New Hampshire Weather Alert Now: Mild Air Today, Then Snow and Freeze Risk Jan 17–18 in Manchester

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New Hampshire – Low clouds hang over city streets as damp pavement reflects headlights and sidewalks feel slick to the touch. The mild air won’t last. Winter starts nudging back into southern New Hampshire as timing-sensitive changes unfold through the weekend.

According to the National Weather Service, Manchester sees a slight chance of rain today, mixing with snow by late afternoon. Patchy fog limits visibility at times, especially on local roads and along I-293 and Route 101. Temperatures climb into the mid-40s before colder air slides in this evening.

Tonight turns sharply colder as skies cloud over and temperatures drop into the teens. Any leftover moisture can freeze quickly, creating isolated slick spots by early morning. Friday improves with sunshine and highs near 30, though gusty winds keep it feeling colder than the numbers suggest.

Attention shifts to Saturday as clouds thicken and precipitation returns. Snow may develop early, then mix with rain during the afternoon as temperatures reach the upper 30s. Accumulations look limited, but slushy travel is possible during peak hours. Conditions remain unsettled into Saturday night.

By Sunday, colder air regains control. Highs settle in the upper 30s with mostly cloudy skies and lingering damp ground. After sunset, temperatures slide into the low 20s, raising the risk for black ice on untreated roads, bridges, and parking lots.

Drivers should slow down during changing conditions and plan extra time Saturday afternoon. Pedestrians should watch shaded sidewalks where ice forms first. More updates may follow as details sharpen. Are you seeing fog or slick spots where you live?

Five-Day Outlook for Manchester, New Hampshire

Today: Chance of rain then snow, patchy fog, high near 46°F
Friday: Sunny and windy, high near 30°F
Saturday: Chance of rain and snow, high near 38°F
Sunday: Mostly cloudy, colder, high near 37°F
Monday: Mostly sunny, winter chill, high near 32°F