920
ASUS43 KLOT 180906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 26 22 84 SE12 29.96F WCI 16 TC -3
STERLING* FLURRIES 24 21 88 SE6 30.02F WCI 17 TC -4
SAVANNA* LGT SNOW 24 20 86 S10 30.00F WCI 13 TC -4
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 23 20 88 S13G18 30.02F FOG WCI 11
FREEPORT* CLOUDY 24 21 90 S12 30.01F WCI 13 TC -5
ROCHELLE* LGT SNOW 24 20 87 S14 30.03F WCI 11 TC -5
DE KALB* LGT SNOW 22 21 95 S15 30.03F WCI 9 TC -5
PERU* CLOUDY 26 22 83 SE10 30.04F WCI 17 TC -3
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 23 19 85 S12 30.06F FOG WCI 12
CHICAGO-MIDWAY LGT SNOW 24 20 84 S12 30.08F FOG WCI 13
AURORA FLURRIES 23 21 92 SE15 30.04F WCI 10 TC -5
JOLIET* LGT SNOW 26 24 91 S8 30.09F WCI 17 TC -3
WAUKEGAN FLURRIES 23 19 85 S10 30.04F WCI 12 TC -5
DUPAGE AIRPORT LGT SNOW 23 20 88 S12 30.04F FOG WCI 12
KANKAKEE* LGT SNOW 24 21 87 S7 30.11F WCI 16 TC -4
WHEELING LGT SNOW 24 20 84 S13 30.07F FOG WCI 12
MORRIS* MIX PCPN 25 22 90 S9 30.07F WCI 15 TC -4
ROMEOVILLE* MIX PCPN 23 23 100 S13 30.08F FOG WCI 11
LANSING* LGT SNOW 23 19 84 S12 30.11F WCI 12 TC -5
NORTHERLY ISL* N/A 24 19 81 S14 N/A WCI 12 TC -4
LMZ740>746-181000-
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 25 190/ 18/ 21 N/A
NORTHERLY ISL 24 180/ 5/ 13 N/A
CALUMET HARBOR 170/ 9/ 12 1018.8
BURNS HARBOR 24 190/ 8/ 10 1020.0F
MICHIGAN CITY 24 180/ 9/ 12 1020.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 30 23 75 SE10 29.96F WCI 21 TC -1
GALESBURG* CLOUDY 26 26 100 SE12G17 29.99F WCI 16 TC -3
MACOMB* CLOUDY 28 24 86 S10 30.01F WCI 19 TC -2
JACKSONVILLE* CLOUDY 30 20 66 SE10 30.02F WCI 21 TC -1
PITTSFIELD* MOCLDY 32 23 70 SE5 30.01F WCI 27 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 26 21 81 W13G18 30.07F WCI 15 TC -3
BLOOMINGTON CLOUDY 25 23 92 S15 30.05F WCI 13 TC -4
DECATUR CLOUDY 28 20 71 SE14 30.07F WCI 17 TC -2
PEORIA CLOUDY 26 22 84 S10G20 30.03F WCI 16 TC -3
LACON* CLOUDY 26 20 80 S13G18 30.03F WCI 14 TC -4
LINCOLN* CLOUDY 28 20 70 S13 30.06F WCI 18 TC -2
SPRINGFIELD CLOUDY 29 21 72 S15 30.04F WCI 18 TC -2
TAYLORVILLE CLOUDY 28 19 69 S12 30.06F WCI 18 TC -2
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 26 19 74 SE14 30.08F WCI 14 TC -3
DANVILLE* CLOUDY 26 18 70 S10 30.13F WCI 16 TC -3
RANTOUL* CLOUDY 26 19 75 SE13 30.08F WCI 15 TC -3
MATTOON CLOUDY 27 17 66 SE14G23 30.09F WCI 16 TC -3
PARIS* CLOUDY 26 17 70 SE14 30.13F WCI 14 TC -3
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 34 18 52 SE10 30.05F WCI 26 TC 1
BELLEVILLE CLOUDY 35 21 56 S9 30.05F WCI 28 TC 2
CAHOKIA* CLOUDY 35 18 49 S8 30.05F WCI 29 TC 2
SPARTA* CLOUDY 35 17 49 S8 30.08F WCI 28 TC 2
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 36 17 46 S10 30.10F WCI 28 TC 2
CAIRO* CLOUDY 39 22 50 S10G17 30.14F WCI 32 TC 4
EFFINGHAM* CLOUDY 29 19 65 E13 30.13F WCI 19 TC -1
MARION CLOUDY 35 14 43 S9 30.12F WCI 27 TC 2
MT. VERNON N/A 32 18 56 SE9 30.12F WCI 24 TC 0
CENTRALIA* CLOUDY 33 19 56 SE10 30.10F WCI 25 TC 1
SALEM* CLOUDY 33 18 55 SE9 30.10F WCI 25 TC 1
ILZ067-068-072-073-078-083-087-091-181000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 30 17 58 SE14 30.16F WCI 19 TC -1
FLORA* MOCLDY 30 21 69 SE10 30.13F WCI 21 TC -1
FAIRFIELD* MOCLDY 31 19 60 SE10 30.14F WCI 23 TC 0
HARRISBURG* CLOUDY 34 17 50 SE12 30.14F WCI 25 TC 1
ROBINSON* CLOUDY 28 18 64 SE13 30.14F WCI 18 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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