Weather Alerts For Rock Valley, IA

URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 245 PM CST Mon Dec 8 2025 Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- Brookings-Lake-Moody-Minnehaha- Including the cities of Hendricks, Mountain Lake, Orange City, Madison, Sheldon, Flandreau, Hull, Fulda, Battle Creek, Brookings, Lakefield, Tyler, Hartley, Sibley, George, Arnolds Park, Spencer, Storm Lake, Sioux Falls, Holstein, Slayton, Lake Benton, Cherokee, Sanborn, Worthington, Ivanhoe, Ida Grove, Luverne, Hawarden, Jackson, Spirit Lake, Rock Valley, Orland, Larchwood, Milford, Windom, Pipestone, Sioux Center, Le Mars, Rock Rapids, and Inwood 245 PM CST Mon Dec 8 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Visibility less than one mile in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 10 PM CST this evening. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&

URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 245 PM CST Mon Dec 8 2025 Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Murray-Cottonwood-Nobles-Jackson-Rock-Dixon- Dakota-Lincoln-Clay-Union- Including the cities of Mountain Lake, Ponca, Orange City, Beresford, North Sioux City, Sheldon, Harrisburg, Hull, Fulda, Wakefield, Battle Creek, Lakefield, Lennox, Hartley, Sibley, George, Alcester, Arnolds Park, Spencer, Allen, Storm Lake, Jefferson, Holstein, Slayton, Cherokee, Sanborn, South Sioux City, Worthington, Ida Grove, Luverne, Hawarden, Sioux City, Jackson, Spirit Lake, Rock Valley, Larchwood, Milford, Canton, Elk Point, Windom, Tea, Sioux Center, Le Mars, Rock Rapids, Vermillion, and Inwood 245 PM CST Mon Dec 8 2025 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING... * WHAT...Blizzard conditions possible. Total snow accumulations up to one inch possible. Winds could gust as high as 55 mph. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and southeast South Dakota. * WHEN...From Tuesday evening through Wednesday morning. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. &&