Wednesday March 17 2021

Happy St. Patrick’s Day! You may encounter some damp weather this morning with drizzle and patchy fog. That is thanks to an east wind in place.  A lot more rain is on the way Thursday as we track a larger storm that will bring severe storm outbreaks over the next two days.

Do you remember the Red Flag Warnings lat weekend, with wild fire danger?  Well, we need this rain and between 1 and 2 inches are expected! We may get in on the thunderstorms Thursday, especially in southern Maryland and perhaps Delaware. Then, a band of slushy snow will arrive with end this event on Friday morning. 


Severe Storm Risk Today

Mississippi will be ground zero for long track supercell storms and a High Risk for tornadoes.

March 17 weather severe storm risk Wednesday


Thursday: Severe Storm Potential

The worst weather is expected from Georgia to North Carolina. Tornadoes and large hail possible. The northern edge of thunderstorms will reach into Maryland and maybe Delaware.

March 17 weather severe storm risk Thursday



Forecast Snapshot: Central Maryland

March 17 weather forecast central Maryland


Morning Temperatures 

March 17 weather temperatures Wednesday morning


Afternoon Temperature Forecast 

  • Normal High in Baltimore: 54ºF
  • Record High in Baltimore: 84ºF in  1945

March 17 weather Temperatures Friday afternoon


Explore More:

March Gains and Losses: Sun, Temps, Time, and Moon Phases This month.



Storm Forecast Animation

GFS Model 

Heavy rain is expected Thursday as Low Pressure passes through. This will end with a band of snow on Friday morning. 

March 17 weather storm rain snow


Severe Storm Potential Thursday

March 17 weather Thursday Thunderstorms


Friday Morning Snow

For places that get the snow to fall before sunrise, there may be a coating of slushy snow on the grass. Most roads should remain wet, but we will watch the higher elevations closely.

Snow showers are expected to reach farther south after sunrise.

March 17 weather Friday snow



Temperature Outlook

This may be winter’s last gasp.  The warmer air returns next week and appears to have staying power.


March 17 weather temperature outlook




14 Local Maryland Pages (and York PA)

We have made a page for Maryland Weather which gives you the current conditions for 14 present area locations.

Local Hourly Forecasts and Local Radar
Central Maryland



Bel Air

Carroll County/Westminster




Ocean City

Dover DE

Southern Maryland

Patuxent River 

Washington DC





National Weather Service Adds Maryland Cecil And Garrett Counties




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