072
ASUS43 KLOT 121010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-121100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 30 24 78 W10 30.22R WCI 21 TC -1
STERLING* CLEAR 27 25 92 SW7 30.20S WCI 19 TC -3
SAVANNA* CLEAR 31 25 77 W8 30.19S WCI 24 TC 0
ILZ003-004-008-010-011-017-018-121100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 29 23 78 W7 30.17S WCI 22 TC -2
FREEPORT* CLEAR 30 25 81 W8 30.17S WCI 22 TC -1
ROCHELLE* CLEAR 27 23 87 W7 30.17S WCI 19 TC -3
PERU* CLEAR 31 26 81 SW7 30.20S WCI 24 TC 0
ILZ005-006-012>014-019>023-121100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 30 22 72 SW6 30.13F WCI 24 TC -1
CHICAGO-MIDWAY PTCLDY 30 23 75 W8 30.15F WCI 22 TC -1
AURORA CLEAR 27 24 89 W6 30.15F WCI 20 TC -3
JOLIET* CLEAR 29 27 91 CALM 30.18F TC -2
WAUKEGAN CLEAR 28 21 75 W6 30.12S WCI 22 TC -2
DUPAGE AIRPORT CLEAR 29 23 78 W7 30.14F WCI 22 TC -2
KANKAKEE* CLEAR 32 26 78 W10 30.20S WCI 23 TC 0
WHEELING PTCLDY 29 22 75 SW3 30.15S TC -2
MORRIS* CLEAR 30 26 85 W8 30.18S WCI 22 TC -1
ROMEOVILLE* MOCLDY 30 27 86 SW7 30.18S WCI 23 TC -1
LANSING* PTCLDY 29 24 81 W7 30.17S WCI 22 TC -2
NORTHERLY ISL* N/A 32 23 70 W8 N/A WCI 25 TC 0
LMZ740>746-121100-
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 35 260/ 14/ 16 N/A
NORTHERLY ISL 33 240/ 7/ 10 N/A
CALUMET HARBOR 31 220/ 5/ 6 1020.6
BURNS HARBOR 36 250/ 6/ 8 1021.3F
MICHIGAN CITY 35 250/ 12/ 13 1020.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-121100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 30 25 81 SW7 30.28S WCI 23 TC -1
GALESBURG* CLEAR 30 29 97 W8 30.24S WCI 22 TC -1
MACOMB* CLEAR 30 27 90 W7 30.27S WCI 23 TC -1
JACKSONVILLE* CLEAR 31 25 76 SW5 30.27F WCI 27 TC 0
PITTSFIELD* CLEAR 32 26 78 W7 30.29F WCI 26 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-121100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 31 26 82 W8 30.21S WCI 23 TC -1
BLOOMINGTON CLEAR 30 26 85 W7 30.23S WCI 23 TC -1
DECATUR CLEAR 33 26 75 NW8 30.25R WCI 26 TC 1
PEORIA CLEAR 30 25 81 W3 30.23F TC -1
LACON* CLEAR 29 23 79 S5 30.21S WCI 24 TC -2
LINCOLN* CLEAR 33 23 67 W5 30.26R WCI 29 TC 1
SPRINGFIELD FLURRIES 33 26 75 W6 30.27R WCI 28 TC 1
TAYLORVILLE CLEAR 32 28 86 W7 30.27S WCI 26 TC 0
ILZ033-039-045-046-055>057-062-063-121100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 31 27 85 NW10 30.22R WCI 22 TC -1
DANVILLE* CLEAR 31 27 86 W5 30.22S WCI 26 TC -1
RANTOUL* CLEAR 31 26 82 W6 30.22R WCI 26 TC 0
MATTOON CLEAR 31 28 89 W8 30.24R WCI 23 TC -1
PARIS* CLEAR 31 29 92 CALM 30.24R TC 0
ILZ079-100>102-121100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 32 28 85 W6 30.30S WCI 27 TC 0
BELLEVILLE CLEAR 32 28 85 CALM 30.29R TC 0
CAHOKIA* CLEAR 35 26 69 NW6 30.30S WCI 30 TC 2
SPARTA* CLEAR 34 30 84 W3 30.32S TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 35 30 82 NW5 30.32R WCI 31 TC 2
CAIRO* PTCLDY 39 30 70 N7 30.33R WCI 34 TC 4
EFFINGHAM* CLEAR 31 29 96 W5 30.29R WCI 26 TC -1
MARION PTCLDY 35 28 77 CALM 30.33R TC 2
MT. VERNON CLEAR 32 29 88 CALM 30.30R TC 0
CENTRALIA* CLEAR 33 30 88 W5 30.30R WCI 29 TC 1
SALEM* CLEAR 35 30 80 W3 30.29R TC 2
ILZ067-068-072-073-078-083-087-091-121100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 34 29 82 NW8 30.26R WCI 27 TC 1
FLORA* CLEAR 34 28 80 W7 30.29R WCI 28 TC 1
FAIRFIELD* CLEAR 35 28 78 CALM 30.29R TC 2
HARRISBURG* PTCLDY 35 26 69 NW3 30.31R TC 2
ROBINSON* CLEAR 34 30 86 NW9 30.25R WCI 26 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page