE SUNNY 26 5 41 W3 30.29F TC -4
CAHOKIA* SUNNY 25 5 42 VRB7 30.29F WCI 17 TC -4
SPARTA* SUNNY 25 8 49 SW3 30.31S 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
CAIRO* SUNNY 30 12 47 W12 30.35S WCI 20 TC -1
EFFINGHAM* CLOUDY 23 10 57 CALM 30.30S TC -5
MARION SUNNY 28 10 47 W7 30.31S WCI 21 TC -2
MT. VERNON N/A 24 10 55 VRB6 30.31R WCI 17 TC -4
CENTRALIA* MOSUNNY 23 8 52 SW5 30.31R WCI 17 TC -5
SALEM* MOSUNNY 24 8 50 CALM 30.29R TC -4
ILZ067-068-072-073-078-083-087-091-171800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 22 9 57 NW7 30.29S WCI 13 TC -6
FLORA* SUNNY 23 9 54 N5 30.30S WCI 17 TC -5
FAIRFIELD* MOSUNNY 23 7 51 CALM 30.31S TC -5
HARRISBURG* SUNNY 29 3 33 W6 30.32S WCI 22 TC -2
ROBINSON* CLOUDY 21 10 63 VRB6 30.29R WCI 14 TC -6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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