Northern Maryland Weather Forecasting

Northern Maryland Weather Forecasting This is a local weather service for the Carroll, Baltimore, Harford, and Cecil county areas. I grew up in Harford County, MD, specifically in Forest Hill.

For those of you who don't know me, my name is Maximilian (Max) Magness. I am currently an Atmospheric Scientist for CPP Wind Engineering and Air Quality Consultants out of Windsor, CO. Most of my work surrounds the statistics of wind affects on buildings and other structures. My love for weather and climate began as a young child, mainly due to me being afraid of thunderstorms. I graduated from N

orth Harford High School in 2015 and was part of the Agriculture Magnet Program. I went to Harford Community College for a year before transferring to Salisbury University. During my time at Salisbury University, I conducted multiple research projects on anything from tornadoes, to hail, to climate change, etc. I graduated with B.S. in Geography with tracks in both Atmospheric Science and GIS from Salisbury University in May 2019. I decided to apply to graduate schools my senior year and choose to go to Mississippi State University after much thought. While I was attending MSU, I was a teaching assistant for multiple classes, Meteorology Intern at MemphisWeather.net, and Graduate Assistant for the Mississippi State Climate Office. My thesis is on Synoptic-scale characterization of the High-Shear Low-CAPE (Convective Available Potential Energy) (HSLC) Tornado Outbreaks (TOs) in different regions of the United States. I graduated with my M.S. in Geosciences - Professional Meteorology/Climatology in August 2021 from Mississippi State University. Most of my research interests are in Severe Convective Storms (SCSs aka severe thunderstorms), although I love all things weather and climate. I created this page in December 2020 to provide local forecasts for Carroll, Baltimore, Harford, and Cecil Counties. I run this page in my free time, mostly for fun and to bring more awareness to how weather and climate affects everyday lives and activities. Posts are made at least three times a week, with many more during active weather patterns. I also do hyper local weather forecasts for outdoor events.

5-Day Forecast:So most of you probably saw some overnight rain/storms and some might be moving out at the time this post...
09/13/2026

5-Day Forecast:

So most of you probably saw some overnight rain/storms and some might be moving out at the time this posts to Facebook. Clouds might linger for a while, but it could be partly cloudy by the evening. Temperatures are expected to top out in the low to mid 80s.

Tomorrow and Tuesday look quite nice...might I say an "open windows" kind of days. Precipitation chances stay low and temperatures look decent Wednesday and Thursday.

-Max

09/13/2026

Overnight storms probable:

Overnight and early morning storms look likely (80-90% chance). It looks like the highest chances will be between 12am-7am. I'm expecting these to stay sub-severe, but should give the area a nice soaking.

-Max

5-Day Forecast:Today temperatures are expected to top out in the low to mid 80s under partly cloudy skies. Thunderstorms...
09/10/2026

5-Day Forecast:

Today temperatures are expected to top out in the low to mid 80s under partly cloudy skies. Thunderstorms look possible to probable this evening/overnight (50-60% chance). The highest chance for storms is between 5pm-12am. I'm not expecting any storms to be severe.

Temperatures look to stay reasonable (between mid 70s and mid 80s) for this five day period. The next solid chance for storms after today is on Saturday.

-Max

5-Day Forecast:Today temperatures are expected to top out in the low to mid 80s. Skies might start as mostly sunny this ...
09/08/2026

5-Day Forecast:

Today temperatures are expected to top out in the low to mid 80s. Skies might start as mostly sunny this morning, but some cloud cover could move in after lunch making it more like partly cloudy.

Outside of Thursday, not much going on in terms of active weather. After Thursday, temperatures will cool down a tad for a day or two.

-Max

5-Day Forecast:Today temperatures are expected to top out in the upper 70s or around 80 under partly cloudy skies. Rain ...
09/06/2026

5-Day Forecast:

Today temperatures are expected to top out in the upper 70s or around 80 under partly cloudy skies. Rain chances look to stay low and temperatures look pretty reasonable.

Go enjoy it!

-Max

Severe Thunderstorms Update for today (9/3):Well things have progressed interestingly. Most of you saw some rain/storms ...
09/03/2026

Severe Thunderstorms Update for today (9/3):

Well things have progressed interestingly. Most of you saw some rain/storms earlier this morning.

There is a slight risk (2/5) for severe thunderstorms today. The main concern is damaging wind gusts, but some isolated hail also looks possible.

Another round of storms looks poised to traverse across the region between about 11am-2pm. It looks like the strongest will be to the west, but I think most will see a little something from this next line.

Finally, some models are depicting another line of storms poised to move through between about 9pm-1am. Model solutions for this line is all over the place so it's more like a 50% chance in my eyes.

Another tough forecast today...

-Max

5-Day Forecast:Today temperatures are expected to top out around 90 or a little above under partly cloudy to mostly clou...
09/03/2026

5-Day Forecast:

Today temperatures are expected to top out around 90 or a little above under partly cloudy to mostly cloudy skies.

Today there is a slight risk (2/5) for severe thunderstorms. The main concern is damaging wind gusts although some isolated hail looks possible. I kept chances a little low due to the modelling issues present this summer. I think chances will peak between 45-55% from 3-8pm.

Tomorrow there also looks to be a decent chance of storms. Right now they look like they'll stay non-severe, but with how poor the short-term models have been, that could change tomorrow.

Good news is that after the storms on Friday, a cold front will move through, dropping temperatures to more comfortable levels...and with overnight lows around 60F. First taste of fall...maybe.

-Max

Severe Thunderstorm WATCH: There is now a severe thunderstorm watch across most of MD until 5pm. The main concern is sca...
09/02/2026

Severe Thunderstorm WATCH:

There is now a severe thunderstorm watch across most of MD until 5pm. The main concern is scattered damaging wind gusts up to 70 mph. Some isolated hail up to ping pong size is also possible.

So long story short, the forward speed of these storms have increased over the last hour or two. With this increase in speed, I'm expecting it to impact the counties I cover between 12pm-3pm.

It is now likely that everyone will see something. Severe TS Watch and current radar images attached.

-Max

Severe Thunderstorms Update for Today (9/2/2026):Today there is a slight risk (2/5) for severe thunderstorms. The main c...
09/02/2026

Severe Thunderstorms Update for Today (9/2/2026):

Today there is a slight risk (2/5) for severe thunderstorms. The main concern is damaging wind gusts, although some isolated hail looks possible.

This morning there is a line of storms currently in Central PA, that is expected to continue to move SE towards the region. It looks like this line of storms is expected to pass through the counties I cover between 1-4pm (55-65% chance). I'm not sure how strong the storms will be when it makes it to MD, but there is currently a few severe thunderstorm warnings in PA for wind gusts around 60 mph.

A severe thunderstorm watch might be extended into MD in the next few hours for the potential early afternoon storms.

There might be some isolated showers/storms later in the evening, but I don't think it will end up being anything crazy.

Tomorrow also looks to have a somewhat similar setup as today, but I might provide an update on that tomorrow morning.

-Max

Severe Thunderstorm WATCH. Be careful tonight. Still think the highest chances are in the northern and eastern portions ...
09/01/2026

Severe Thunderstorm WATCH. Be careful tonight. Still think the highest chances are in the northern and eastern portions of the counties I cover. Mainly Harford and Cecil Counties.

-Max

A severe thunderstorm watch has been issued for parts of Delaware, Maryland, New Jersey, New York and Pennsylvania until 12 AM EDT

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