Iowa Weather Alert: Snow Squalls, Jan 17–18 Cold Snap Build in Des Moines

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Iowa – A gray sky presses low over central Iowa as wind sweeps across open fields, lifting loose snow into brief white streaks. The air feels sharp now, and conditions are lining up for a more impactful winter turn as the weekend approaches.

The National Weather Service in Des Moines says light snow develops this afternoon into the evening, mainly across eastern and central Iowa. Accumulations remain minor, but winds gusting 20 to 30 mph could lower visibility quickly. Slick spots may develop on untreated roads as temperatures stay below freezing.

Friday brings a higher-impact setup. Snow showers or brief snow squalls are possible, especially during the day. Gusty northwest winds may reach 35 to 40 mph, creating sudden visibility drops and localized travel trouble. Roads like I-35, I-80, and Highway 65 could see quick changes, even where snow totals stay light.

Colder air surges in behind the snow. Saturday and Sunday mornings turn sharply colder, with lows dropping into the single digits. Wind chills fall below zero at times, making exposed skin sting fast. Any melting during daylight hours may refreeze after sunset, increasing the risk for black ice.

Drivers should prepare for rapidly changing conditions Friday. Slow down during snow bursts, watch for drifting snow, and allow extra braking distance. Residents should dress in layers, protect pets and pipes, and limit time outdoors during the coldest stretches.

Looking ahead, winter holds firm into early next week. Temperatures remain well below average, with wind chills lingering between 10 and 20 degrees below zero at times.

Five-Day Weather Outlook for Des Moines, Iowa

Friday: Snow showers and wind, high near 34
Saturday: Blustery and colder, high near 15
Sunday: Partly sunny, cold, high near 29
Monday: Sunny but cold, high near 17
Tuesday: Mostly sunny, gradual moderation, high near 29