Flash flooding likely in northeast Kansas & Missouri into tonight. Widespread extreme heat will develop and persist across much of the Southeast this weekend & next week. Tropical Storm Krosa has formed and will continue to cause heavy rain across Guam & the CNMI through Saturday. Severe storms with flooding rains expected into tonight for portions of the Midwest. Read More >
![]() KXI41 Crystal Lake, 162.500 MHz NOAA All Hazards Weather Radio station KXI41 serves portions of the north and northwest suburbs, which includes Lake County and surrounding areas, from a 300 Watt transmitter in Crystal Lake, Illinois. The nominal effective range of the transmitter is about 40 miles. Continuous 24 hour programming is provided from the National Weather Service Chicago Forecast Office, located southwest of Chicago in Romeoville Illinois. A map of the listening area is shown below, with Specific Area Message Encoder codes shown for each county. Severe weather watches and warnings are tone-alerted for all counties shaded in blue. Tone alarm tests for the Crystal Lake radio occur each WEDNESDAY at approximately 11 AM.
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