242
ASUS43 KLOT 182106
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CST THU DEC 18 2025
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.
ILZ001-002-007-009-015-016-024-182200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 34 25 69 NW22G35 29.47R WCI 22 TC 1
STERLING* PTSUNNY 39 39 100 W14 29.42R WCI 31 TC 4
SAVANNA* PTSUNNY 36 28 73 W16G23 29.44R WCI 26 TC 2
ILZ003-004-008-010-011-017-018-182200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 37 35 92 SW9 29.40R WCI 30 TC 3
FREEPORT* PTSUNNY 38 35 89 W12G17 29.39R WCI 30 TC 3
DE KALB* CLOUDY 36 36 100 W9 29.39S WCI 29 TC 2
PERU* CLOUDY 39 38 99 W8 29.44R WCI 33 TC 4
ILZ005-006-012>014-019>023-182200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 40 37 89 W15G35 29.37R TC 4
CHICAGO-MIDWAY LGT RAIN 42 39 89 W17 29.39R TC 6
AURORA CLOUDY 36 35 96 W10 29.39S WCI 28 TC 2
JOLIET* RAIN 40 39 96 W7G16 29.42R TC 5
WAUKEGAN LGT RAIN 41 37 86 W22G41 29.34R TC 5
DUPAGE AIRPORT LGT RAIN 38 36 92 W10 29.37F WCI 31 TC 3
KANKAKEE* LGT RAIN 40 39 95 W23 29.45R TC 5
WHEELING RAIN 41 38 89 NW15G28 29.37R TC 5
MORRIS* LGT RAIN 38 38 100 W9G18 29.41R WCI 32 TC 4
ROMEOVILLE* LGT RAIN 39 39 100 W15G26 29.41 WCI 31 TC 4
LANSING* RAIN 46 41 82 W14G25 29.29F TC 8
NORTHERLY ISL* N/A 44 40 85 W14 N/A TC 7
LMZ740>746-182200-
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 48 260/ 24/ 28 N/A
NORTHERLY ISL 48 220/ 8/ 29 N/A
CALUMET HARBOR 49 220/ 7/ 19 993.4
BURNS HARBOR 51 210/ 11/ 17 994.6R
MICHIGAN CITY 51 180/ 18/ 21 992.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-182200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 48 37 65 SW10 29.51R TC 9
GALESBURG* PTSUNNY 43 41 93 SW13 29.46S TC 6
MACOMB* MOSUNNY 45 40 83 SW8 29.50R TC 7
JACKSONVILLE* PTSUNNY 41 40 98 SW8 29.53R TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-182200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 40 38 95 W9 29.46R TC 4
BLOOMINGTON CLOUDY 40 39 97 W12 29.49R TC 4
DECATUR LGT RAIN 41 39 93 W10G21 29.52R TC 5
PEORIA PTSUNNY 40 37 89 SW9 29.49R TC 4
LACON* CLOUDY 39 35 85 SW3 29.46R TC 4
LINCOLN* CLOUDY 41 39 93 W3 29.51R TC 5
SPRINGFIELD CLOUDY 41 39 93 SW6 29.52R TC 5
TAYLORVILLE N/A 41 40 95 W8 29.53F TC 5
ILZ033-039-045-046-055>057-062-063-182200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 42 40 92 W20G28 29.48R TC 6
DANVILLE* CLOUDY 50 47 90 W17G24 29.45R TC 10
RANTOUL* RAIN 42 40 94 NW15 29.47R TC 5
MATTOON RAIN 45 43 93 W20G32 29.50R TC 7
PARIS* RAIN 47 47 97 W18G25 29.48R TC 9
ILZ079-100>102-182200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 45 41 87 W7 29.58R TC 7
BELLEVILLE LGT RAIN 46 43 92 W7 29.57R FOG TC 8
CAHOKIA* CLOUDY 45 41 86 W6 29.57S TC 7
SPARTA* LGT RAIN 45 45 98 W6 29.60R TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 51 48 89 NW15G26 29.58R TC 11
CAIRO* CLOUDY 59 58 96 S13 29.54F TC 15
EFFINGHAM* LGT RAIN 46 45 98 W15 29.55R TC 8
MARION HVY RAIN 54 50 87 NW21G33 29.56R TC 12
MT. VERNON LGT RAIN N/A N/A N/A W10G18 29.55F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* RAIN 48 46 92 W13 29.55R TC 9
METROPOLIS* LGT RAIN 57 56 97 S5 29.55F TC 14
ILZ067-068-072-073-078-083-087-091-182200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 56 53 90 S23G35 29.48F TC 13
FLORA* RAIN 50 50 100 W18 29.55R FOG TC 10
FAIRFIELD* CLOUDY 55 54 94 W16G30 29.51S TC 13
HARRISBURG* LGT RAIN 57 55 91 SW14G20 29.52F TC 14
ROBINSON* DRIZZLE 55 55 100 S22G36 29.45F FOG TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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