798
ASUS43 KLOT 181110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-181200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 27 22 81 S9 29.94F WCI 18 TC -3
STERLING* FLURRIES 25 23 92 SE7 29.98F WCI 17 TC -4
SAVANNA* CLOUDY 25 22 86 S13 29.96S WCI 14 TC -4
ILZ003-004-008-010-011-017-018-181200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 24 21 88 S12 29.99F FOG WCI 13
FREEPORT* CLOUDY 25 22 89 S14 29.97F WCI 13 TC -4
ROCHELLE* FLURRIES 25 21 87 S14 29.99F WCI 13 TC -4
DE KALB* CLOUDY 23 22 96 S16 30.00F WCI 10 TC -5
PERU* LGT SNOW 27 24 85 SE16 30.01F WCI 15 TC -3
ILZ005-006-012>014-019>023-181200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 24 19 81 S13 30.03F WCI 12 TC -4
CHICAGO-MIDWAY FLURRIES 24 19 81 S9G21 30.05F WCI 14 TC -4
AURORA CLOUDY 24 21 88 SE15 30.02S WCI 11 TC -4
JOLIET* MIX PCPN 26 23 87 S10 30.07R WCI 16 TC -3
WAUKEGAN CLOUDY 24 19 81 S12G21 30.02S WCI 13 TC -4
DUPAGE AIRPORT CLOUDY 24 21 88 S13 30.02S WCI 12 TC -4
KANKAKEE* CLOUDY 25 19 80 SE13 30.09S WCI 13 TC -4
WHEELING LGT SNOW 24 21 88 S12 30.04F FOG WCI 13
MORRIS* CLOUDY 25 21 85 S14 30.04S WCI 14 TC -4
ROMEOVILLE* LGT SNOW 23 23 100 S13G25 30.06S WCI 11 TC -5
LANSING* CLOUDY 24 19 83 S12 30.08F WCI 12 TC -5
NORTHERLY ISL* N/A 24 19 81 S9 N/A WCI 15 TC -4
LMZ740>746-181200-
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/ 24/ 26 N/A
NORTHERLY ISL 23 180/ 12/ 12 N/A
CALUMET HARBOR 24 150/ 8/ 16 1017.7
BURNS HARBOR 23 170/ 7/ 10 1019.0F
MICHIGAN CITY 23 160/ 11/ 13 1019.7F
ILZ025>027-034>036-040-047-049-050-058-095>099-181200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FAIR 32 20 61 S8 29.93F WCI 25 TC 0
GALESBURG* CLOUDY 28 27 96 SE8G16 29.96S WCI 20 TC -2
MACOMB* CLOUDY 30 24 80 SE12 29.98S WCI 20 TC -1
JACKSONVILLE* CLOUDY 32 19 59 SE10 29.98S WCI 24 TC 0
PITTSFIELD* CLOUDY 34 23 65 S10 29.95F WCI 26 TC 1
ILZ028>032-037-038-041>044-048-051>054-059>061-181200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 27 21 76 W15 30.05R WCI 16 TC -3
BLOOMINGTON CLOUDY 26 21 81 S18 30.03S WCI 13 TC -3
DECATUR CLOUDY 29 20 69 S14 30.05S WCI 18 TC -2
PEORIA CLOUDY 27 21 78 S8G21 30.00F WCI 19 TC -3
LACON* FLURRIES 27 20 77 S9 30.01F WCI 17 TC -3
LINCOLN* CLOUDY 30 20 64 S10 30.03F WCI 21 TC -1
SPRINGFIELD CLOUDY 31 21 66 S15G28 30.00F WCI 20 TC -1
TAYLORVILLE CLOUDY 30 19 64 S15 30.03F WCI 19 TC -1
ILZ033-039-045-046-055>057-062-063-181200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 27 18 69 SE18 30.06S WCI 14 TC -3
DANVILLE* CLOUDY 27 18 68 SE13 30.10F WCI 16 TC -3
RANTOUL* CLOUDY 26 19 72 SE12G21 30.07F WCI 16 TC -3
MATTOON CLOUDY 29 18 63 SE15G22 30.07S WCI 18 TC -2
PARIS* CLOUDY 28 18 67 SE10G18 30.12S WCI 18 TC -2
ILZ079-100>102-181200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MIX PCPN 34 24 67 SE9 30.03F WCI 26 TC 1
BELLEVILLE LGT RAIN 36 24 60 S10 30.04S WCI 29 TC 2
CAHOKIA* CLOUDY 36 22 56 S8 30.03F WCI 30 TC 2
SPARTA* LGT RAIN 38 20 48 S12G20 30.07S WCI 30 TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 38 19 46 S9G23 30.10S WCI 31 TC 3
CAIRO* CLOUDY 40 21 46 S5 30.16R TC 5
EFFINGHAM* CLOUDY 31 19 62 SE8G18 30.11R WCI 23 TC -1
MARION CLOUDY 37 16 43 S12G22 30.12R WCI 29 TC 3
MT. VERNON N/A 34 20 56 S7 30.11R WCI 28 TC 1
CENTRALIA* CLOUDY 35 19 52 S5 30.10R WCI 31 TC 2
SALEM* CLOUDY 34 19 52 S8 30.09R WCI 28 TC 1
ILZ067-068-072-073-078-083-087-091-181200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 31 17 56 S13 30.15S WCI 21 TC -1
FLORA* CLOUDY 32 19 59 S15 30.11S WCI 22 TC 0
FAIRFIELD* CLOUDY 33 19 56 SE10 30.11S WCI 24 TC 0
HARRISBURG* CLOUDY 35 20 54 S7 30.14S WCI 29 TC 2
ROBINSON* CLOUDY 30 18 59 SE10 30.13S WCI 21 TC -1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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