Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

22°F

-6°C

Humidity	55%
Wind Speed	NW 8 mph
Barometer	30.11 in (1022.1 mb)
Dewpoint	8°F (-13°C)
Visibility	10.00 mi
Wind Chill	13°F (-11°C)
Last update	27 Jan 8:56 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Ashton MD

Cold Weather Advisory until January 28, 11:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until January 28, 11:00am
NOW until 11:00am Wed
Cold Weather Advisory
Tonight
Low: 7 °F
Partly Cloudy
Wednesday
High: 20 °F
Increasing
Clouds
Wednesday Night
Low: 3 °F
Decreasing
Clouds
Thursday
High: 21 °F
Sunny
Thursday Night
Low: 4 °F
Partly Cloudy
Friday
High: 19 °F
Mostly Sunny
Friday Night
Low: 4 °F
Mostly Cloudy
Saturday
High: 17 °F
Partly Sunny
then Chance
Snow

Detailed Forecast

Tonight

Partly cloudy, with a low around 7. Wind chill values as low as -2. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

Wednesday

Increasing clouds, with a high near 20. Wind chill values as low as -5. West wind 6 to 10 mph.

Wednesday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -6. Calm wind becoming northwest around 6 mph after midnight.

Thursday

Sunny, with a high near 21. Wind chill values as low as -8. West wind 6 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Partly cloudy, with a low around 4. Northwest wind around 6 mph.

Friday

Mostly sunny, with a high near 19.

Friday Night

Mostly cloudy, with a low around 4.

Saturday

A chance of snow after 1pm. Partly sunny, with a high near 17. Chance of precipitation is 30%.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.