Conditions

Rain Timeline Thursday Through The Weekend

Maryland Weather
rain timeline
Forecast

Wednesday Night Update

As we approach mid-April, the jet stream looks like late winter. A large upper-level Low will help a slow-moving storm settle over our region for a few days. Yes, there is snow in the conversation, but that will be limited to the high mountains to our west and up north in the Poconos and Catskills.

This is a brief look at the expected timeline across the Mid-Atlantic. With reference to Baltimore in the Mid-Atlantic, the rain on Thursday may hold most of the day just west and north. It will spread east at night and expand on Friday.

The duration of the rain will linger on Saturday, then taper off on Sunday. As a dad with a kid in sports, I expect the fields to remain soaked, and this could affect practice or game schedules this weekend, even if the rain ends early. We are in line to get between 1 and 2 inches of needed rain for most areas.

Let’s take a look:

Wednesday Night Surface Weather

Low Pressure in the Ohio Valley will be followed by an upper level low that will stall the colder air across the Southeast US over the next few days.

April 9 weather storm Wednesday night

 

Thursday Rain Forecast

8 AM to Midnight: National Blend Of Models

April 9 weather rain radar Thursday

Snapshots

8 AM

Rain near Baltimore and westward.

April 9 weather rain radar forecast Thursday morning

 

Noon

Rain near Baltimore and westward.

April 9 weather rain radar forecast Thursday noon

 

4 PM

Rain near Baltimore and westward.

April 9 weather rain radar forecast Thursday afternoon

 

Midnight

Rain spreads across Central Maryland and to Delmarva.

April 9 weather rain radar forecast Thursday night

Storm Animation

Thursday Night to Sunday Afternoon

The development of this slow-moving storm will produce a large field of steady rain and even mountain snow.

The Surface Low will pass off the coast on Sunday afternoon, hopefully taking the rain and chill with it.

April 9 weather rain storm forecast Thursday Weekend

Friday Outlook

Afternoon Surface Weather

April 9 weather storm Friday afternoon

 

Jet Stream

The core of the upper-level Low will pass to the Southeast US. This will lock in the Eastern US with a cool and damp weather pattern.

April 9 weather jet stream Friday afternoon

 

Snapshots

Friday Morning

April 9 rain storm Friday morning

 

Friday Afternoon

April 9 rain storm Friday afternoon

 

Friday Night

April 9 rain storm Friday night

 

Saturday Morning

April 9 rain storm Saturday morning

Saturday Afternoon

April 9 rain storm Saturday afternoon

Saturday Night

April 9 rain storm Saturday night

Sunday Afternoon

April 9 rain storm Sunday afternoon

Rainfall Total

ECMWF Model

This is the higher end, with pockets over 2 inches.

April 9 weather rain total forecast ECMWF

National Blend of Models

This has a lower overall total and still brings most of our region over 1 inch in total.

April 9 weather rain total forecast NBM

7 Day Forecast

  • Thursday Rain Showers
  • Friday and Saturday Heavier Rain
  • Sunday Improving
  • Monday/Tuesday Warmer

April 9 weather forecast 7 day Wednesday

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I am aware there are some spelling and grammar typos and occasional other glitches. I take responsibility for my mistakes and even the computer glitches I may miss. I have made a few public statements over the years, but if you are new here, you may have missed it: I have dyslexia and found out during my second year at Cornell University. It didn’t stop me from getting my meteorology degree and being the first to get the AMS CBM in the Baltimore/Washington region. One of my professors told me that I had made it that far without knowing and to not let it be a crutch going forward. That was Mark Wysocki, and he was absolutely correct! I do miss my mistakes in my own proofreading. The autocorrect spell check on my computer sometimes does an injustice to make it worse. I also can make mistakes in forecasting. No one is perfect at predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky.  There has been no editor who can check my work while writing and to have it ready to send out in a newsworthy timeline. Barbara Werner is a member of the web team that helps me maintain this site. She has taken it upon herself to edit typos when she is available. That could be AFTER you read this. I accept this and perhaps proves what you read is really from me… It’s part of my charm. #FITF