251
ASUS43 KLOT 171601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-171700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 15 1 53 SW3 30.22R TC -9
STERLING* SUNNY 16 5 62 W3 30.22R TC -9
SAVANNA* SUNNY 15 3 59 SE5 30.21R WCI 8 TC -9
ILZ003-004-008-010-011-017-018-171700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 15 0 51 VRB6 30.20R WCI 6 TC -9
FREEPORT* SUNNY 15 0 51 W3 30.20R TC -9
ROCHELLE* SUNNY 16 0 48 SW3 30.20S TC -9
PERU* SUNNY 16 5 62 W5 30.22R WCI 9 TC -9
ILZ005-006-012>014-019>023-171700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 18 2 49 VRB5 30.16R WCI 11 TC -8
CHICAGO-MIDWAY MOSUNNY 19 1 45 NW12 30.17R WCI 7 TC -7
AURORA SUNNY 15 5 64 NW8 30.18R WCI 4 TC -9
JOLIET* SUNNY 21 7 55 W6 30.21R WCI 13 TC -6
WAUKEGAN SUNNY 17 2 51 NW7 30.15R WCI 8 TC -8
DUPAGE AIRPORT SUNNY 17 4 56 NW8 30.17R WCI 7 TC -8
WHEELING MOSUNNY 18 3 52 N10 30.18R WCI 6 TC -8
MORRIS* SUNNY 17 6 61 W7 30.21R WCI 8 TC -8
ROMEOVILLE* SUNNY 18 5 57 W8 30.20R WCI 7 TC -8
LANSING* MOSUNNY 21 1 42 NW8 30.18R WCI 11 TC -6
NORTHERLY ISL* N/A 21 2 43 W9 N/A WCI 11 TC -6
LMZ740>746-171700-
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 18 310/ 13/ 15 N/A
NORTHERLY ISL 19 300/ 9/ 14 N/A
CALUMET HARBOR 20 1021.0
BURNS HARBOR 19 320/ 7/ 9 1021.7R
MICHIGAN CITY 19 300/ 17/ 19 1021.7R
ILZ025>027-034>036-040-047-049-050-058-095>099-171700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 16 5 62 NW5 30.26S WCI 9 TC -9
MACOMB* SUNNY 15 4 62 W3 30.28S TC -9
JACKSONVILLE* SUNNY 19 6 59 NW6 30.27S WCI 10 TC -7
PITTSFIELD* SUNNY 18 5 56 CALM 30.28S TC -8
ILZ028>032-037-038-041>044-048-051>054-059>061-171700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 18 8 62 NE7 30.23R WCI 9 TC -8
BLOOMINGTON SUNNY 25 11 55 NW6 30.23R WCI 18 TC -4
DECATUR MOSUNNY 19 9 65 VRB7 30.25S WCI 10 TC -7
PEORIA SUNNY 15 4 61 S3 30.25R TC -9
LACON* SUNNY 16 4 59 NW3 30.24R TC -9
LINCOLN* SUNNY 20 6 52 W3 30.26S TC -6
SPRINGFIELD SUNNY 18 7 62 W7 30.27S WCI 9 TC -8
TAYLORVILLE SUNNY 19 9 63 W6 30.27S WCI 11 TC -7
ILZ033-039-045-046-055>057-062-063-171700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 20 11 68 NW7 30.22S WCI 11 TC -7
DANVILLE* MOSUNNY 22 11 63 W6 30.23R WCI 14 TC -6
RANTOUL* MOSUNNY 20 11 69 NW10 30.23R WCI 8 TC -7
MATTOON CLOUDY 20 10 65 NW8 30.24R WCI 10 TC -7
PARIS* FLURRIES 20 11 67 CALM 30.24S TC -7
ILZ079-100>102-171700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 21 5 49 N7 30.29S WCI 13 TC -6
BELLEVILLE SUNNY 25 6 44 W6 30.30S WCI 18 TC -4
CAHOKIA* SUNNY 22 5 48 N5 30.31S WCI 16 TC -6
SPARTA* SUNNY 23 6 47 W7 30.32S WCI 15 TC -5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 25 10 53 NW7 30.32R WCI 17 TC -4
CAIRO* SUNNY 28 12 51 W9 30.35R WCI 20 TC -2
EFFINGHAM* PTSUNNY 21 10 61 W6 30.29S WCI 14 TC -6
MARION MOSUNNY 28 10 47 NW12G17 30.31R WCI 18 TC -2
MT. VERNON N/A 21 8 57 CALM 30.30R TC -6
CENTRALIA* MOSUNNY 22 8 55 N5 30.30S WCI 15 TC -6
SALEM* MOSUNNY 22 8 54 CALM 30.29S TC -6
ILZ067-068-072-073-078-083-087-091-171700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 21 8 57 NW7 30.29R WCI 12 TC -6
FLORA* SUNNY 21 9 58 NW10 30.30R WCI 10 TC -6
FAIRFIELD* MOSUNNY 22 7 53 N6 30.31R WCI 14 TC -6
HARRISBURG* SUNNY 27 6 41 W12 30.32R WCI 16 TC -3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page