Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 100210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CST TUE DEC 09 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-100300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 40 32 73 SW10G20 29.42F TC 4
STERLING* CLOUDY 37 33 85 VRB7 29.43F WCI 32 TC 3
$$
ILZ003-004-008-010-011-017-018-100300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 35 32 88 SE12 29.43F WCI 27 TC 2
FREEPORT* CLOUDY 36 33 88 S15 29.42F WCI 26 TC 2
DE KALB* MIX PCPN 33 33 99 S16 29.46F WCI 22 TC 1
PERU* RAIN 37 33 83 S13 29.49S WCI 29 TC 3
$$
ILZ005-006-012>014-019>023-100300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 35 32 88 S13 29.48F FOG WCI 26
CHICAGO-MIDWAY LGT RAIN 36 33 89 S10 29.50F FOG WCI 28
AURORA LGT RAIN 34 33 96 S15 29.47F FOG WCI 24
JOLIET* LGT RAIN 37 36 93 S9 29.50F WCI 31 TC 3
WAUKEGAN LGT RAIN 34 32 92 S8 29.47F WCI 27 TC 1
DUPAGE AIRPORT LGT RAIN 34 33 96 S14 29.46F FOG WCI 25
WHEELING LGT RAIN 35 33 92 S10 29.49F WCI 27 TC 2
MORRIS* LGT RAIN 36 34 95 S13 29.48F WCI 27 TC 2
ROMEOVILLE* LGT RAIN 36 36 100 S15 29.50F WCI 26 TC 2
LANSING* LGT RAIN 35 30 81 S16 29.53F WCI 25 TC 2
NORTHERLY ISL* N/A 36 32 85 S9 N/A WCI 29 TC 2
$$
LMZ740>746-100300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 36 180/ 19/ 20 N/A
NORTHERLY ISL 36 190/ 11/ 13 N/A
CALUMET HARBOR 36 160/ 10/ 13 1000.2
BURNS HARBOR 37 180/ 8/ 12 1001.4F
MICHIGAN CITY 36 160/ 14/ 19 1000.7F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-100300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 45 33 63 S18 29.51F TC 7
GALESBURG* CLOUDY 40 37 87 S15 29.47F TC 5
MACOMB* CLOUDY 43 34 69 S17G23 29.50F TC 6
JACKSONVILLE* CLOUDY 43 32 65 S16 29.55S TC 6
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-100300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 37 32 81 S23 29.51F WCI 26 TC 3
BLOOMINGTON CLOUDY 37 33 85 S21 29.52F WCI 26 TC 3
DECATUR CLOUDY 37 32 82 S18G29 29.59F WCI 27 TC 3
PEORIA CLOUDY 38 33 82 S12 29.52S WCI 30 TC 3
LINCOLN* CLOUDY 39 31 72 S13G20 29.55F WCI 32 TC 4
SPRINGFIELD CLOUDY 39 33 79 S14G26 29.56F WCI 31 TC 4
TAYLORVILLE CLOUDY 37 33 84 S20G29 29.59F WCI 27 TC 3
$$
ILZ033-039-045-046-055>057-062-063-100300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 36 32 85 S22G35 29.59F WCI 25 TC 2
RANTOUL* CLOUDY 35 32 88 S17G23 29.58F WCI 25 TC 2
MATTOON CLOUDY 37 32 82 S17G38 29.62F WCI 27 TC 3
PARIS* CLOUDY 38 32 80 S25G31 29.63F WCI 26 TC 3
$$
ILZ079-100>102-100300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 45 34 65 S16 29.64F TC 7
BELLEVILLE CLOUDY 43 34 71 SW16 29.66F TC 6
CAHOKIA* MOCLDY 44 34 67 S9 29.65F TC 7
SPARTA* MOCLDY 41 34 77 S17G25 29.72F TC 5
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 42 37 82 S23G37 29.76F TC 6
CAIRO* MOCLDY 43 36 74 SW13G21 29.86F TC 6
EFFINGHAM* CLOUDY 39 34 82 S10G17 29.70F WCI 32 TC 4
MT. VERNON CLOUDY N/A N/A N/A S18G24 29.73F
CENTRALIA* CLOUDY 41 35 79 S17G26 29.70F TC 5
SALEM* CLOUDY 42 35 77 S15G26 29.69F TC 5
METROPOLIS* PTCLDY 43 32 65 S12G18 29.86S TC 6
$$
ILZ067-068-072-073-078-083-087-091-100300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 41 32 70 S10 29.76F TC 5
FLORA* CLOUDY 41 36 81 S18 29.73F TC 5
FAIRFIELD* CLOUDY 42 34 73 S12 29.76F TC 6
HARRISBURG* MOCLDY 44 32 63 SW18 29.79F TC 6
ROBINSON* CLOUDY 43 34 70 S15G25 29.73F TC 6
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$