Today (Wednesday): There is another cold spell this morning as we start from 20 to 30 drop points. Plenty of sunshine does what it can, with light winds lifting afternoon highs into the low to mid 40s. Confidence: High
Tonight: Clouds increase this evening, then mostly cloudy overnight as low pressure builds to our south. Light rain or a wintry mix could bring it to our southern and western suburbs by 4am. Overnight lows are in the upper 20s to mid 30s. Reliability: Medium-High
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Tomorrow (Thursday): A brief period of wintry mix is possible, mostly north and west of DC, by 9 a.m., but any significant icy concerns should be limited north of Frederick and west of Leesburg. It’s turning into a rainy day for the metro area, with rain increasing in coverage in the morning and becoming heavier at times in the afternoon and evening. Afternoon temperatures should climb into the 40s as winds become breezy from the southeast in the late afternoon into the evening. Reliability: Medium
Tomorrow evening: Rain will move from west to east in the evening, but skies will remain cloudy overnight. Temperatures range from the mid 40s to low 50s thanks to a relatively mild breeze from the south. Reliability: Medium
Heavy showers come early friday, from about 6 a.m. to noon, the snow will end as a shower. A light cover on turf, especially north and west of DC, cannot be ruled out. The main story is blistering temperatures and strong winds. Most of us start the day in the 40s, but we start around 20-30 around lunchtime, and in the teens around 20 with clearing skies in the afternoon or evening. Winds out of the west, generally in the 30-40 mph range with a few gusts to around 50 mph, should dry things out fairly well. But any wet spots (what we call “flash frost”) that remain from the afternoon into the evening will surely freeze. Reliability: Medium
Friday night winds continue to gust near or past 30 mph with mostly clear skies. Overnight lows drop to the upper single digits, mid-highs, with wind chills in the single digits and as low as minus-5. Reliability: Medium-High
Christmas weekend partly sunny and partly cold. Both days start in the low single digits in the morning, before reaching highs in the late afternoon in the 20s and 30s. Winds from the west around 20 to 30 mph on Saturday keep the wind chill in the single digits and in the teens all day. long Sunday isn’t quite as windy, but there will still be enough breeze to keep the wind chill in the low 20s. Confidence: Medium-High
High temperatures should return to the 30s and 40s on Monday and Tuesday.
Daily estimate of the potential for at least 1 inch of snow over the next week on a scale of 0-10.
1/10 (→): As an Arctic front blasts the area early Friday, the rain showers could turn to snow before the end. We usually don’t see accumulation in these situations, but we can’t rule out a light cover of grass, especially north and west of DC.
