Winter Weather Advisory Friday For Maryland And Virginia And Final Snow Maps
Thursday December 4 Evening Update Stop me if you head this before: A little bit of snow can be a big problem, especially when the thing is for a commute…
December 5 Light Snow This Morning And Cold Enough To Stick: Winter Weather Advisory Baltimore And South
snow forecast
Maryland Weather
climate data
Winter Weather
Forecast
Warnings
Friday December 5 2025
Morning Report
Light snow was first reported at BWI in Baltimore before 5 AM. This is the northern edge of the expectation for any possible impact and Anne Arundel County did issue a 2 hour school delay.
We have been splitting hairs for the Northern EDGE of the snow and the Doppler Radar has not helped. Often in the winter there is Virga, showing snow falling into a dry layer of air and not hitting the ground. The flakes sublimate!
The air should saturate gradually. So while I did suggest this would begin by sunrise, and it has… There are a few more hours where we may see more to reach the ground across Central Maryland.
If you are traveling, more snow is still expected in Southern Maryland and already compromising travel in South Central Virginia… including Richmond.
Snow Total Expectations- Still the same as my last report.
No One Computer Model Is Perfect. I see a blend of the information available. The challenge is finding the correct blend. So I will compare two high resolution short range models for how today may play out
Winter Weather Advisory
Baltimore City and Southern County including and Southward!
HEADLINES
- Light Snow Cold Enough To Stick!
- Best Chance For Impact and 1”+ Near and South of Rt 50
- Light Snow and Maybe A Coating Near and south Of I-70/Beltway
- Flurries and Snow Showers Could lay a coating in spots North to PA Line
- Flurries May Linger After Noon
- Change To Rain Salisbury to Beaches
My FINAL Call For Snowfall From Yesterday
I wanted to emphasize the marginal chance for a coating North of Baltimore.
Compare to 5 Snow Model Maps Below
WEATHER TODAY
Morning Temperatures at 6 AM
It is cold enough for stickage on untreated roads.
Doppler Radar Snapshot at 6:20 AM
Steady snow as expected in Southern Maryland and Virginia.
The north edge is either Virga (not reaching the ground, or flurries)
Morning Surface Weather
The EDGE of this snow is in Maryland. High Pressure to the north is providing a cap with dry air, while the Low Pressure center is located far south of the South Carolina Coast.
This band of snow is form that upper level piece of energy I showed the other night. It has raced in here faster and will depart faster.
This is mostly a morning event, but some snow showers may linger this afternoon.
SHORT RANGE FORECAST
Comparing the NAM 3 Km to the HRRR Model we can see the subtle difference of how far north the snow will reach and flurries lingering into the afternoon. My call is a blend between these two.
NAM 3 Km Simulation 7 AM to 7 PM
HRRR Model Simulation 7 AM to 7 AM
Snapshots
9 AM
NAM 3Km
HRRR
Noon
NAM 3Km
HRRR
3 PM
NAM 3Km
HRRR
Afternoon Temperatures
How Much Snow? Computer Model Plots
Not much change since last night…
Model Blends/Ensembles
SREF: Short Range Ensemble Forecast
NBM: National Blend of Models
High Resolution Short Range Models
NAM 3Km
Global Deterministic Model
ECMWF Model
Canadian GEM
GFS Model
National Weather Service Forecast
Repeat Of My Final Call
Repeat Of My First Call
Wider View
CLIMATE DATA: Baltimore
Yesterday: Low 24F; High 45F
Precipitation: 0.00”
Top Wind Gust 30 mph
TODAY December 5
Sunrise at 7:11AM
Sunset at 4:44 PM
Normal Low in Baltimore: 32ºF
Record 16ºF in 1886; 1926; 1066
Normal High in Baltimore: 50ºF
Record 75ºF 2001
Rainfall Deficit at BWI
- Ending 2024 = -8.00”
- Since Jan 1 = 6.41”
- We are STILL DOWN -14.41” INCLUDING LAST YEAR
FAITH IN THE FLAKES STORE
NOW OPEN FOR THE SEASON
SATURDAY
Morning Temperatures
Afternoon Temperatures
Looking Ahead:
Canadian GEM Model Sunday to Thursday
A few clipper like systems will swing through with a minimal impact of scattered showers Monday then again Wednesday to Thursday.
7 Day Forecast
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My Winter Outlook For Above-Average Snow
Click here for the full report
La Niña Advisory
This was issued October 9, as expected: A weak and short-lived event to start winter may play a different role this winter.
In Case You Missed It
Woolly Bear Caterpillar Winter Folklore
These are NOT all the same caterpillar!
Winter Outlook From 2 Farmers’ Almanacs
STEM Assemblies/In School Fields Trips Are Back
Click to see more and ‘Book’ a visit to your school
THANK YOU:
Baltimore Sun Magazine Readers’ Choice Best Of Baltimore
Maryland Trek 12 Day 7 Completed Sat August 9
UPDATED: We raised OVER $166,000 for Just In Power Kids – AND Still Collecting More
The annual event: Hiking and biking 329 miles in 7 days between The Summit of Wisp to Ocean City.
Each day, we honor a kid and their family’s cancer journey.
Fundraising is for Just In Power Kids: Funding Free Holistic Programs. I never have and never will take a penny. It is all for our nonprofit to operate.
Click here or the image to donate:
RESTATING MY MESSAGE ABOUT DYSLEXIA
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 can also 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
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