046
ASUS43 KLOT 271610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT MON APR 27 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.
ILZ001-002-007-009-015-016-024-271700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 60 59 96 E35G45 29.52F FOG TC 16
STERLING* TSTM 57 57 100 VRB3 29.79R FOG TC 14
SAVANNA* TSTM 57 55 93 S14 29.74R TC 14
ILZ003-004-008-010-011-017-018-271700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 58 52 80 SE8 29.76S TC 14
FREEPORT* CLOUDY 57 56 95 S16 29.77R TC 14
ROCHELLE* LGT RAIN 58 51 77 SE16 29.77R TC 15
DE KALB* PTSUNNY 57 53 85 SE16G24 29.73F TC 14
PERU* HVY RAIN 59 55 88 S10 29.80R TC 15
ILZ005-006-012>014-019>023-271700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 57 53 86 SE13 29.79F TC 14
CHICAGO-MIDWAY LGT RAIN 58 53 84 SE10 29.81F TC 14
AURORA MOSUNNY 59 53 80 SE16 29.73F TC 15
JOLIET* LGT RAIN 60 56 86 SE12 29.77F TC 16
WAUKEGAN LGT RAIN 50 48 93 SE14 29.81F FOG TC 10
DUPAGE AIRPORT PTSUNNY 59 53 80 SE14G23 29.76F TC 15
KANKAKEE* TSTM 58 55 89 SE13 29.82F TC 15
WHEELING CLOUDY 57 54 89 SE9 29.81F TC 14
MORRIS* LGT RAIN 61 52 73 SE17G23 29.73F TC 16
ROMEOVILLE* CLOUDY 59 55 88 SE20G28 29.80S TC 15
LANSING* CLOUDY 60 50 71 SE12G18 29.84R TC 15
NORTHERLY ISL* N/A 53 50 89 E8 N/A TC 12
LMZ740>746-271700-
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)
WINTHROP HARBOR 47 1013.9 3/ 4
WAUKEGAN HARBOR 47 47 120/ 8/ 10 1010.8 2/ 4
HARRISON CRIB 54 140/ 12/ 13 N/A
NORTHERLY ISL 54 80/ 6/ 8 N/A
CALUMET HARBOR 60 140/ 6/ 8 1009.6F
BURNS HARBOR 62 150/ 9/ 12 1010.8F
MICHIGAN CITY 62 120/ 12/ 17 1009.3F
ST. JOSEPH BUOY 58 120/ 16/ 19 1011.9F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-271700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 60 58 92 SE20G31 29.54F TC 16
GALESBURG* LGT RAIN 60 60 100 E20G28 29.53F TC 15
MACOMB* LGT RAIN 59 59 100 SE33 29.52F TC 15
JACKSONVILLE* CLOUDY N/A N/A N/A SE5 29.71S THUNDER
PITTSFIELD* CLOUDY 58 58 99 CALM 29.68F THUNDER TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-271700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 59 55 89 MISG 29.72F TC 15
BLOOMINGTON HVY RAIN 57 57 100 SW15 29.80R TC 14
DECATUR TSTM 64 61 90 S30G41 29.70F FOG TC 18
PEORIA TSTM 59 59 100 NW3 29.77 FOG TC 15
LACON* TSTM 58 55 90 W5 29.79R TC 15
LINCOLN* TSTM 63 63 100 S10G28 29.76R TC 17
SPRINGFIELD CLOUDY 60 58 92 SW6 29.75 THUNDER FOG
TAYLORVILLE CLOUDY 61 57 88 W10G32 29.83R THUNDER TC 16
ILZ033-039-045-046-055>057-062-063-271700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN RAIN 59 56 89 SE21 29.76F FOG TC 15
DANVILLE* CLOUDY 61 55 81 SE10 29.83F TC 16
RANTOUL* CLOUDY 58 56 92 SE10 29.79F TC 14
MATTOON TSTM 61 59 93 SE24G43 29.76F VSB 1/2 TC 16
PARIS* DRIZZLE 61 56 84 SE17 29.83F TC 16
ILZ079-100>102-271700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 68 63 83 N14 29.77R TC 20
BELLEVILLE CLOUDY 70 67 90 S12 29.71R TC 21
CAHOKIA* LGT RAIN 68 64 87 S7 29.73R TC 20
SPARTA* CLOUDY 71 68 91 S16G22 29.75F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 71 66 84 S14 29.79R TC 22
CAIRO* PTSUNNY 77 69 76 S16 29.83S TC 25
EFFINGHAM* HVY RAIN 63 63 100 SE13G22 29.79F TC 17
MARION CLOUDY 64 63 94 SE14 29.80F TC 18
CENTRALIA* CLOUDY 68 64 85 SE18G28 29.75F TC 20
SALEM* PTSUNNY 66 63 89 SE16G22 29.75F TC 19
METROPOLIS* CLOUDY 74 66 75 S12G18 29.85R TC 24
ILZ067-068-072-073-078-083-087-091-271700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 66 59 78 S18G29 29.85S TC 19
FLORA* LGT RAIN 63 63 100 S25G33 29.81F TC 17
FAIRFIELD* TSTM 61 59 93 SE14G32 29.81F TC 16
HARRISBURG* RAIN 63 63 99 SE13 29.83F TC 17
ROBINSON* RAIN 66 61 82 S12 29.85R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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