Tall Timbers, MD
07/02/2026 11:00 AM
87°F
TEMPERATURE
Winds 3 mph S
Sunny
Sunny, with a high near 94. Heat index values as high as 106. South wind 3 to 12 mph.

Alerts

You have (4) alert(s). Tap to see details.

Extreme Heat Warning

Severe
Extreme Heat Warning issued July 2 at 8:36AM EDT until July 3 at 8:00PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Likely Severe
Status Urgency Category
Actual Expected Met
Effective Ends Expires
07/02/2026 08:36 AM 07/03/2026 08:00 PM 07/02/2026 05:00 PM 
* WHAT...For the first Extreme Heat Warning, dangerously hot
conditions with heat index values up to 111 expected. For the
second Extreme Heat Warning, dangerously hot conditions with heat
index values up to 112 expected. For the Extreme Heat Watch,
dangerously hot conditions with heat index values up to 110
possible.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this
evening. For the second Extreme Heat Warning, from 10 AM to 8 PM
EDT Friday. For the Extreme Heat Watch, from Saturday morning
through Saturday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

Extreme Heat Watch

Severe
Extreme Heat Watch issued July 2 at 8:36AM EDT until July 4 at 8:00PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Likely Severe
Status Urgency Category
Actual Future Met
Effective Ends Expires
07/02/2026 08:36 AM 07/04/2026 08:00 PM 07/02/2026 05:00 PM 
* WHAT...For the first Extreme Heat Warning, dangerously hot
conditions with heat index values up to 111 expected. For the
second Extreme Heat Warning, dangerously hot conditions with heat
index values up to 112 expected. For the Extreme Heat Watch,
dangerously hot conditions with heat index values up to 110
possible.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this
evening. For the second Extreme Heat Warning, from 10 AM to 8 PM
EDT Friday. For the Extreme Heat Watch, from Saturday morning
through Saturday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

Extreme Heat Warning

Severe
Extreme Heat Warning issued July 2 at 8:36AM EDT until July 2 at 8:00PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Likely Severe
Status Urgency Category
Actual Expected Met
Effective Ends Expires
07/02/2026 08:36 AM 07/02/2026 08:00 PM 07/02/2026 05:00 PM 
* WHAT...For the first Extreme Heat Warning, dangerously hot
conditions with heat index values up to 111 expected. For the
second Extreme Heat Warning, dangerously hot conditions with heat
index values up to 112 expected. For the Extreme Heat Watch,
dangerously hot conditions with heat index values up to 110
possible.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this
evening. For the second Extreme Heat Warning, from 10 AM to 8 PM
EDT Friday. For the Extreme Heat Watch, from Saturday morning
through Saturday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

Air Quality Alert

Unknown
Air Quality Alert issued July 1 at 4:40PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/01/2026 04:40 PM 07/02/2026 11:20 AM 07/03/2026 12:00 AM 
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Thursday for
Southern Maryland.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
Moonrise
11:33 PM
Moonset
09:01 AM
Sunrise
05:46 AM
Moon Phase
Waning gibbous
Sunset
08:33 PM

Hourly Forecast

Thu, 11:00 AM

Sunny
Winds: 3 mph S
87°

Thu, 12:00 PM

Sunny
Winds: 5 mph S
89°

Thu, 01:00 PM

Sunny
Winds: 7 mph S
90°

Thu, 02:00 PM

Sunny
Winds: 8 mph SE
91°

Thu, 03:00 PM

Sunny
Winds: 9 mph SE
92°

Thu, 04:00 PM

Sunny
Winds: 10 mph SE
94°

Thu, 05:00 PM

Sunny
Winds: 12 mph SE
93°

Thu, 06:00 PM

Clear
Winds: 12 mph SE
92°

Thu, 07:00 PM

Clear
Winds: 12 mph SE
90°

Thu, 08:00 PM

Clear
Winds: 9 mph SE
88°

Thu, 09:00 PM

Clear
Winds: 9 mph S
86°

Thu, 10:00 PM

Clear
Winds: 8 mph S
84°

Thu, 11:00 PM

Clear
Winds: 8 mph S
84°

Fri, 12:00 AM

Clear
Winds: 8 mph S
84°

Fri, 01:00 AM

Clear
Winds: 7 mph S
83°

Fri, 02:00 AM

Clear
Winds: 6 mph SW
83°

Fri, 03:00 AM

Clear
Winds: 6 mph SW
83°

Fri, 04:00 AM

Clear
Winds: 6 mph SW
82°

Fri, 05:00 AM

Clear
Winds: 6 mph SW
82°

Fri, 06:00 AM

Sunny
Winds: 5 mph W
81°

Fri, 07:00 AM

Sunny
Winds: 5 mph W
81°

Fri, 08:00 AM

Sunny
Winds: 3 mph W
82°

Fri, 09:00 AM

Sunny
Winds: 3 mph W
85°

Fri, 10:00 AM

Sunny
Winds: 3 mph W
88°

Today

Sunny
94°
Winds: 3 to 12 mph S
Sunny, with a high near 94. Heat index values as high as 106. South wind 3 to 12 mph.

Tonight

Clear
81°
Winds: 6 to 12 mph S
Clear, with a low around 81. Heat index values as high as 105. South wind 6 to 12 mph.

Friday

Sunny
96°
Winds: 5 mph W
Sunny, with a high near 96. Heat index values as high as 107. West wind around 5 mph.

Friday Night

Mostly Clear
82°
Winds: 6 mph SW
Mostly clear, with a low around 82. Heat index values as high as 103. Southwest wind around 6 mph.

Independence Day

Sunny then Chance Showers And Thunderstorms
96°
Winds: 3 to 7 mph SW
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.

Saturday Night

Chance Showers And Thunderstorms
79°
Winds: 2 to 7 mph SW
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79. Chance of precipitation is 40%.

Sunday

Mostly Sunny then Chance Showers And Thunderstorms
89°
Winds: 1 to 7 mph S
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

Sunday Night

Chance Showers And Thunderstorms
77°
Winds: 5 to 8 mph SE
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.

Monday

Showers And Thunderstorms Likely
88°
Winds: 6 mph SE
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.

Monday Night

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
75°
Winds: 6 mph E
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 70%.

Tuesday

Partly Sunny then Chance Showers And Thunderstorms
85°
Winds: 8 mph NE
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Tuesday Night

Chance Showers And Thunderstorms
74°
Winds: 5 to 9 mph E
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

Wednesday

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
80°
Winds: 7 mph E
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

Wednesday Night

Slight Chance Showers And Thunderstorms
74°
Winds: 3 to 8 mph S
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74.

Coastal Waters Forecast

National Weather Service Baltimore MD/Washington DC

FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY.

Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. An area of high pressure will build near and south of the Mid- Atlantic through the week. The chance for strong thunderstorms increases Friday into the weekend, with Special Marine Warnings possible.

Tidal Potomac from Key Bridge to Indian Head

REST OF TODAY
W winds 5 kt Waves less than 1 ft
TONIGHT
SW winds around 5 kt Waves 1 ft
FRI
W winds around 5 kt Waves 1 ft or less
FRI NIGHT
W winds around 5 kt Waves 1 ft
SAT
W winds around 5 kt Waves 1 ft A chance of showers and tstms
SAT NIGHT
W winds around 5 kt Waves 1 ft A chance of showers and tstms
SUN
SE winds around 5 kt Waves 1 ft or less Showers likely with a chance of tstms
MON
NE winds around 5 kt Waves 1 ft Showers likely through the night A chance of tstms A chance of showers after midnight
Reporting time 10:57 AM EDT Thu Jul 2 2026

Tidal Potomac from Indian Head to Cobb Island

REST OF TODAY
SW winds 5 kt
TONIGHT
S winds 5 to 10 kt Waves 1 ft
FRI
W winds around 5 kt Waves 1 ft or less
FRI NIGHT
SW winds around 5 kt Waves 1 ft
SAT
W winds around 5 kt Waves 1 ft A chance of showers and tstms
SAT NIGHT
W winds around 5 kt Waves 1 ft A chance of showers and tstms
SUN
S winds around 5 kt Waves 1 ft or less A chance of showers and tstms in the afternoon Showers likely with a chance of tstms through the night
MON
NE winds around 5 kt Waves 1 ft Showers likely through the night A chance of tstms A chance of showers after midnight
Reporting time 10:57 AM EDT Thu Jul 2 2026

Tidal Potomac from Cobb Island to Smith Point

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Chesapeake Bay north of Pooles Island

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Chesapeake Bay from Pooles Island to Sandy Point

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Patapsco River including Baltimore Harbor

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Chester River to Queenstown MD

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Chesapeake Bay from Sandy Point to North Beach

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Eastern Bay

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Chesapeake Bay from North Beach to Drum Point

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Choptank River to Cambridge MD and the Little Choptank River

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Patuxent River to Broomes Island MD

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Chesapeake Bay from Drum Point to Smith Point

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT
Reporting time 10:57 AM EDT Thu Jul 2 2026
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