636
ASUS43 KLOT 280603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CST SAT FEB 28 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.
ILZ001-002-007-009-015-016-024-280700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 40 22 48 NW14G24 29.99R TC 4
6HR MIN TEMP: 40; 6HR MAX TEMP: 56;
STERLING* CLEAR 39 27 62 W12 29.96R WCI 32 TC 4
SAVANNA* CLEAR 39 29 66 W7 29.95R WCI 34 TC 4
ILZ003-004-008-010-011-017-018-280700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 39 29 67 W12 29.93R WCI 32 TC 4
6HR MIN TEMP: 38; 6HR MAX TEMP: 59;
FREEPORT* CLEAR 38 30 70 W10 29.94R WCI 32 TC 4
ROCHELLE* CLEAR 40 27 59 NW10 29.93R TC 4
PERU* CLEAR 41 30 64 W15 29.95R TC 5
ILZ005-006-012>014-019>023-280700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 46 30 53 NW16 29.85R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 62;
CHICAGO-MIDWAY PTCLDY 48 30 49 W14 29.86R TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 63;
AURORA CLEAR 39 30 70 NW16 29.89R WCI 30 TC 4
6HR MIN TEMP: 37; 6HR MAX TEMP: 57;
JOLIET* CLEAR 45 32 60 W9G18 29.90R TC 7
WAUKEGAN CLEAR 45 27 49 NW13G23 29.85R TC 7
6HR MIN TEMP: 39; 6HR MAX TEMP: 52;
DUPAGE AIRPORT CLEAR 43 30 60 NW21G30 29.87R TC 6
6HR MIN TEMP: 43; 6HR MAX TEMP: 59;
KANKAKEE* CLEAR 45 31 58 NW13 29.89R TC 7
WHEELING PTCLDY 46 30 53 NW16G25 29.87R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 61;
MORRIS* CLEAR 42 31 65 NW14 29.90R TC 6
ROMEOVILLE* PTCLDY 45 32 61 NW18G24 29.89R TC 7
LANSING* CLEAR 46 29 50 W10G16 29.86R TC 8
NORTHERLY ISL* N/A 48 29 48 NW14 N/A TC 9
LMZ740>746-280700-
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 50 290/ 19/ 21 N/A
NORTHERLY ISL 50 330/ 10/ 13 N/A
CALUMET HARBOR 51 270/ 9/ 13 1009.7R
BURNS HARBOR 44 260/ 8/ 10 1010.5R
MICHIGAN CITY 43 250/ 11/ 12 1009.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-280700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 48 28 46 N14 29.99R TC 9
GALESBURG* CLEAR 42 26 55 NW10 30.01R TC 5
MACOMB* CLEAR 43 30 60 N14 30.02R TC 6
JACKSONVILLE* CLEAR 42 27 54 NW7 29.98R TC 6
PITTSFIELD* CLEAR 51 29 42 N15 30.00R TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-280700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 45 28 53 NW12 29.93R TC 7
BLOOMINGTON CLEAR 47 31 53 NW16 29.94R TC 8
DECATUR CLEAR 51 25 36 NW8 29.95R TC 11
PEORIA CLEAR 46 27 47 NW12G24 29.97R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 64;
LACON* CLEAR 43 28 55 NW12G18 29.96R TC 6
LINCOLN* CLEAR 49 27 42 NW5 29.96R TC 9
SPRINGFIELD CLEAR 51 29 42 N9 29.96R TC 11
6HR MIN TEMP: 50; 6HR MAX TEMP: 64;
TAYLORVILLE CLEAR 52 28 39 NW10 29.96R TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 66;
ILZ033-039-045-046-055>057-062-063-280700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 39 26 59 NW8 29.93R WCI 33 TC 4
DANVILLE* CLEAR 47 27 46 W9 29.91R TC 8
RANTOUL* CLEAR 42 28 58 W8 29.93R TC 6
MATTOON CLEAR 45 29 53 W12 29.94R TC 7
PARIS* CLEAR 46 34 64 CALM 29.93R TC 8
ILZ079-100>102-280700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 47 28 47 CALM 29.98R TC 8
BELLEVILLE CLEAR 51 32 49 N5 29.96R TC 10
CAHOKIA* CLEAR 44 32 62 N3 29.97R TC 7
SPARTA* CLEAR 56 39 53 W3 29.97R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 47 36 65 CALM 29.99S TC 8
EFFINGHAM* CLEAR 45 39 79 CALM 29.97R TC 7
MARION CLEAR 58 35 41 SW10 29.96S TC 14
MT. VERNON CLEAR 54 38 54 CALM 29.97R TC 12
CENTRALIA* CLEAR 50 40 68 CALM 29.97R TC 10
SALEM* CLEAR 53 40 61 CALM 29.97R TC 12
ILZ067-068-072-073-078-083-087-091-280700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 49 37 63 W7 29.95R TC 9
FLORA* CLEAR 54 39 58 W8 29.97R TC 12
FAIRFIELD* CLEAR 55 38 51 W5 29.97R TC 13
HARRISBURG* CLEAR 55 34 44 SW8 29.96S TC 13
ROBINSON* CLEAR 46 39 76 SW10 29.94R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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