Regional Weather Roundup
Issued by NWS
Issued by NWS
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743
ASUS43 KLOT 092306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-100000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 38 31 76 VRB3 29.53F TC 3
STERLING* CLOUDY 36 32 85 VRB3 29.57F TC 2
$$
ILZ003-004-008-010-011-017-018-100000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 33 30 88 E5 29.58F WCI 29 TC 1
FREEPORT* CLOUDY 33 31 92 SE10 29.55F WCI 25 TC 1
DE KALB* CLOUDY 32 31 95 S5 29.61F WCI 28 TC 0
PERU* CLOUDY 36 32 86 S13 29.61F WCI 27 TC 2
$$
ILZ005-006-012>014-019>023-100000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 35 30 82 S9 29.62F WCI 28 TC 2
CHICAGO-MIDWAY LGT RAIN 36 30 79 S10G23 29.64F WCI 28 TC 2
AURORA CLOUDY 34 31 88 S9 29.62S WCI 27 TC 1
JOLIET* CLOUDY 37 33 84 S8 29.65F WCI 31 TC 3
WAUKEGAN CLOUDY 33 28 81 SW7 29.60F WCI 27 TC 1
DUPAGE AIRPORT CLOUDY 34 31 88 S10 29.62F WCI 26 TC 1
WHEELING LGT RAIN 34 31 88 S6 29.63F WCI 29 TC 1
MORRIS* CLOUDY 35 32 88 S8 29.63F WCI 29 TC 2
ROMEOVILLE* CLOUDY 36 34 93 S9 29.65F WCI 29 TC 2
LANSING* LGT RAIN 34 28 76 S12 29.67S WCI 26 TC 1
NORTHERLY ISL* N/A 36 29 76 S9 N/A WCI 29 TC 2
$$
LMZ740>746-100000-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 36 200/ 15/ 16 N/A
NORTHERLY ISL 36 170/ 8/ 12 N/A
CALUMET HARBOR 36 200/ 7/ 12 1004.0
BURNS HARBOR 36 210/ 6/ 9 1005.4S
MICHIGAN CITY 36 200/ 11/ 13 1004.8F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-100000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 44 33 65 S12 29.57F TC 7
GALESBURG* CLOUDY 37 35 93 S9 29.57F WCI 30 TC 3
MACOMB* CLOUDY 37 32 82 SE7 29.59F WCI 32 TC 3
JACKSONVILLE* CLOUDY 43 32 65 S13 29.62F TC 6
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-100000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 36 31 85 S6 29.66F WCI 31 TC 2
BLOOMINGTON CLOUDY 36 33 89 S14 29.65F WCI 27 TC 2
DECATUR CLOUDY 39 33 79 S16G24 29.68S WCI 30 TC 4
PEORIA CLOUDY 37 32 82 S10 29.62F WCI 30 TC 3
LINCOLN* CLOUDY 40 31 71 S12 29.66S TC 4
SPRINGFIELD CLOUDY 40 33 76 S15 29.64F TC 4
TAYLORVILLE CLOUDY 39 33 81 S13G20 29.69R WCI 31 TC 4
$$
ILZ033-039-045-046-055>057-062-063-100000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 37 33 85 S16 29.67F WCI 28 TC 3
RANTOUL* CLOUDY 37 32 84 SE8 29.68F WCI 30 TC 3
MATTOON CLOUDY 41 33 73 S13G22 29.70F TC 5
PARIS* CLOUDY 40 32 73 S16 29.72S TC 4
$$
ILZ079-100>102-100000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 48 34 57 S16 29.70F TC 9
BELLEVILLE CLOUDY 45 35 67 S16 29.72S TC 7
CAHOKIA* CLOUDY 49 34 56 S10 29.70 TC 9
SPARTA* MOCLDY 41 34 75 S14G22 29.78F TC 5
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 39 34 82 S17G26 29.82F WCI 30 TC 4
CAIRO* PTCLDY 44 37 75 SW7 29.91S TC 7
EFFINGHAM* CLOUDY 41 33 72 S13G22 29.75F TC 5
MARION MOCLDY 39 34 81 S22G29 29.82F WCI 29 TC 4
MT. VERNON MOCLDY N/A N/A N/A S16 29.80S
CENTRALIA* MOCLDY 39 32 77 S16G25 29.77S WCI 30 TC 4
SALEM* MOCLDY 40 33 75 S14G22 29.76S TC 5
METROPOLIS* MOCLDY 43 33 66 CALM 29.90F TC 6
$$
ILZ067-068-072-073-078-083-087-091-100000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 42 32 67 S15 29.79F TC 6
FLORA* MOCLDY 39 32 75 S17G24 29.78S WCI 30 TC 4
FAIRFIELD* MOCLDY 39 32 76 S13 29.81R WCI 32 TC 4
HARRISBURG* MOCLDY 40 32 71 S12G17 29.84F TC 5
ROBINSON* MOCLDY 43 34 70 S17G24 29.76F TC 6
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$