141
ASUS43 KLOT 181006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-181100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT SNOW 27 23 85 SE8 29.96S FOG WCI 19
STERLING* LGT SNOW 25 22 88 VRB6 30.00F FOG WCI 18
SAVANNA* LGT SNOW 24 21 87 SE10 29.97F WCI 14 TC -4
ILZ003-004-008-010-011-017-018-181100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 23 20 88 SE9 30.01F FOG WCI 13
FREEPORT* CLOUDY 24 22 90 S10 29.99F WCI 14 TC -4
ROCHELLE* CLOUDY 24 20 85 S16 30.00F WCI 11 TC -4
DE KALB* LGT SNOW 23 21 94 S15 30.01F WCI 10 TC -5
PERU* CLOUDY 27 23 85 S13 30.02F WCI 16 TC -3
ILZ005-006-012>014-019>023-181100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FLURRIES 24 19 81 S14G21 30.04F WCI 12 TC -4
CHICAGO-MIDWAY FLURRIES 24 20 84 S12 30.07S WCI 13 TC -4
AURORA LGT SNOW 24 21 88 SE12 30.02F FOG WCI 13
JOLIET* LGT SNOW 26 23 89 S8 30.06F WCI 17 TC -3
WAUKEGAN CLOUDY 23 19 85 S10G24 30.02F WCI 12 TC -5
DUPAGE AIRPORT CLOUDY 24 21 88 S13 30.02F WCI 12 TC -4
KANKAKEE* CLOUDY 24 20 87 SE12 30.09F WCI 13 TC -4
WHEELING CLOUDY 24 20 84 S14 30.05F WCI 12 TC -4
MORRIS* LGT SNOW 25 22 91 S13 30.04F WCI 13 TC -4
ROMEOVILLE* MIX PCPN 23 23 100 SE16 30.06F FOG WCI 10
LANSING* LGT SNOW 23 20 87 S14 30.09F WCI 11 TC -5
NORTHERLY ISL* N/A 23 20 88 S12 N/A WCI 12 TC -5
LMZ740>746-181100-
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 25 180/ 19/ 24 N/A
NORTHERLY ISL 23 160/ 8/ 13 N/A
CALUMET HARBOR 23 160/ 11/ 14 1018.3
BURNS HARBOR 24 180/ 7/ 9 1019.6F
MICHIGAN CITY 24 170/ 9/ 10 1020.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-181100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 31 22 69 SE10 29.94F WCI 22 TC -1
GALESBURG* CLOUDY 27 27 98 SE9 29.97F WCI 18 TC -3
MACOMB* CLOUDY 29 25 84 SE15 29.97F WCI 17 TC -2
JACKSONVILLE* CLOUDY 31 20 63 SE10 30.00F WCI 23 TC 0
PITTSFIELD* CLOUDY 33 23 66 SE8 29.97F WCI 26 TC 1
ILZ028>032-037-038-041>044-048-051>054-059>061-181100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 27 22 81 W14 30.05F WCI 15 TC -3
BLOOMINGTON CLOUDY 26 22 84 S18 30.03F WCI 13 TC -3
DECATUR CLOUDY 28 19 69 S13 30.05F WCI 17 TC -2
PEORIA CLOUDY 26 21 81 S12 30.02F WCI 16 TC -3
LACON* CLOUDY 26 21 80 S9 30.02F WCI 17 TC -3
LINCOLN* CLOUDY 29 19 66 S13 30.04F WCI 19 TC -2
SPRINGFIELD FLURRIES 30 20 66 S14 30.02F WCI 19 TC -1
TAYLORVILLE CLOUDY 30 19 64 S12G17 30.05F WCI 21 TC -1
ILZ033-039-045-046-055>057-062-063-181100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 27 18 69 SE16 30.06F WCI 15 TC -3
DANVILLE* CLOUDY 26 17 68 SE15 30.10F WCI 14 TC -3
RANTOUL* CLOUDY 26 18 72 SE15 30.08S WCI 14 TC -3
MATTOON CLOUDY 28 18 66 SE16 30.07F WCI 16 TC -2
PARIS* CLOUDY 27 18 71 SE14 30.10F WCI 15 TC -3
ILZ079-100>102-181100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON FLURRIES 35 20 55 SE9 30.04F WCI 27 TC 1
BELLEVILLE MOCLDY 36 21 55 S9 30.04F WCI 29 TC 2
CAHOKIA* CLOUDY 36 20 52 S9 30.04F WCI 29 TC 2
SPARTA* CLOUDY 36 19 49 S7 30.08S WCI 30 TC 2
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 37 18 46 S13 30.10S WCI 29 TC 3
CAIRO* CLOUDY 40 22 48 S12G18 30.13S TC 4
EFFINGHAM* CLOUDY 30 20 66 SE12G17 30.10F WCI 20 TC -1
MARION CLOUDY 36 14 40 S12 30.11F WCI 28 TC 2
MT. VERNON N/A 33 18 53 SE12G17 30.10F WCI 24 TC 1
CENTRALIA* CLOUDY 34 19 53 SE12 30.07F WCI 25 TC 1
SALEM* CLOUDY 33 19 55 SE10 30.07F WCI 25 TC 1
ILZ067-068-072-073-078-083-087-091-181100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 30 16 56 S16 30.15F WCI 19 TC -1
FLORA* MOCLDY 30 19 64 SE12 30.11F WCI 21 TC -1
FAIRFIELD* CLOUDY 32 20 60 SE12 30.13F WCI 23 TC 0
HARRISBURG* CLOUDY 34 19 54 SE7 30.14S WCI 28 TC 1
ROBINSON* CLOUDY 28 18 64 S13 30.13S 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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