New Hampshire Weather Alert Today: 19°F Freeze and Snow Risk Now in Manchester, NH Through Wednesday, February 18

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New Hampshire wakes up in a deep February freeze as temperatures drop to 19 degrees before sunrise in Manchester. Side streets crunch under leftover snow, and untreated bridges along I-93 and Route 101 feel slick in spots. Calm winds keep visibility clear, but the cold alone poses a hazard for early commuters.

The National Weather Service reports a slight chance of lingering snow early today, with lows near 16 degrees overnight. Any moisture on pavement can refreeze quickly at these levels. Skies remain mostly cloudy, and highs reach the upper 30s this afternoon. That modest rebound helps main roads improve by midday.

Clouds thicken again Tuesday, and temperatures climb toward 40 degrees. A few snow showers may develop, though accumulations look light during daylight hours. The bigger concern arrives Wednesday, February 18. Rain becomes likely after midday as highs approach 39 degrees. By late afternoon, colder air filters in and mixes rain with snow. Precipitation chances rise to 70 percent, increasing to 80 percent Wednesday night as rain changes to all snow. Even a light coating could create slick travel for the Thursday morning commute.

Thursday turns partly sunny but colder, with highs near 38 degrees and lows dipping back into the teens.

Looking ahead into President’s Day Week, temperatures gradually moderate. Highs trend into the mid to upper 30s and could approach 40 degrees by the weekend. The 6–10 day outlook favors a slow warming trend across southern New Hampshire, offering a late-February thaw after this midweek snow threat.