Active Weather Alerts
Dense Fog Advisory
Issued: 11:47 AM Apr. 30, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...For the Dense Fog Advisory, visibility less than one mile in dense fog. For the Frost Advisory, temperatures as low as 34 will result in frost formation. * WHERE...Jefferson, Washington, and Waukesha Counties. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Frost Advisory, until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
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