April 4 On The Edge Of The Large Storm Through The Weekend

April 4 2025

Friday Morning Report

The projected storm risk yesterday was a dud, but it made itself known overnight. Heavy rain and loud thunder blew through early this morning! More showers are possible as more impulses try to push along this long frontal boundary.

The model guidance for today is not in full agreement. I would plan for showers and not be surprised if we get a few dry hours. A better chance we get more rain later and tonight… Saturday may start damp, with a dry afternoon.

We will be on the cooler side today, so instead of 80F, we will be stuck in the 60s… and remain on the chilly side into tomorrow.

The final push of this large storm will be on Sunday. In between, we may watch the rain skirt around us later Saturday, and then heavy rain and thunderstorms return Sunday. By Monday morning it will move to the coast and then bring us a few chilly days next week.

Morning Radar Recap

5 AM to 6:10 AM

Live Radar Widget

TODAY’S WEATHER

Surface Weather

A long frontal boundary extends into the Mid-Atlantic. We got in on the thunderstorms this morning and will remain on the edge of this system all weekend.

The cooler air will drop south for us today and tomorrow.

Heavy rain and flooding will continue across the Deep South… sending more rain back our way later in the weekend.

Forecast Friday to Monday

On the edge of the storm with cold air to the north and warm air to the south.

The rain will pass North on Saturday afternoon.

The main rain will move in later Sunday and Sunday night, passing off the coast on Monday.

CLIMATE DATA: Baltimore

TODAY April 4

Sunrise at 6:46 AM

Sunset at 7:34 PM

Normal Low in Baltimore:  39ºF

Record 20ºF in 1965

Normal High in Baltimore: 62ºF

Record 86ºF 2011

Drought Reminder

Rainfall Deficit at BWI

• Ending 2024 =  -8.00”
• Since Jan 1 =  -3.21”
• We are DOWN -11.21” including last year

FRIDAY WEATHER

More Showers Or Not?

The European ECMWF Model has the band of rain remaining nearby with more impulses through mid afternoon.

Radar Simulation 8 AM to 10 PM

This High Resolution Rapid Refresh Model product is NOT PERFECT (as we saw yesterday).

Here is the suggestion that shows the focus of rain will be less intense and farther south during the day, but will return with more showers this evening.

I would plan for showers and not be surprised if we get a few dry hours.

Afternoon Wind Forecast

A light wind FROM the North will get us into that cooler air mass.

Afternoon Temperatures

Saturday

Morning Temperatures

Morning Weather

Early rain showers, drizzle, and fog.

Afternoon Temperatures

A sharp contrast of winter air to our north and summer heat to our south! We will be in the middle but should be dry.

Afternoon Weather

The bulk of rain should shift to our north, and while we will remain cool, the clouds will linger.

Sunday Suggested Weather Plot

The active front will bring steady rain and thunderstorms from the mountains to the cities and east coast later Sunday and Sunday night.

7 Day Forecast

On the edge of the storm and warm air into the weekend.

The main rain will be Sunday night to Monday morning.

Colder Next Week.

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