Gwynedd, PA (19436)

6:54 PM EDT on July 20, 2017 (GMT -0400)
Lower Gwynedd | | Change Station

Elev 257 ft 40.18 °N, 75.21 °W | Updated 26 seconds ago

Partly Cloudy
Partly Cloudy
88.9 °F
Feels Like 97 °F
N
0.0
Wind Variable Wind from West

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.90 in
Visibility 10.0 miles
Clouds Clear
Heat Index 97 °F
Dew Point 73 °F
Humidity 60%
Rainfall 0.00 in
Snow Depth Not available.
5:48 AM 8:25 PM
Waning Crescent, 9% visible
METAR KLOM 202235Z AUTO 24007KT 220V280 10SM CLR 31/22 A2990 RMK AO1
Pressure 29.90 in
Visibility 10.0 miles
Clouds Clear
Heat Index 97 °F
Dew Point 73 °F
Humidity 60%
Rainfall 0.00 in
Snow Depth Not available.
5:48 AM 8:25 PM
Waning Crescent, 9% visible
METAR KLOM 202235Z AUTO 24007KT 220V280 10SM CLR 31/22 A2990 RMK AO1

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10-Day Weather Forecast

Almanac

Astronomy

Jul. 20, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

State Highs State Lows

Community

WunderPhotos

Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Severe Thunderstorm Watch
Issued: 6:43 PM EDT Jul. 20, 2017 – National Weather Service

Severe Thunderstorm Watch 426 remains in effect until 1000 PM EDT

PA
. Pennsylvania counties included are

Berks Bucks Carbon
Lehigh Monroe Montgomery
Northampton Philadelphia




Excessive Heat Warning
Issued: 3:13 PM EDT Jul. 20, 2017 – National Weather Service

... Excessive heat warning remains in effect until 8 PM EDT
Friday...

* temperatures... high temperatures are forecast to be in the
middle 90s for the remainder of this afternoon and again on
Friday. There will not be much relief overnight with
temperatures mostly falling back into the 70s, but remaining
near 80 in highly urbanized areas.

* Heat index values... generally from 98 to 105 degrees during the
afternoon hours today and on Friday.

* Impacts... the heat and humidity may cause heat stress during
outdoor exertion or extended exposure.

Precautionary/preparedness actions...

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to the early morning or
the late evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear light weight and loose fitting clothing and
be sure to drink plenty of water.

To reduce your risk during outdoor work the occupational safety
and health administration recommends scheduling frequent rest
breaks in a shaded or air conditioned environment. Anyone
overcome by heat should be moved to a cool shaded location. Heat
stroke is an emergency... call 9 1 1.

An excessive heat warning means that a prolonged period of very
hot temperatures and high humidity will occur. The combination
will create a dangerous situation in which heat related health
problems may develop. Drink plenty of fluids, stay in an air
conditioned environment, stay out of the sun and be sure to check
on elderly relatives and neighbors.

Young children and pets should never be left unattended in a
vehicle under any circumstance. This is especially true during
hot weather when a car's interior can reach lethal temperatures
in a matter of minutes.





Air Quality Alert
Issued: 3:45 PM EDT Jul. 19, 2017 – National Weather Service

... Air quality alert is in effect for Thursday July 20...

The Delaware valley regional planning commission has issued
a code Orange air quality alert Thursday for the Philadelphia
Metro area.

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 www.Airnow.Gov.



345 PM EDT Wed Jul 19 2017

... Air quality alert is in effect for Thursday July 20...

The Delaware valley regional planning commission has issued
a code Orange air quality alert Thursday for the Philadelphia
Metro area.

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 www.Airnow.Gov.