162
ASUS43 KLOT 172201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-172300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 21 5 50 SW12 30.15F WCI 9 TC -6
STERLING* PTSUNNY 21 7 54 SW6 30.18S WCI 13 TC -6
SAVANNA* PTSUNNY 21 2 43 SW10 30.16S WCI 10 TC -6
ILZ003-004-008-010-011-017-018-172300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 19 6 57 S12 30.16F WCI 7 TC -7
FREEPORT* PTSUNNY 20 1 44 SW10 30.16S WCI 9 TC -7
ROCHELLE* PTSUNNY 20 4 51 SW6 30.17S WCI 12 TC -7
DE KALB* PTSUNNY 19 7 60 SW9 30.16S WCI 8 TC -7
PERU* CLOUDY 22 6 50 SW7 30.19S WCI 14 TC -5
ILZ005-006-012>014-019>023-172300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 22 3 44 SW6G17 30.15F WCI 14 TC -6
CHICAGO-MIDWAY CLOUDY 24 3 40 SW10 30.17F WCI 14 TC -4
AURORA PTSUNNY 21 6 52 SW12 30.17S WCI 9 TC -6
JOLIET* PTSUNNY 25 8 48 W6 30.19F WCI 18 TC -4
WAUKEGAN PTSUNNY 21 2 43 SW7 30.13F WCI 12 TC -6
DUPAGE AIRPORT PTSUNNY 21 7 54 SW13 30.16S WCI 9 TC -6
WHEELING PTSUNNY 22 2 42 SW9 30.16F WCI 12 TC -6
MORRIS* PTSUNNY 24 10 56 SW9 30.18F WCI 14 TC -4
ROMEOVILLE* MOSUNNY 21 3 45 SW10 30.18F WCI 10 TC -6
LANSING* PTSUNNY 24 7 48 W8 30.19S WCI 15 TC -5
NORTHERLY ISL* N/A 24 1 37 W9 N/A WCI 15 TC -4
LMZ740>746-172300-
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 24 250/ 8/ 10 N/A
NORTHERLY ISL 24 160/ 2/ 11 N/A
CALUMET HARBOR 24 220/ 6/ 13 1021.3S
BURNS HARBOR 25 280/ 5/ 8 1022.4F
MICHIGAN CITY 23 220/ 4/ 6 1022.9F
ILZ025>027-034>036-040-047-049-050-058-095>099-172300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 27 11 51 S9 30.16F WCI 18 TC -3
MACOMB* PTSUNNY 25 12 57 S9 30.20F WCI 15 TC -4
JACKSONVILLE* PTSUNNY 28 11 47 S9 30.19F WCI 20 TC -2
PITTSFIELD* CLOUDY 30 11 46 S10 30.18F WCI 21 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-172300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 24 8 49 W9 30.20S WCI 15 TC -4
BLOOMINGTON PTSUNNY 24 13 62 SW12 30.19F WCI 13 TC -4
DECATUR PTSUNNY 26 11 52 SW12 30.21F WCI 16 TC -3
PEORIA PTSUNNY 24 9 52 S12 30.19S WCI 13 TC -4
LACON* PTSUNNY 23 6 48 SW6 30.18F WCI 16 TC -5
LINCOLN* PTSUNNY 28 8 43 S7 30.21S WCI 21 TC -2
SPRINGFIELD PTSUNNY 26 11 52 SW10 30.21F WCI 16 TC -3
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-172300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 25 12 58 S10 30.20F WCI 15 TC -4
DANVILLE* CLOUDY 25 10 53 S7 30.23F WCI 17 TC -4
RANTOUL* PTSUNNY 25 12 58 SW9 30.20F WCI 16 TC -4
MATTOON PTSUNNY 25 12 58 VRB7 30.22F WCI 17 TC -4
PARIS* CLOUDY 25 13 60 CALM 30.25F TC -4
ILZ079-100>102-172300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 32 0 25 VRB5 30.21F WCI 27 TC 0
BELLEVILLE PTSUNNY 34 6 30 SW8 30.20 WCI 27 TC 1
CAHOKIA* PTSUNNY 34 5 29 S6 30.20F WCI 29 TC 1
SPARTA* PTSUNNY 34 9 36 S7 30.23F WCI 27 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 34 7 32 VRB3 30.24F TC 1
CAIRO* PTSUNNY 37 10 34 N3 30.26F TC 3
EFFINGHAM* PTSUNNY 28 12 51 S7 30.26F WCI 21 TC -2
MARION MOSUNNY 37 5 25 CALM 30.25F TC 3
MT. VERNON N/A 30 10 43 CALM 30.25F TC -1
CENTRALIA* PTSUNNY 30 8 39 CALM 30.24F TC -1
SALEM* PTSUNNY 30 11 44 W3 30.24F TC -1
ILZ067-068-072-073-078-083-087-091-172300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 27 10 49 SW3 30.29F TC -3
FLORA* PTSUNNY 28 12 50 SW3 30.26F TC -2
FAIRFIELD* PTSUNNY 31 11 43 SW6 30.27F WCI 25 TC -1
HARRISBURG* PTSUNNY 34 5 30 NW5 30.27F WCI 30 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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