WASHINGTON — A storm system brings our next threat of wintry weather Saturday with snow, sleet, freezing rain, and rain Saturday ahead of a dry and chilly Sunday.

A Winter Weather Advisory has been issued for areas NW of D.C. for Saturday morning and afternoon, where untreated roads could be slick.

RELATED: Sloppy weekend storm could bring wintry mischief to DC area

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QUICK FORECAST: 
Overnight: Increasing clouds, light snow/mix around dawn. Low: 26.
Saturday: Cloudy and cold with early AM snow to a mix of sleet and freezing rain, all rain south and east of D.C.. High: 36.
Saturday Night: Cloudy and Cold. Mix and rain ending. Low: 32.
Sunday: Mostly sunny to partly cloudy, breezy and cold. High: 43.

FORECAST DISCUSSION:
Clouds move in quickly overnight with lows in the teens to mid twenties. Snow will develop from west to east reaching the DC Metro around dawn. Snow and ice will accumulate quickly.

Saturday Winter Weather: Light snow breaks out around dawn Saturday and changes to a wintry mix by noon D.C., north and west, and to rain south and east into Southern Maryland for the afternoon. Temps will remain freezing or below through mid to late afternoon from DC, north and west. 

Saturday Morning - Period of light snow, lasting only 2-3 hours in any given spot
Saturday Afternoon - Wintry mix D.C. and points northwest. Cold rain S & E.
Saturday Evening - Wintry mix NW of the metro. Cold rain/showers for D.C., south and east.

RELATED: Timeline for snow, sleet and freezing rain in the DMV

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Impacts: While treated main roads will be just wet, untreated secondary roads will be slick most of the day north and west of DC. Please be careful walking. Driveways and sidewalks will be icy. Some Saturday activities may be canceled and some flights may be delayed.

Snow Amounts: Snow and sleet amounts look light, a coating to perhaps an inch, before becoming freezing rain to all rain.

Snow Potential
Snow Potential Saturday
WUSA

Ice Amounts: In the afternoon, light icing is possible NW of the D.C. area. The highest snow amounts will be in northern Maryland near Hagerstown and Frederick.

The mix and rain will taper off overnight Saturday and clear away on Sunday morning.

The second half of the weekend is blustery and chilly. Sunday will be partly cloudy and chilly with wind chills in the 30s. Snow showers will be ongoing in the mountains. A few snow showers are possible NW of the D.C. metro as well.


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DETAILED FORECAST:
Overnight: Increasing clouds, light snow/mix around dawn. Lows: 16 - 26 Winds: NE - 10.
Saturday: Cloudy and cold with early AM snow to a mix & rain south and east. Highs: 32 - 40. Winds: E to SE - 10.
Saturday Night: Cloudy and Cold. Mix & Rain ending. Lows: 30s. Winds: SW/W 10 - 15.
Sunday: Mostly sunny to partly cloudy, breezy and cold. Highs: 38 - 43. Winds: NW 10 - 20+.

Extended Forecast:
The coldest air of the season moves in for early next week. High temps Monday through Wednesday will only be in the 30s. Overnight lows will be very cold in the 10s in the burbs and low to mid 20s in the city.

RELATED: DC winter buffet: the difference between snow, sleet, and freezing rain

Coldest Air of the Season
WUSA
MLK Parade Forecast
WUSA

Monday (MLK Day): Mostly sunny and very cold. Highs: 32 - 36.
Tuesday: Sunny and very cold again. Highs: 30 - 35.
Wednesday: Partly cloudy and cold again. Highs: 35 - 40.
Thursday: Partly cloudy and chilly. Highs: 44 - 49.





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