971
ASUS43 KLOT 121606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT THU MAR 12 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.
ILZ001-002-007-009-015-016-024-121700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 40 29 64 W7 30.25S TC 4
STERLING* SUNNY 39 27 62 W12 30.25R WCI 32 TC 4
SAVANNA* SUNNY 36 26 66 W7 30.24S WCI 31 TC 2
ILZ003-004-008-010-011-017-018-121700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 37 26 64 W7 30.22S WCI 32 TC 3
FREEPORT* SUNNY 37 27 66 W9 30.23R WCI 31 TC 3
ROCHELLE* SUNNY 36 26 68 W7 30.22S WCI 30 TC 2
PERU* SUNNY 37 29 71 W9 30.25R WCI 31 TC 3
ILZ005-006-012>014-019>023-121700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 38 24 57 NW8 30.19R WCI 32 TC 3
CHICAGO-MIDWAY MOSUNNY 37 25 61 NW10 30.20R WCI 30 TC 3
AURORA SUNNY 37 30 75 NW9 30.21R WCI 30 TC 3
JOLIET* SUNNY 40 29 64 NW6 30.22F TC 4
WAUKEGAN MOSUNNY 38 25 59 NW10 30.17S WCI 31 TC 3
DUPAGE AIRPORT SUNNY 37 26 64 NW10 30.19S WCI 30 TC 3
KANKAKEE* SUNNY 39 26 60 NW15 30.23S WCI 30 TC 4
WHEELING MOSUNNY 38 25 59 NW9 30.20R WCI 31 TC 3
MORRIS* SUNNY 38 30 72 NW10 30.22S WCI 31 TC 3
ROMEOVILLE* SUNNY 37 30 75 W10G17 30.22 WCI 30 TC 3
LANSING* SUNNY 38 27 65 W7 30.21S WCI 33 TC 3
NORTHERLY ISL* N/A 38 25 60 W12 N/A WCI 30 TC 3
LMZ740>746-121700-
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 36 310/ 9/ 11 N/A
NORTHERLY ISL 36 260/ 9/ 13 N/A
CALUMET HARBOR 37 240/ 6/ 9 1022.1R
BURNS HARBOR 36 280/ 7/ 8 1023.0R
MICHIGAN CITY 34 260/ 12/ 14 1022.8R
ILZ025>027-034>036-040-047-049-050-058-095>099-121700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 41 29 62 W5 30.30F TC 5
GALESBURG* SUNNY 39 33 80 W7 30.28S WCI 34 TC 4
MACOMB* SUNNY 39 33 78 W8 30.31S WCI 34 TC 4
JACKSONVILLE* SUNNY 41 31 67 W7 30.31S TC 5
PITTSFIELD* SUNNY 42 31 65 W8 30.33S TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-121700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 39 27 61 W16 30.24S WCI 30 TC 4
BLOOMINGTON SUNNY 40 27 59 NW13 30.26R TC 4
DECATUR SUNNY 41 28 60 W9 30.28R TC 5
PEORIA SUNNY 40 25 55 W10 30.27S TC 4
LACON* SUNNY 39 27 62 W12G18 30.26S WCI 32 TC 4
LINCOLN* SUNNY 41 27 57 NW6 30.29R TC 5
SPRINGFIELD SUNNY 40 32 73 SW7 30.30R TC 4
TAYLORVILLE SUNNY 39 32 75 W6 30.31R WCI 35 TC 4
ILZ033-039-045-046-055>057-062-063-121700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 40 29 64 NW9 30.25S TC 4
DANVILLE* SUNNY 40 31 69 W12G17 30.25F TC 5
RANTOUL* SUNNY 39 28 63 NW13 30.25S WCI 31 TC 4
MATTOON SUNNY 41 30 65 W8 30.27S TC 5
PARIS* SUNNY 41 32 71 W9G16 30.27S TC 5
ILZ079-100>102-121700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 45 30 57 NW10 30.34R TC 7
BELLEVILLE SUNNY 47 30 52 W9 30.33R TC 8
CAHOKIA* SUNNY 45 27 49 W8 30.34R TC 7
SPARTA* SUNNY 42 29 59 W5 30.36S TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 43 26 51 CALM 30.35S TC 6
CAIRO* SUNNY 45 28 50 E6 30.37F TC 7
EFFINGHAM* SUNNY 42 32 66 W8 30.32S TC 6
MARION SUNNY 43 27 52 CALM 30.35R TC 6
MT. VERNON SUNNY 44 28 53 VRB5 30.33S TC 7
CENTRALIA* SUNNY 44 30 59 NW8 30.33S TC 6
SALEM* SUNNY 44 32 64 W9 30.32S TC 6
ILZ067-068-072-073-078-083-087-091-121700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 43 28 55 SW6 30.29F TC 6
FLORA* SUNNY 43 30 61 W7 30.32S TC 6
FAIRFIELD* SUNNY 42 28 56 SW5 30.33S TC 6
HARRISBURG* SUNNY 44 25 46 NW5 30.35R TC 7
ROBINSON* SUNNY 43 30 61 NW8 30.28F TC 6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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