Arrowhead Lake, IL Weather Maps °F °C°F °C Illinois Map Options Temperatures Weather Dew Point Wind Speeds Barometric Pressure Heat Index Wind Chill Temperatures Weather Dew Point Wind Speeds Barometric Pressure Heat Index Wind Chill Humidity UTC Time: 9/9/2026, 21:51 Your Time: Arrowhead Lake, Illinois Hour by Hour Forcast Aeronautical Observation: Automated synoptic observations via NWS Gateway. Auto-refresh in: 5:02 Arrowhead Lake, IL Regional Weather Expires:202609092200;;653565 ASUS43 KLOT 092112 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 400 PM CDT WED SEP 09 2026 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. ILZ028>032-037-038-041>044-048-051>054-059>061-092200- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC PTSUNNY 78 69 75 W6 30.04S HX 80 TC 26 BLOOMINGTON MOSUNNY 77 68 73 W9 30.07R TC 25 DECATUR MOSUNNY 85 67 54 NW9 30.04R HX 87 TC 29 PEORIA MOSUNNY 76 68 76 W6 30.04F TC 24 LACON* MOSUNNY 77 67 71 W6 30.03S TC 25 LINCOLN* LGT RAIN 78 66 67 W5 30.06S HX 80 TC 26 SPRINGFIELD MOSUNNY 77 68 73 N12 30.04R TC 25 TAYLORVILLE NOT AVBL $$ SKY/WX - Weather TMP - Temperature DP - Dew Point RH - HumidityWIND - Wind Direction/Speed PRES - Barometric Pressure VSB - VisibilityWCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph Illinois Weather Map Illinois Wind Speeds Map Illinois Humidity Map Illinois Barometric Pressure Map
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