311
ASUS43 KLOT 271010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CST FRI FEB 27 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.
ILZ001-002-007-009-015-016-024-271100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 21 18 88 CALM 29.86S TC -6
STERLING* CLEAR 20 20 100 CALM 29.88S TC -7
SAVANNA* CLEAR 26 24 94 CALM 29.86S FOG TC -3
ILZ003-004-008-010-011-017-018-271100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 27 26 96 SE5 29.88S WCI 22 TC -3
ROCHELLE* CLEAR 18 15 90 S5 29.88S FOG WCI 11
PERU* FOG N/A N/A N/A S3 29.88F VSB 1
ILZ005-006-012>014-019>023-271100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 32 29 88 SW5 29.87R WCI 27 TC 0
CHICAGO-MIDWAY CLEAR 31 30 96 SW6 29.88S WCI 25 TC -1
AURORA FOG 19 19 100 CALM 29.87S VSB 1/4 TC -7
JOLIET* FOG 25 24 97 CALM 29.90R VSB 1/4 TC -4
WAUKEGAN CLEAR 31 27 85 W8 29.84F WCI 23 TC -1
DUPAGE AIRPORT CLEAR 28 28 100 S6 29.86S WCI 22 TC -2
KANKAKEE* CLEAR 27 26 95 CALM 29.91S TC -3
WHEELING PTCLDY 26 26 100 SW3 29.88S TC -3
MORRIS* FOG 25 24 97 CALM 29.89R VSB 1/4 TC -4
ROMEOVILLE* FOG 28 28 100 CALM 29.89S VSB 1/2 TC -2
LANSING* CLEAR 28 28 97 CALM 29.90R TC -2
NORTHERLY ISL* N/A 36 32 85 SW5 N/A WCI 32 TC 2
LMZ740>746-271100-
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 40 250/ 4/ 5 N/A
NORTHERLY ISL 37 230/ 9/ 11 N/A
CALUMET HARBOR 35 200/ 6/ 7 1011.4
BURNS HARBOR 36 190/ 6/ 8 1012.5S
MICHIGAN CITY 36 170/ 7/ 9 1012.2R
ILZ025>027-034>036-040-047-049-050-058-095>099-271100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 35 26 69 SW7 29.89F WCI 29 TC 2
GALESBURG* CLEAR N/A N/A N/A S3 29.90R HAZE
MACOMB* CLEAR 24 19 81 SW3 29.92S TC -5
JACKSONVILLE* CLEAR 31 24 76 S5 29.92R WCI 26 TC -1
PITTSFIELD* CLEAR 36 26 67 SW3 29.92S TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-271100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 21 19 93 CALM 29.91S FOG TC -6
BLOOMINGTON CLEAR 28 28 100 SW3 29.92R FOG TC -2
DECATUR CLEAR 31 27 85 SW3 29.92S TC -1
PEORIA CLEAR 27 26 96 CALM 29.90S FOG TC -3
LACON* CLEAR 23 21 91 CALM 29.90R FOG TC -5
LINCOLN* CLEAR 27 25 93 CALM 29.92S TC -3
SPRINGFIELD CLEAR 29 23 78 S3 29.92S TC -2
TAYLORVILLE CLEAR 32 28 86 S5 29.93S WCI 27 TC 0
ILZ033-039-045-046-055>057-062-063-271100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 28 28 100 SW6 29.91S FOG WCI 22
DANVILLE* CLEAR 33 32 97 CALM 29.92S TC 0
RANTOUL* FOG 26 25 97 CALM 29.91S VSB 1 TC -3
MATTOON CLEAR 38 34 85 SW7 29.92S WCI 33 TC 3
PARIS* CLEAR 36 34 90 CALM 29.93R TC 2
ILZ079-100>102-271100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 32 30 92 CALM 29.95S FOG TC 0
BELLEVILLE CLEAR 31 30 95 CALM 29.93F TC -1
CAHOKIA* CLEAR 31 31 100 S3 29.94F TC -1
SPARTA* CLEAR 34 33 97 CALM 29.97R TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 36 35 99 CALM 30.00R VSB 1/2 TC 2
EFFINGHAM* CLEAR 31 31 100 CALM 29.96S TC 0
MARION CLEAR 37 36 97 S6 29.98S WCI 33 TC 3
MT. VERNON CLEAR 28 27 96 CALM 29.97R TC -2
CENTRALIA* CLEAR 34 33 95 CALM 29.96R FOG TC 1
SALEM* CLEAR 36 35 94 CALM 29.96R FOG TC 2
ILZ067-068-072-073-078-083-087-091-271100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 33 32 96 S3 29.96S TC 1
FLORA* CLEAR 30 30 100 CALM 29.96S TC -1
FAIRFIELD* CLEAR 31 30 94 CALM 29.96S FOG TC 0
HARRISBURG* CLEAR 32 30 93 CALM 29.98S TC 0
ROBINSON* CLEAR 32 32 100 SW1 29.95R TC 0
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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