Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

85°F

29°C

Humidity	37%
Wind Speed	W 7 mph
Barometer	30.04 in (1018.0 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	1 Apr 3:56 pm EDT

More Information:

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

Extended Forecast for

Dayton MD

This Afternoon
High: 83 °F
Showers
Tonight
Low: 59 °F
Showers then
Scattered
Showers and
Patchy Fog
Thursday
High: 69 °F
Patchy Fog
then Mostly
Cloudy
Thursday Night
Low: 50 °F
Chance
Showers then
Mostly Cloudy
Friday
High: 80 °F
Mostly Sunny
Friday Night
Low: 63 °F
Slight Chance
Showers
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 60 °F
Partly Cloudy
then Chance
Showers
Sunday
High: 70 °F
Showers

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. High near 83. West wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 11pm, then scattered showers and thunderstorms between 11pm and 2am, then isolated showers after 2am. Patchy fog after 5am. Low around 59. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 69. East wind 5 to 9 mph.

Thursday Night

A chance of showers, mainly between 7pm and 8pm. Mostly cloudy, with a low around 50. East wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 80. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

Friday Night

A slight chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 82.

Saturday Night

A chance of showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

Sunday

Showers, mainly after 8am. High near 70. Chance of precipitation is 80%.

Sunday Night

Mostly cloudy, with a low around 39.