233
ASUS43 KLOT 172101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-172200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 20 3 48 SW10 30.16F WCI 9 TC -7
STERLING* PTSUNNY 20 6 55 SW9 30.18F WCI 9 TC -7
SAVANNA* PTSUNNY 21 0 40 S8 30.16F WCI 11 TC -6
ILZ003-004-008-010-011-017-018-172200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 19 1 45 SW7 30.17F WCI 10 TC -7
FREEPORT* PTSUNNY 20 2 46 SW12 30.16F WCI 8 TC -7
ROCHELLE* PTSUNNY 20 3 47 SW9 30.17F WCI 9 TC -7
DE KALB* PTSUNNY 20 6 55 W8 30.16F WCI 10 TC -7
PERU* PTSUNNY 23 8 53 S10 30.19F WCI 12 TC -5
ILZ005-006-012>014-019>023-172200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 22 0 38 SW9 30.16F WCI 12 TC -6
CHICAGO-MIDWAY PTSUNNY 23 1 38 W7 30.18F WCI 15 TC -5
AURORA PTSUNNY 22 7 52 W10 30.17F WCI 11 TC -6
JOLIET* PTSUNNY 25 8 48 W9 30.20F WCI 15 TC -4
WAUKEGAN PTSUNNY 21 3 45 W12G18 30.14F WCI 9 TC -6
DUPAGE AIRPORT PTSUNNY 21 5 50 SW8 30.16F WCI 11 TC -6
WHEELING PTSUNNY 22 1 40 W8 30.18F WCI 12 TC -6
MORRIS* PTSUNNY 23 8 52 W8 30.19F WCI 14 TC -5
ROMEOVILLE* MOSUNNY 21 5 49 SW12G18 30.20F WCI 9 TC -6
LANSING* MOSUNNY 24 5 43 W7 30.19F WCI 16 TC -4
NORTHERLY ISL* N/A 24 0 35 SW6 N/A WCI 17 TC -4
LMZ740>746-172200-
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 23 290/ 11/ 12 N/A
NORTHERLY ISL 25 270/ 7/ 13 N/A
CALUMET HARBOR 270/ 5/ 9 1021.5
BURNS HARBOR 23 320/ 3/ 5 1022.7F
MICHIGAN CITY 23 280/ 6/ 8 1023.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-172200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 26 9 48 S6G20 30.18F WCI 19 TC -3
GALESBURG* CLOUDY 22 14 71 SW10 30.20S WCI 11 TC -6
MACOMB* PTSUNNY 24 11 57 S8 30.21F WCI 15 TC -5
JACKSONVILLE* PTSUNNY 28 10 48 S9 30.20F WCI 19 TC -2
PITTSFIELD* PTSUNNY 30 12 48 SW10 30.20F WCI 21 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-172200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 24 8 50 NE10 30.21F WCI 13 TC -5
BLOOMINGTON PTSUNNY 25 11 55 SW9 30.21F WCI 15 TC -4
DECATUR PTSUNNY 26 11 52 SW10G17 30.24F WCI 16 TC -3
PEORIA PTSUNNY 23 10 57 S8 30.19F WCI 14 TC -5
LACON* PTSUNNY 22 4 45 S3 30.19F TC -5
LINCOLN* PTSUNNY 27 8 43 SW6 30.22F WCI 21 TC -3
SPRINGFIELD PTSUNNY 25 11 55 S5 30.22F WCI 19 TC -4
TAYLORVILLE PTSUNNY 27 12 54 SW5 30.25F WCI 21 TC -3
ILZ033-039-045-046-055>057-062-063-172200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 25 11 55 MISG 30.23S TC -4
DANVILLE* CLOUDY 26 10 52 SW9 30.24F WCI 16 TC -4
RANTOUL* PTSUNNY 24 10 56 W6 30.22F WCI 17 TC -4
MATTOON PTSUNNY 24 11 57 W6 30.24F WCI 17 TC -4
PARIS* CLOUDY 24 11 57 CALM 30.26S TC -4
ILZ079-100>102-172200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 32 5 32 VRB5 30.25F WCI 27 TC 0
CAHOKIA* MOSUNNY 33 5 30 VRB5 30.23F WCI 29 TC 1
SPARTA* MOSUNNY 32 7 34 S3 30.26F TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 34 6 31 VRB7 30.28S WCI 28 TC 1
CAIRO* MOSUNNY 37 12 36 W8 30.29F WCI 30 TC 3
EFFINGHAM* PTSUNNY 29 11 48 SW7 30.29S WCI 22 TC -2
MARION MOSUNNY 36 7 30 SW6 30.28R WCI 31 TC 2
MT. VERNON N/A 30 10 43 W5 30.29S WCI 25 TC -1
CENTRALIA* PTSUNNY 29 10 43 SW3 30.28F TC -1
SALEM* PTSUNNY 29 12 49 W3 30.28S TC -2
ILZ067-068-072-073-078-083-087-091-172200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 28 10 46 NW8 30.30R WCI 20 TC -2
FLORA* PTSUNNY 30 12 47 SW6 30.29S WCI 24 TC -1
FAIRFIELD* PTSUNNY 31 14 48 W7 30.30S WCI 24 TC 0
HARRISBURG* MOSUNNY 36 5 27 NW12 30.29S WCI 28 TC 2
ROBINSON* PTSUNNY 25 10 54 W6 30.29R WCI 18 TC -4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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