071
ASUS43 KLOT 181410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT WED MAR 18 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.
ILZ001-002-007-009-015-016-024-181500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 28 22 78 S6 29.96F WCI 22 TC -2
STERLING* MOSUNNY 29 24 82 VRB3 30.00S TC -2
SAVANNA* PTSUNNY 28 23 82 S7 29.98S WCI 20 TC -2
ILZ003-004-008-010-011-017-018-181500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 27 23 85 S15 30.01R WCI 15 TC -3
FREEPORT* CLOUDY 28 24 86 S10 29.99F WCI 19 TC -2
ROCHELLE* CLOUDY 28 22 79 S13 30.00R WCI 17 TC -2
DE KALB* CLOUDY 26 22 87 S18 30.00S WCI 12 TC -4
PERU* CLOUDY 31 24 77 S15 30.01S WCI 20 TC -1
ILZ005-006-012>014-019>023-181500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 26 20 77 S10G25 30.02S WCI 16 TC -3
CHICAGO-MIDWAY FLURRIES 27 20 75 S14G23 30.04F WCI 16 TC -3
AURORA CLOUDY 27 21 78 S14 30.01S WCI 16 TC -3
JOLIET* DRIZZLE 29 22 76 S7 30.06S WCI 22 TC -2
WAUKEGAN CLOUDY 25 21 85 S14 30.01S WCI 13 TC -4
DUPAGE AIRPORT CLOUDY 26 21 81 S16 30.01F WCI 14 TC -3
KANKAKEE* FLURRIES 28 20 72 S12G20 30.07S WCI 18 TC -2
WHEELING LGT SNOW 26 21 81 S16 30.03F WCI 14 TC -3
MORRIS* CLOUDY 28 22 76 S12G20 30.03S WCI 18 TC -2
ROMEOVILLE* LGT SNOW 27 21 80 S21 30.05S WCI 13 TC -3
LANSING* CLOUDY 26 20 77 S13 30.07S WCI 15 TC -3
NORTHERLY ISL* N/A 26 20 77 S6 N/A WCI 20 TC -3
LMZ740>746-181500-
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 27 180/ 26/ 30 N/A
NORTHERLY ISL 25 160/ 11/ 15 N/A
CALUMET HARBOR 26 170/ 10/ 16 1017.2
BURNS HARBOR 25 170/ 9/ 14 1018.3F
MICHIGAN CITY 25 150/ 15/ 19 1019.0F
ILZ025>027-034>036-040-047-049-050-058-095>099-181500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 36 23 59 S9 29.96R WCI 29 TC 2
GALESBURG* SUNNY 30 27 90 S8 29.99S WCI 22 TC -1
MACOMB* SUNNY 32 25 74 S7 30.00S WCI 26 TC 0
JACKSONVILLE* SUNNY 36 23 60 S14 29.99S WCI 27 TC 2
PITTSFIELD* SUNNY 37 24 60 S10 29.99S WCI 30 TC 3
ILZ028>032-037-038-041>044-048-051>054-059>061-181500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 30 22 74 NE16 30.04R WCI 18 TC -1
BLOOMINGTON MOSUNNY 31 24 75 S21 30.01S WCI 18 TC -1
DECATUR PTSUNNY 33 23 66 S14G25 30.03F WCI 23 TC 1
PEORIA MOSUNNY 31 22 69 S13 30.00R WCI 21 TC -1
LACON* MOSUNNY 31 21 64 S9 30.01R WCI 23 TC 0
LINCOLN* PTSUNNY 33 21 60 S12 30.02S WCI 25 TC 1
SPRINGFIELD MOSUNNY 35 24 64 S14 30.01S WCI 26 TC 2
TAYLORVILLE PTSUNNY 36 25 64 S17G23 30.03S WCI 25 TC 2
ILZ033-039-045-046-055>057-062-063-181500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 32 20 61 S20G25 30.05F WCI 20 TC 0
DANVILLE* CLOUDY 30 22 74 S14G20 30.10S WCI 19 TC -1
RANTOUL* CLOUDY 28 23 82 S17 30.06S WCI 16 TC -2
MATTOON CLOUDY 33 21 61 S15G29 30.05S WCI 23 TC 1
PARIS* LGT SNOW 30 19 63 S15G21 30.10F WCI 19 TC -1
ILZ079-100>102-181500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 39 27 60 S13 30.03R WCI 32 TC 4
BELLEVILLE PTSUNNY 42 28 59 SW10 30.04R TC 5
CAHOKIA* MOSUNNY 40 26 57 S8 30.04R TC 4
SPARTA* CLOUDY 40 26 57 S15G25 30.07S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 41 26 55 S16G23 30.10S TC 5
CAIRO* CLOUDY 41 28 59 S12 30.15F TC 5
EFFINGHAM* CLOUDY 35 25 67 SE12 30.10S WCI 26 TC 2
MARION CLOUDY 39 25 56 S17 30.11S WCI 30 TC 4
MT. VERNON N/A 40 25 55 S13 30.10S TC 4
CENTRALIA* CLOUDY 40 25 54 S13 30.08R TC 5
SALEM* CLOUDY 38 24 57 S13 30.07R WCI 30 TC 3
ILZ067-068-072-073-078-083-087-091-181500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 35 19 52 S16 30.14F WCI 25 TC 2
FLORA* CLOUDY 36 27 69 S14 30.11R WCI 27 TC 2
FAIRFIELD* CLOUDY 35 26 70 S10 30.12S WCI 27 TC 2
HARRISBURG* CLOUDY 39 26 59 S13G18 30.14F WCI 31 TC 4
ROBINSON* CLOUDY 34 19 55 S15 30.12F WCI 24 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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