FORECAST IN DETAIL
Today’s temporary taste of winter fades tomorrow and is gone by Thursday, at which point we might be in record-warm territory. A cold front sweeps through Friday with attendant rains before a more seasonable holiday weekend until another warm-up by Presidents’ Day.
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Today (Tuesday): A sunny, cold morning greets us as temperatures lift from their sub-freezing lows into the 30s. Clouds encroach by afternoon, and temperatures may struggle to get much beyond 40. Light winds blow from the northeast most of the day. Confidence: Medium-High
Tonight: Clouds continue, with lows dipping toward dawn to the upper 20s in the outer suburbs to the middle 30s in the city. Light winds switch around to come from the east and south. Confidence: Medium-High
Tomorrow (Valentine’s Day Wednesday): Partly to mostly cloudy skies try to shift toward at least partly sunny by the afternoon, with warmer highs in the upper 40s to middle 50s range. Showers are possible around late afternoon into the evening hours, so grab an umbrella on the way out to Valentine’s dinner. Light winds again mainly from the south. Confidence: Medium
Tomorrow night: Scattered, mainly light showers shouldn’t be too much of a problem. Skies run mostly cloudy and lows range through the 40s. Confidence: Medium
A LOOK AHEAD
Thursday is our warmest day of the week — easily — as temperatures should soar into an upper 60s to middle 70s range, and we could even threaten some records (Dulles record is only 68, but Washington’s is 77). Scattered showers and dominant cloud cover keep this a gray day with breezes blowing from the southwest. Cloudy skies and scattered showers continue Thursday night with lows only in the warm 50s. Confidence: Medium
Friday brings a big cold front into the area. Look for more showers and even some heavier periods of rain at times with highs into the 60s by midday, but then dropping through the afternoon into the 50s and then 40s by evening. We could see some changeover to frozen precipitation later Friday evening or even lingering a bit overnight — but confidence is low on that issue. Otherwise, temperatures drop into the 20s and 30s overnight Friday night as skies gradually clear but winds stay breezy. Confidence: Low-Medium
The holiday weekend feels more like February at first with a mixed weather Saturday (some clouds with rain/snow shower chances) and then more to the sunny side on Sunday as temperatures mainly reach the 40s to maybe around 50 by Sunday. Lows Saturday night should be in the 20s to around 30 under just a few clouds. Sunday night turns cloudy with lows in the 30s. Showers return on Presidents’ Day Monday as temperatures start to head back up higher into the 50s again. Confidence: Medium
SNOW POTENTIAL INDEX
A daily assessment of the potential for at least 1 inch of snow in the next week, on a 0-10 scale.
1/10 (→): Small chance of a snowier changeover Friday night or into Saturday behind the cold front, but the odds are low.