Coastal Flood Advisory
Starts in 3 h 7 min
When
From 2 PM this afternoon to 8 PM EDT this evening, especially around the time of high tide.
Where
Shoreline in Anne Arundel County.
Issued for this forecast zone · National Weather Service Baltimore MD/Washington DC
What, impacts and precautionsHide details
What
Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding.
Impacts
At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial.
Additional details
Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 4:47 PM.
Precautionary actions
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Areas: Anne Arundel
See it on weather.gov (opens in a new tab)

Observed 10:20 AM EDT at KBWI

Severn, MD weather

Sunny and 55°13°.

Mostly agree

Now 55°13°

Sunny

Wind: 8 mph13 km/h; From the northeast. Up to 8 mph13 km/h through 10 PM
Dew point: 43°6°; Comfortable
UV index: 1Low; Moderate 12–3 PM · peak 4
Air quality: 36Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30.57 inHg1035 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 62°17° today at 2 PM
Below 50°10° tonight after 8 PM
Low 37°3° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM

This morningUp to 55°13° by 11 AM · Clear
This afternoonUp to 62°17° by 2 PM · Clear
TonightDown to 38°3° by 4 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 2 PM · Clear
Tomorrow nightDown to 41°5° by 4 AM · Clear
Monday morningUp to 44°7° by 9 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Sunny	50°10° (likely 49°9° to 52°11°)	49°9°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	71%	3%	1
Sat 11a	Sunny	55°13° (likely 53°12° to 56°13°)	55°13°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	61%	2%	2
Sat 12p	Sunny	58°14° (likely 56°13° to 59°15°)	58°14°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	55%	0%	3
Sat 1p	Sunny	59°15° (likely 58°14° to 61°16°)	59°15°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	51%	5%	4
Sat 2p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	44%	1%	3
Sat 3p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	44%	0%	2
Sat 4p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	43%	0%	1
Sat 5p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	46%	0%	1
Sat 6p	Clear	57°14° (likely 55°13° to 57°14°)	57°14°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	53%	0%	0
Sat 7p	Clear	51°11° (likely 51°11° to 54°12°)	51°11°	0%	2 mph3 km/h from NE, gusts 5 mph9 km/h	68%	0%	0
Sat 8p	Clear	49°9° (likely 49°9° to 51°11°)	49°9°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	77%	3%	0
Sat 9p	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	86%	2%	0
Sat 10p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	93%	1%	0
Sat 11p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	96%	1%	0
Sun 12a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	100%	0%	0
Sun 1a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	100%	0%	0
Sun 2a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	100%	0%	0
Sun 3a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	100%	0%	0
Sun 4a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	1%	0
Sun 5a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	2 mph3 km/h from N, gusts 5 mph9 km/h	100%	1%	0
Sun 6a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	100%	10%	0
Sun 7a	Sunny	37°3° (likely 37°3° to 45°7°)	37°3°	0%	1 mph2 km/h from N, gusts 6 mph10 km/h	100%	13%	0
Sun 8a	Mostly sunny	37°3° (likely 37°3° to 43°6°)	37°3°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	100%	18%	0
Sun 9a	Sunny	45°7° (likely 44°7° to 47°8°)	45°7°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	93%	7%	1
Sun 10a	Mostly sunny	51°11° (likely 51°11° to 54°12°)	51°11°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	77%	15%	2
Sun 11a	Sunny	56°13° (likely 55°13° to 58°14°)	56°13°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	66%	7%	3
Sun 12p	Sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	58%	5%	4
Sun 1p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	50%	3%	4
Sun 2p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	45%	5%	4
Sun 3p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	43%	3%	4
Sun 4p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	45%	3%	3
Sun 5p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	45%	0%	1
Sun 6p	Clear	60°16° (likely 57°14° to 60°16°)	60°16°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	55%	0%	0
Sun 7p	Clear	55°13° (likely 53°12° to 56°13°)	55°13°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	66%	0%	0
Sun 8p	Clear	51°11° (likely 51°11° to 54°12°)	51°11°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	80%	0%	0
Sun 9p	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	0%	0
Sun 10p	Clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	93%	0%	0
Sun 11p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	96%	0%	0
Mon 12a	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	100%	0%	0
Mon 1a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	100%	0%	0
Mon 2a	Clear	42°6° (likely 41°5° to 46°8°)	42°6°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	100%	0%	0
Mon 3a	Clear	42°6° (likely 39°4° to 46°8°)	42°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	0%	0
Mon 4a	Clear	41°5° (likely 39°4° to 45°7°)	41°5°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	9%	0
Mon 5a	Clear	41°5° (likely 38°3° to 45°7°)	41°5°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	13%	0
Mon 6a	Clear	39°4° (likely 38°3° to 45°7°)	39°4°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	13%	0
Mon 7a	Sunny	38°3° (likely 38°3° to 46°8°)	36°2°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	100%	14%	0
Mon 8a	Sunny	39°4° (likely 39°4° to 47°8°)	37°3°	0%	3 mph5 km/h from W, gusts 7 mph12 km/h	100%	14%	0
Mon 9a	Sunny	44°7° (likely 44°7° to 54°12°)	42°6°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	93%	17%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 62°17°, low 37°3°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. East wind around 5 mph.
Tonight: Patchy fog between 11pm and 5am. Clear, with a low around 37. Northeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
37°3°–39°4°
Typical high / low
66°19° / 49°9°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 65°18°, low 38°3°. Typical 65°18° / 49°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Patchy frost before 7am, then patchy frost and patchy fog between 7am and 9am. Sunny, with a high near 65. Northeast wind around 2 mph.
Night: Clear, with a low around 38. Southwest wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–65°18°
Low, likely
37°3°–43°6°
Typical high / low
65°18° / 49°9°
Wind
6 mph9 km/h
UV peak
4
Monday, Oct 26. Sunny. High 70°21°, low 50°10°. Typical 65°18° / 49°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70. West wind 2 to 6 mph.
Night: Clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
38°3°–50°10°
Typical high / low
65°18° / 49°9°
Wind
8 mph12 km/h, gusts 19 mph30 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 65°18°, low 45°7°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
45°7°–54°12°
Typical high / low
65°18° / 48°9°
Wind
8 mph13 km/h, gusts 22 mph35 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 63°17°, low 48°9°. Typical 64°18° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
42°6°–50°10°
Typical high / low
64°18° / 48°9°
Wind
8 mph12 km/h, gusts 15 mph25 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 50°10°. Typical 64°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
46°8°–51°11°
Typical high / low
64°18° / 48°9°
Wind
7 mph11 km/h, gusts 23 mph37 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 49°9°. Typical 64°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
44°7°–52°11°
Typical high / low
64°18° / 47°8°
Wind
11 mph17 km/h, gusts 22 mph35 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 69°21°, low 49°9°. Typical 63°17° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°11°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–74°23°
Low, likely
46°8°–51°11°
Typical high / low
63°17° / 47°8°
Wind
12 mph19 km/h, gusts 26 mph42 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 67°19°, low 52°11°. Typical 63°17° / 47°8°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 60°15°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–71°22°
Low, likely
48°9°–55°13°
Typical high / low
63°17° / 47°8°
Wind
8 mph13 km/h, gusts 21 mph33 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 68°20°, low 57°14°. Typical 62°17° / 46°8°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–76°24°
Low, likely
52°11°–60°16°
Typical high / low
62°17° / 46°8°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 37°.
Tomorrow
Dry, high 65°, low 38°, warming up.
Monday
Dry, high 70°, low 50°, warming up.
Rest of week
Mostly dry, highs 63–72°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LWX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Sawmill Creek at Glen Burnie

4.2 mi

Below flood stage

Level: 1.9 ft
Flow: 3 cfs

Reading from Sat 9:45 AM · NWS gauge page

SOUTH FORK JABEZ BRANCH AT MILLERSVILLE, MD

5.2 mi

Level: 3.2 ft

Reading from Sat 9:55 AM · NWS gauge page

Patapsco River near Elkridge below Patapsco Valley State Park

5.5 mi

Below flood stage

Level: 7.7 ft

Reading from Sat 10:15 AM · NWS gauge page

Little Patuxent River near Savage

6.5 mi

Below flood stage

Level: 3.0 ft
Flow: 21 cfs

Reading from Sat 10:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 48% less heating than a typical week.

This week 31Typical 60

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 25
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 16 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 43°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Maryland Science Center · official normals 1991–2020 · records 1950–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

−7°−4°SunOct 18
−3°−2°MonOct 19
+4°+2°TueOct 20
+2°+1°WedOct 21
+2°+1°ThuOct 22
±0°FriOct 23
—SatOct 24

Severn weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 25 min less
Golden hour: 5:38–6:32 PM; Morning 7:09–8:02 AM
Blue hour: 6:32–6:42 PM; Morning 6:58–7:09 AM; first light 6:58 AM

Stars tonight? Fair

Clear 6:42 PM–6:59 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:38 AM · rises 5:11 PM
Full moon: Oct 26
New moon: Nov 9

Looking east from Severn. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Coastal Flood Advisory

Severn, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Sawmill Creek at Glen Burnie

SOUTH FORK JABEZ BRANCH AT MILLERSVILLE, MD

Patapsco River near Elkridge below Patapsco Valley State Park

Little Patuxent River near Savage

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon