665
ASUS43 KLOT 171301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-171400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 8 0 69 W7 30.19R WCI -3 TC -13
STERLING* CLEAR 6 0 76 W7 30.17R WCI -6 TC -14
SAVANNA* CLEAR 9 1 71 NW7 30.16R WCI -2 TC -13
ILZ003-004-008-010-011-017-018-171400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 7 -1 70 W7 30.14R WCI -5 TC -14
FREEPORT* CLEAR 6 -2 67 W7 30.15R WCI -5 TC -14
ROCHELLE* CLEAR 7 -1 67 W6 30.14R WCI -3 TC -14
PERU* CLEAR 10 3 72 W10 30.17R WCI -3 TC -12
ILZ005-006-012>014-019>023-171400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 14 4 64 NW10 30.10R WCI 1 TC -10
CHICAGO-MIDWAY MOSUNNY 15 5 64 NW15 30.12R WCI 0 TC -9
AURORA CLEAR 10 3 73 NW8 30.12R WCI -2 TC -12
JOLIET* SUNNY 16 7 68 NW7 30.15R WCI 6 TC -9
WAUKEGAN SUNNY 12 2 64 NW7 30.09R WCI 1 TC -11
DUPAGE AIRPORT SUNNY 12 4 70 NW8 30.11R WCI 0 TC -11
WHEELING SUNNY 13 4 67 NW10 30.12R WCI 0 TC -11
MORRIS* SUNNY 12 5 73 NW10 30.14R WCI -1 TC -11
ROMEOVILLE* SUNNY 14 7 73 NW8G16 30.13R WCI 3 TC -10
LANSING* SUNNY 16 3 56 NW12 30.12R WCI 3 TC -9
NORTHERLY ISL* N/A 17 7 64 W16 N/A WCI 2 TC -8
LMZ740>746-171400-
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 16 310/ 19/ 22 N/A
NORTHERLY ISL 16 280/ 10/ 15 N/A
CALUMET HARBOR 15 270/ 6/ 16 1018.7
BURNS HARBOR 19 320/ 11/ 15 1019.0R
MICHIGAN CITY 18 320/ 19/ 21 1019.0R
ILZ025>027-034>036-040-047-049-050-058-095>099-171400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 9 3 77 NW6 30.23R WCI -1 TC -13
GALESBURG* CLEAR 4 4 98 W5 30.21R WCI -5 TC -15
MACOMB* CLEAR 7 2 80 W9 30.24R WCI -6 TC -14
JACKSONVILLE* CLEAR 11 4 72 NW8 30.23R WCI -1 TC -12
PITTSFIELD* CLEAR 12 3 67 NW8 30.25R WCI 1 TC -11
ILZ028>032-037-038-041>044-048-051>054-059>061-171400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 12 6 77 NW14 30.16R WCI -3 TC -11
DECATUR CLOUDY 14 7 73 W13 30.19R WCI 0 TC -10
PEORIA CLEAR 9 2 73 NW9 30.20R WCI -4 TC -13
LACON* CLEAR 10 1 66 NW8 30.18R WCI -2 TC -12
LINCOLN* CLEAR 14 3 62 NW7 30.21R WCI 4 TC -10
SPRINGFIELD CLEAR 12 4 70 W9 30.22R WCI 0 TC -11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 14 9 80 W16 30.16R WCI -2 TC -10
DANVILLE* CLOUDY 16 11 79 W13 30.16R WCI 3 TC -9
RANTOUL* MOSUNNY 14 9 78 NW15 30.16R WCI -1 TC -10
MATTOON CLOUDY 14 8 77 W15 30.17R WCI -1 TC -10
PARIS* FLURRIES 16 9 74 W14G21 30.17R WCI 1 TC -9
ILZ079-100>102-171400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 16 3 57 NW9 30.24R WCI 4 TC -9
BELLEVILLE CLEAR 22 10 59 NW10 30.24R WCI 11 TC -5
CAHOKIA* CLEAR 18 6 59 N8 30.25R WCI 8 TC -8
SPARTA* CLEAR 19 8 61 NW7 30.25R WCI 10 TC -7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 21 9 59 NW8 30.24R WCI 11 TC -6
CAIRO* SUNNY 24 11 57 NW12 30.28R WCI 13 TC -4
EFFINGHAM* SUNNY 15 7 71 W12 30.23R WCI 2 TC -9
MARION MOSUNNY 19 9 63 NW10 30.24R WCI 8 TC -7
MT. VERNON N/A 18 7 62 VRB5 30.24R WCI 11 TC -8
CENTRALIA* SUNNY 18 5 57 NW12 30.23R WCI 5 TC -8
SALEM* SUNNY 17 5 57 NW10 30.22R WCI 5 TC -8
ILZ067-068-072-073-078-083-087-091-171400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 17 6 62 NW13 30.21R WCI 4 TC -8
FLORA* SUNNY 16 5 62 NW15 30.23R WCI 1 TC -9
FAIRFIELD* SUNNY 18 4 53 NW8G18 30.23R WCI 7 TC -8
HARRISBURG* SUNNY 22 8 55 NW7 30.24R WCI 13 TC -6
ROBINSON* PTSUNNY 16 7 67 NW13 30.20R WCI 2 TC -9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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