Williamsport, MD

1:54 PM EST on February 10, 2012 (GMT -0500)
Elev: 436 ft
Lon: 77.8° W
Lat: 39.6° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Williamsport Weather at a Glance
Updated 1:41 PM EST
Elevation
490 ft
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Now
Partly Cloudy
Partly Cloudy
Temperature
39.3 °F
Feels Like 32 °F
Wind(mph)
11.0
Sunrise / Set
7:10 AM
5:41 PM
Moon
Waning Gibbous
Today
Chance of Rain 45 °F
Chance of Rain
40% chance of precipitation
Tonight
Snow 29 °F
Snow
80% chance of precipitation
Tomorrow
Chance of Snow 36 | 16 °F
Chance of Snow
50% chance of precipitation
Sunday
Partly Cloudy 29 | 20 °F
Partly Cloudy
Monday
Clear 41 | 29 °F
Clear
Tuesday
Chance of Snow 45 | 31 °F
Chance of Snow
20% chance of precipitation
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.98 in
Visibility
10.0 miles
Clouds
Few 4000 ft
Moisture
Humidity
58%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KHGR 101753Z 22006KT 10SM FEW040 03/M07 A3004 RMK AO2 SLP187 T00331067 10033 21039 58029
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Weather Radio
Temperature
Windchill
32 °F
Dew Point
25 °F
Wind
Speed / Dir
11.0 mph from West
Wind Gust
Health
UV
4 out of 16
Pollen
1.40 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Washington
This Afternoon
chancerain Mostly cloudy with a 50 percent chance of rain. Highs in the mid 40s. Southwest winds around 5 mph.
Tonight
nt_chancesnow Snow or rain likely in the evening...then a chance of snow after midnight. Snow accumulation around an inch. Lows around 30. West winds around 5 mph...becoming north after midnight. Chance of precipitation 80 percent.
Saturday
chancesnow Cloudy. Snow showers likely...mainly in the afternoon. Little or no additional snow accumulation. Highs in the upper 30s. Northwest winds 5 to 10 mph...increasing to 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow 60 percent.
Saturday Night
nt_chancesnow Mostly cloudy with a chance of snow showers in the evening...then partly cloudy after midnight. Blustery with lows around 18. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 50 percent.
Sunday
partlysunny Partly sunny and brisk. Highs in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Sunday Night
nt_sunny Mostly clear. Lows around 20.
Monday
sunny Sunny. Highs around 40.
Monday Night
nt_cloudy Mostly cloudy. Lows in the upper 20s.
Tuesday
snow Cloudy with a chance of rain and snow showers. Highs in the lower 40s. Chance of precipitation 30 percent.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Wednesday
cloudy Mostly cloudy. Highs in the mid 40s.
Wednesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Thursday
cloudy Mostly cloudy. Highs in the mid 40s.
Source: NWS at 12:30 PM EST on February 10, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 21795
Friday, 10
Chance of Rain
45 | 29 °F
Chance of Rain
Chance of
Precipitation
40%
Saturday, 11
Chance of Snow
36 | 16 °F
Chance of Snow
Chance of
Precipitation
50%
Sunday, 12
Partly Cloudy
29 | 20 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 13
Clear
41 | 29 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Snow
45 | 31 °F
Chance of Snow
Chance of
Precipitation
20%
Wednesday, 15
Mostly Cloudy
43 | 29 °F
Mostly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance of Rain
45 | NA
Chance of Rain
Chance of
Precipitation
20%
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
This Afternoon
chancerain Mostly cloudy with a 50 percent chance of rain. Highs in the mid 40s. Southwest winds around 5 mph.
Tonight
nt_chancesnow Snow or rain likely in the evening...then a chance of snow after midnight. Snow accumulation around an inch. Lows around 30. West winds around 5 mph...becoming north after midnight. Chance of precipitation 80 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 28 | 20 41 | 23 40 | 28 34 | 28
Wind 0 mph SW 4 mph SSW 1 mph SSW 1 mph NNW
Humidity 75% 52% 63% 77%
Chance of Precip. 0% 40% 40% 80%
Cloud Cover 27% 42% 83% 100%
Conditions Partly Cloudy Partly Cloudy Chance of Rain Snow
Sunrise & Sunset
7:10 AM
5:41 PM
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
Saturday
chancesnow Cloudy. Snow showers likely...mainly in the afternoon. Little or no additional snow accumulation. Highs in the upper 30s. Northwest winds 5 to 10 mph...increasing to 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow 60 percent.
Saturday Night
nt_chancesnow Mostly cloudy with a chance of snow showers in the evening...then partly cloudy after midnight. Blustery with lows around 18. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 30 | 28 35 | 24 30 | 19 23 | 12
Wind 2 mph NNW 8 mph NW 18 mph NW 17 mph NW
Humidity 87% 62% 61% 59%
Chance of Precip. 80% 50% 50% 40%
Cloud Cover 90% 72% 81% 54%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:08 AM
5:42 PM
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
Sunday
partlysunny Partly sunny and brisk. Highs in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Sunday Night
nt_sunny Mostly clear. Lows around 20.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 20 | 8 28 | 10 26 | 11 21 | 11
Wind 15 mph WNW 19 mph WNW 15 mph WNW 9 mph WNW
Humidity 58% 46% 53% 63%
Chance of Precip. 40% 10% 10% 10%
Cloud Cover 34% 59% 52% 28%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:07 AM
5:43 PM
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
Monday
sunny Sunny. Highs around 40.
Monday Night
nt_cloudy Mostly cloudy. Lows in the upper 20s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 9 36 | 15 36 | 18 33 | 18
Wind 6 mph WNW 6 mph WNW 6 mph West 3 mph West
Humidity 56% 41% 44% 53%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 18% 10% 25% 73%
Conditions Clear Clear Clear Mostly Cloudy
Sunrise & Sunset
7:06 AM
5:44 PM
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
Tuesday
snow Cloudy with a chance of rain and snow showers. Highs in the lower 40s. Chance of precipitation 30 percent.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 20 41 | 26 39 | 29 35 | 29
Wind 1 mph WSW 4 mph SSW 2 mph SSW 1 mph South
Humidity 62% 55% 66% 80%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 83% 91% 82% 80%
Conditions Mostly Cloudy Chance of Snow Chance of Rain Chance of Snow
Sunrise & Sunset
7:05 AM
5:45 PM
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
Wednesday
cloudy Mostly cloudy. Highs in the mid 40s.
Wednesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 29 40 | 31 39 | 31 33 | 28
Wind 2 mph West 5 mph WNW 3 mph WNW 0 mph WNW
Humidity 84% 70% 74% 80%
Chance of Precip. 30% 30% 10% 10%
Cloud Cover 76% 71% 78% 68%
Conditions Chance of Snow Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
7:05 AM
5:45 PM
Source: NWS at 12:30 PM EST on February 10, 2012
Regional Forecast for Washington
Thursday
cloudy Mostly cloudy. Highs in the mid 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 27 41 | 30 41 | 31 33 | 28
Wind 0 mph WNW 2 mph NE 2 mph South 0 mph WNW
Humidity 84% 68% 68% 80%
Chance of Precip. 10% 10% 20% 10%
Cloud Cover 39% 52% 84% 68%
Conditions Partly Cloudy Chance of Rain Chance of Rain Partly Cloudy
Sunrise & Sunset
7:05 AM
5:45 PM
BestForecast (what's this?)
Nearby
History & Almanac
February 10, 2012 Max Temp Min Temp
Normal (KHGR) 40 °F 25 °F
Yesterday 43 °F 22 °F
Yesterday's Heating Degree Days: 32
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Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Astronomy
Feb. 10, 2012 Rise Set
Actual Time 7:10 AM EST 5:41 PM EST
Civil Twilight 6:42 AM EST 6:09 PM EST
Nautical Twilight 6:10 AM EST 6:40 PM EST
Astronomical Twilight 5:39 AM EST 7:12 PM EST
Moon 9:16 PM EST 8:18 AM EST
Length Of Visible Light 11h 26m
Length of Day
10h 31m
Tomorrow will be 2m 19s longer.
Waning Gibbous, 89% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Today's Extremes
State Highs State Lows
52 °F
Salisbury
48 °F
Ocean City
46 °F
Easton
46 °F
Leonardtown
23 °F
Oakland
23 °F
Frederick
26 °F
Hagerstown
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
Hagerstown 38 °F Partly Cloudy 12:53 PM EST
Martinsburg 39 °F Scattered Clouds 12:53 PM EST
Thurmont 33 °F Clear 12:54 PM EST
Fountain Dale 39 °F Clear 12:53 PM EST
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KHGR)
Wind Speed: 6.0 kts.
Wind Dir: 281° (West)
Ceiling: Unlimited

METAR KHGR 101753Z 22006KT 10SM FEW040 03/M07 A3004 RMK AO2 SLP187 T00331067 10033 21039 58029

Nearby Events
Event Date Forecast
The Funkstown Rainbow Meetup 7:00 PM EST 2012-02-10 Rain, 39°F
LeftBrain February Demo 12:00 PM EST 2012-02-17 Chance of Rain, 44°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Average High 71° F/ 21° C
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 10, 2012 Partly Cloudy, 47 °F
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 11, 2012 Chance of Rain, 45 °F
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Nessle Quarry, Falling Waters, WV 39.3 °F 32 °F 25 °F 58% West  at  11.0 mph - / hr 490 ft 1:41 PM EST Normal  
APRSWXNET Martinsburg WV , Falling Waters, WV 42 °F 42 °F 26 °F 52% SSE  at  0 mph 0.00 in / hr 452 ft 1:35 PM EST MADIS
1E - Pangborn Blvd., Hagerstown, MD 39.6 °F 35 °F 22 °F 49% South  at  7.0 mph 0.00 in / hr 537 ft 1:50 PM EST Normal
APRSWXNET Hagerstown MD , Maugansville, MD 41 °F 41 °F 23 °F 48% WSW  at  2 mph 0.00 in / hr 564 ft 1:30 PM EST MADIS
Hurds Development, Hagerstown, MD 40.4 °F 38 °F 25 °F 54% West  at  4.0 mph 0.00 in / hr 591 ft 1:50 PM EST Normal
Beaver Creek, Hagerstown, MD 42.1 °F 42 °F 18 °F 38% ESE  at  0.0 mph 0.00 in / hr 540 ft 1:45 PM EST Rapid Fire
Bridgeport, Hagerstown, MD 40.7 °F 41 °F 26 °F 56% WSW  at  2.0 mph 0.00 in / hr 538 ft 1:50 PM EST Normal
MDDOT I-81at Showalter Rd., Maugansville, MD 40 °F 37 °F 20 °F 45% SW  at  4 mph 0.00 in / hr 638 ft 1:35 PM EST MADIS
RAWS ANTIETAM NB MD, Sharpsburg, MD 42 °F 42 °F 22 °F 45% West  at  3 mph 0.00 in / hr 450 ft 1:13 PM EST MADIS
Berkeley Station Road, Martinsburg, WV 44.8 °F 43 °F 29 °F 54% SSW  at  3.7 mph 0.00 in / hr 450 ft 1:54 PM EST Rapid Fire
Hedgesville WV, Hedgesville, WV 39.7 °F 40 °F 22 °F 50% SSW  at  3.0 mph 0.00 in / hr 515 ft 1:51 PM EST Normal
Greencastle, PA 40.8 °F 35 °F 23 °F 48% SW  at  9.0 mph 0.00 in / hr 661 ft 1:50 PM EST Normal  
Boonsboro Weather Station, Boonsboro, MD 44.9 °F 44 °F 27 °F 49% SSW  at  3.3 mph 0.00 in / hr 520 ft 1:54 PM EST Rapid Fire
SmithsburgWeather.com, Smithsburg, MD 39.2 °F 39 °F 22 °F 50% West  at  1.0 mph 0.00 in / hr 680 ft 1:45 PM EST Normal
Boonsboro Weather (South), Boonsboro, MD 40.0 °F 38 °F 26 °F 58% SW  at  3.5 mph 0.00 in / hr 492 ft 1:54 PM EST Rapid Fire  
SharpsburgWeather.com, Sharpsburg, MD 40.8 °F 38 °F 27 °F 57% South  at  4.0 mph 0.00 in / hr 480 ft 1:54 PM EST Rapid Fire
APRSWXNET Smithsburg MD , Cavetown, MD 39 °F 39 °F 23 °F 52% SSW  at  1 mph 0.00 in / hr 698 ft 1:20 PM EST MADIS
Northwood Ranch East, Hedgesville, WV 41.0 °F 36 °F 24 °F 51% SSE  at  7.0 mph 0.00 in / hr 510 ft 1:54 PM EST Rapid Fire  
100 Block S. Kentucky Ave, Martinsburg, WV 44.8 °F 45 °F 25 °F 46% SSW  at  2.9 mph 0.00 in / hr 466 ft 1:54 PM EST Rapid Fire  
Cherry Run Estates, Hedgesville, WV 41.7 °F 37 °F 19 °F 39% SSE  at  6.5 mph 0.00 in / hr 525 ft 1:54 PM EST Rapid Fire  
Lost Road, Martinsburg, WV 41.1 °F 41 °F 24 °F 51% SW  at  0.0 mph 0.00 in / hr 540 ft 1:45 PM EST Normal
MesoWest I-81 Exit 12 WV45 & Winchester , Martinsburg, WV 40 °F 40 °F 21 °F 46% North  at  - 0.00 in / hr 562 ft 1:17 PM EST MADIS
WVU-KTFREC, Kearneysville, WV 42.0 °F 40 °F 27 °F 56% West  at  4.0 mph 0.00 in / hr 566 ft 1:50 PM EST Normal
Shenandoah Oaks Farm, Shenandoah Junction, WV 39.6 °F 40 °F 29 °F 65% SSW  at  3.0 mph 0.00 in / hr 510 ft 11:39 AM EST Rapid Fire  
Quail Ridge, Kearneysville, WV 42.8 °F 38 °F 23 °F 45% WSW  at  7.3 mph 0.00 in / hr 413 ft 1:54 PM EST Rapid Fire  
Kearneysville, WV 41.3 °F 41 °F 29 °F 61% WNW  at  0.0 mph 0.00 in / hr 472 ft 1:54 PM EST Rapid Fire  
RAWS MARTINSBURG WV, Martinsburg, WV 40 °F 36 °F 21 °F 46% SW  at  5 mph 0.00 in / hr 525 ft 1:13 PM EST MADIS
Highland School, Myersville, MD 37.0 °F 37 °F 22 °F 54% West  at  3.0 mph 0.00 in / hr 1233 ft 1:54 PM EST Normal
Tasty Acres Farm, Harpers Ferry, WV 41.1 °F 41 °F 26 °F 54% SW  at  3.0 mph 0.00 in / hr 435 ft 1:50 PM EST Normal  
Foxfield, Middletown, MD 39.3 °F 39 °F 25 °F 58% NW  at  0.0 mph 0.00 in / hr 616 ft 1:39 PM EST Normal  
Meadowbrook, Harpers Ferry, WV 41.6 °F 42 °F 25 °F 51% WSW  at  1.0 mph 0.00 in / hr 465 ft 1:54 PM EST Rapid Fire
Keedysville, MD, Keedysville, MD 38.7 °F 39 °F 24 °F 54% SSW  at  0.0 mph 0.01 in / hr 1450 ft 1:54 PM EST Rapid Fire
RAWS CATOCTIN MOUNTAIN MD, Sabillasville, MD 37 °F 37 °F 23 °F 57% SW  at  3 mph 0.00 in / hr 1484 ft 1:12 PM EST MADIS
Stottlemyer Road, Smithsburg, MD 35.6 °F 30 °F 24 °F 62% West  at  6.9 mph 0.00 in / hr 1578 ft 1:54 PM EST Rapid Fire  
APRSWXNET Frederick MD , Myersville, MD 33 °F 33 °F 24 °F 69% WSW  at  2 mph 0.01 in / hr 1689 ft 1:33 PM EST MADIS
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Public Information Statement
Mobile & Email Alerts Statement as of 11:30 am EDT on February 10, 2012

... Flood stages to change on the Shenandoah and Rapidan rivers...

On Tuesday... March 13th 2012... the flood stages at two river
forecast locations will be lowered in response to local needs and
impacts.

On the Shenandoah River... the flood stage at Millville in Jefferson
County will be lowered from 13.5 feet to 10.0 feet. Several roads
along the river flood at levels around 10 feet... and lowering the
flood stage will provide transportation officials and local
residents additional notice that these roads are expected to flood.
This change will result in a modest increase in flood warnings at
this location. The Reach of this forecast point affects both
Jefferson County West Virginia... and Clarke County Virginia... and
both counties will be warned when the new... lower... flood stage is
expected to be exceeded.

On the Rapidan river... the flood stage at the gauge south of
Culpeper on the Culpeper-Orange County border will be lowered from
14 feet to 13 feet. Roads and agricultural lands along the river
begin to flood at the 13 foot level... and therefore the lowering of
the flood stage will provide additional warning of these
occurrences. As a result of this change... the action stage... which
was previously 13 feet... will be lowered to 11 feet.

If you have questions about these changes... please contact
Jason Elliott
senior service hydrologist
Jason.Elliott@noaa.Gov