D.C. area forecast: Snow shower risk today, tomorrow, and the next day

Today’s Daily Digit

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

5
A chance of snow is better than no chance of snow if you’re a snow lover. But don’t expect much today.

Express Forecast

Today: Snow showers likely (may be mixed with rain), then cloudy. Highs: Near 30 to mid-30s.

Tonight: Cloudy. Snow showers? Low 20s to upper 20s.

Tomorrow: Mostly cloudy, chance of snow or rain showers. Highs: Near 40.

FORECAST IN DETAIL


Radar & lightning: Latest regional radar shows movement of precipitation and lightning strikes over past two hours. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Less than three weeks off an average high of 50 and an average low above freezing for D.C., we’re still well entrenched in winter and winter weather threats.  The latter is especially common this time of year despite the noticeably warming averages.  However, nothing in the short term looks terribly impressive, and looking past a few days in this pattern is extra tricky. No major bumps in the road are on the way in the short term at least, but winter isn’t in a hurry to start giving in.

Today (Saturday): Clouds dominate the day, and snow showers or a period of light snow (60% chance) should move through during the morning and into the early afternoon. Overall trends on this one have been down when it comes to total precipitation, so I would not anticipate much in the way of accumulation, though anyone who gets into a sustained period of snow may pick up some measurable stuff. Most spots just a coating or no accumulation, and generally focused on grassy or elevated locations. Some chance rain mixes in, but temperatures should remain cold enough for mainly snow. After the precipitation threat wanes, highs reach near 30 in the colder spots, to the mid-30s in the warm. Winds are light from the northeast. Confidence: Medium-High

Tonight: Clouds persist through the night, and there could be some additional snow showers (30% chance), mainly north of the area. Readings head for the low 20s in the colder suburbs, while upper 20s are more likely downtown. Winds are light. Confidence: Medium-High

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend…

Tomorrow (Sunday): The wave train continues on Sunday, and there’s some question as to what the ultimate potential here is, but there’s at least a growing chance of snow and rain showers by afternoon. This is probably not a big deal in the end due to temperatures being a little too mild. Afternoon readings rise toward 40, perhaps a little higher or lower depending on how the system behaves. Confidence: Medium

Tomorrow night: A risk of snow showers or even a period of light snow may develop overnight, but this is quite uncertain for such a short range since it’s the third in a string of mid-level waves to contend with in less than three days. High end potential here is like an inch or so — nothing crazy, and “nothing of note” is probably more likely. Lows make the mid-to-upper 20s. Confidence: Low-Medium

A LOOK AHEAD

Snow Potential Index

A daily assessment of the potential for at least ~1″ of snow in the next week, on a 0-10 scale.

5 (→) Plenty of chances to see snowflakes in coming days, but not a lot of upside risk. And midweek? Maybe…

If the overnight system materializes, snow showers may linger into early Monday, but the main story is clouds trying to break toward some sunnier skies. Feel the sun angle? High temperatures reach the mid-30s to near 40. Confidence: Medium

Tuesday should bring plenty of sun, but probably also some good old fashioned temperatures like we used to see — in January. Ok, not that bad, but we may struggle to make freezing in a lot of spots. And honestly, at this time of year, if it’s not going to snow… I’ll pass. Confidence: Medium

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.
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