254
ASUS43 KLOT 120801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-120900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 29 24 82 W8 30.23F WCI 21 TC -2
STERLING* CLEAR 29 26 89 W9 30.21F WCI 20 TC -2
SAVANNA* CLEAR 32 25 73 W6 30.22S WCI 27 TC 0
ILZ003-004-008-010-011-017-018-120900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 30 23 75 W7 30.19S WCI 23 TC -1
FREEPORT* CLEAR 31 25 78 W6 30.20S WCI 25 TC -1
ROCHELLE* CLEAR 30 23 75 W9 30.19F WCI 21 TC -1
PERU* CLEAR 32 26 79 W7 30.21F WCI 26 TC 0
ILZ005-006-012>014-019>023-120900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 32 22 66 W7 30.15S WCI 26 TC 0
CHICAGO-MIDWAY CLEAR 30 24 78 SW7 30.17S WCI 23 TC -1
AURORA CLEAR 30 25 81 W10 30.17S WCI 21 TC -1
JOLIET* CLEAR 31 26 81 CALM 30.20S TC -1
WAUKEGAN CLEAR 30 21 69 W6 30.13S WCI 24 TC -1
DUPAGE AIRPORT CLEAR 30 23 75 W7 30.16S WCI 23 TC -1
WHEELING PTCLDY 31 22 69 W3 30.16S TC -1
MORRIS* CLEAR 31 26 81 W7 30.19S WCI 24 TC -1
ROMEOVILLE* CLEAR 32 25 74 W5 30.19F WCI 27 TC 0
LANSING* CLEAR 30 26 83 W6 30.18S WCI 24 TC -1
NORTHERLY ISL* N/A 34 25 70 W8 N/A WCI 27 TC 1
LMZ740>746-120900-
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 35 280/ 13/ 15 N/A
NORTHERLY ISL 34 250/ 7/ 9 N/A
CALUMET HARBOR 32 230/ 6/ 8 1021.3
BURNS HARBOR 36 280/ 7/ 8 1021.7S
MICHIGAN CITY 35 270/ 11/ 13 1021.3S
ILZ025>027-034>036-040-047-049-050-058-095>099-120900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 32 25 75 W5 30.30S WCI 27 TC 0
GALESBURG* CLEAR 30 29 97 W8 30.27S WCI 22 TC -1
MACOMB* CLEAR 31 28 85 W10 30.30S WCI 23 TC 0
JACKSONVILLE* CLEAR 33 26 76 NW8 30.30S WCI 25 TC 0
PITTSFIELD* CLEAR 35 27 73 W6 30.32S WCI 29 TC 1
ILZ028>032-037-038-041>044-048-051>054-059>061-120900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 33 27 78 W10 30.23S WCI 24 TC 0
BLOOMINGTON CLEAR 33 25 72 NW12 30.24S WCI 24 TC 1
DECATUR CLEAR 34 26 72 NW12 30.25R WCI 25 TC 1
PEORIA CLEAR 31 25 78 W5 30.25F WCI 26 TC -1
LINCOLN* CLEAR 33 25 71 NW5 30.27S WCI 29 TC 1
SPRINGFIELD FLURRIES 34 27 75 W7 30.28S WCI 28 TC 1
TAYLORVILLE CLEAR 36 27 69 NW9 30.28R WCI 29 TC 2
ILZ033-039-045-046-055>057-062-063-120900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 31 28 89 W8 30.22S WCI 23 TC -1
DANVILLE* CLEAR 32 29 88 W7 30.22R WCI 26 TC 0
RANTOUL* CLEAR 32 27 81 NW8 30.22R WCI 25 TC 0
MATTOON CLEAR 32 28 85 W8 30.24R WCI 25 TC 0
PARIS* PTCLDY 32 29 88 CALM 30.23R TC 0
ILZ079-100>102-120900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 33 28 80 NW7 30.29R WCI 27 TC 1
CAHOKIA* CLEAR 36 27 69 NW8 30.31R WCI 30 TC 2
SPARTA* PTCLDY 36 31 82 NW5 30.31S WCI 32 TC 2
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 38 29 70 N15 30.29R WCI 29 TC 3
CAIRO* MOCLDY 41 31 68 N17G25 30.27R TC 5
EFFINGHAM* PTCLDY 34 31 89 W6 30.29R WCI 29 TC 1
MARION PTCLDY 37 28 69 N8G17 30.29S WCI 31 TC 3
MT. VERNON PTCLDY 37 27 67 CALM 30.29R TC 3
CENTRALIA* PTCLDY 36 30 79 NW3 30.29S TC 2
SALEM* PTCLDY 36 30 79 CALM 30.29R TC 2
ILZ067-068-072-073-078-083-087-091-120900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 37 28 70 N10 30.25R WCI 30 TC 3
FLORA* PTCLDY 36 28 75 NW7 30.28R WCI 30 TC 2
FAIRFIELD* MOCLDY 37 28 70 N9 30.28R WCI 31 TC 3
HARRISBURG* MOCLDY 38 31 76 N15G21 30.27S WCI 30 TC 4
ROBINSON* PTCLDY 36 32 87 NW6 30.25R WCI 31 TC 2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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