Reporting Station : Leesburg / Godfrey, VA
2 Weather Alerts
for your area.
Clear. Chilly.
Rise 7:15AM
Set 4:47PM
Waxing crescent
Rise11:44AM
Set10:09PM
FRIDAY EVENING
IAD / No delays
DECEMBER 7TH, 1740-In early December two weeks of mild and rainy weather culminated in the worst flood in fifty years in the Lower Connecticut River Valley. The Merrimack River swelled to its highest level, and in Maine the raging waters swept away mills, carried off bridges, and ruined highways.
| DECEMBER 7TH, 1740 |
In early December two weeks of mild and rainy weather culminated in the worst flood in fifty years in the Lower Connecticut River Valley. The Merrimack River swelled to its highest level, and in Maine the raging waters swept away mills, carried off bridges, and ruined highways. |
| DECEMBER 7TH, 1935 |
Severe flooding hit parts of the Houston TX area. Eight persons were killed as one hundred city blocks were inundated. Satsuma reported 16.49 inches of rain. The Buffalo and White Oak Bayous crested on the 9th. |
| DECEMBER 6TH, 1886 |
A great snowstorm hit the southern Appalachain Mountains. The three day storm produced 25 inches at Rome GA, 33 inches at Asheville NC, and 42 inches in the mountains. Montgomery AL received a record eleven inches of snow. Columbia SC received one to two inches of sleet. |
| DECEMBER 6TH, 1970 |
A windstorm toppled the National Christmas Tree at the White House. |
| DECEMBER 5TH, 1886 |
A big snowstorm in the southeastern U.S. produced 11 inches at Montgomery AL, 18.5 inches at Rome GA, and 22.5 inches at Knoxville TN. |
| DECEMBER 5TH, 1953 |
A killer tornado hit Vicksburg MS killing 38 persons, injuring 270 others, and causing 25 million dollars damage, the most damage since the forty-seven days of continuous shelling the town received in the Civil War. |
| DECEMBER 4TH, 1786 |
The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage. |
| DECEMBER 4TH, 1982 |
The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record. |
| DECEMBER 3RD, 1983 |
Birmingham AL was drenched with 9.22 inches of rain in 24 hours. The rains caused severe flash flooding which literally submerged traffic. |
| DECEMBER 3RD, 1926 |
Yuma AZ was soaked with 1.10 inch of rain, and by the 10th of the month had received 4.43 inches, making it the wettest December of record. The average annual rainfall for Yuma is 3.38 inches. |
| DECEMBER 2ND, 1925 |
A late season hurricane caused extensive damage across the Florida peninsula, then moved off the Georgia coast crossing Cape Hatteras as a tropical storm. The storm produced whole gales along the Middle Atlantic and Southern New England coast. Winds gusted to 60 mph at Block Island RI, and reached 64 mph at Atlantic City NJ. |
| Issued By | NWS Field Office | Broadcast Time | Mon, 29 Dec 2014 03:43:00 PST |
| Issuing Time | Mon, 29 Dec 2014 03:43:00 PST | Valid Until | Mon, 29 Dec 2014 03:43:00 PST |
Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.
Rise 7:15AM
Set 4:47PM
Waxing crescent
Rise11:44AM
Set10:09PM
FRIDAY EVENING
IAD / No delays
| History | |||
| Weather Station: Washington-Dulles International Airport , VA , US | |||
| December Data | Choose another month |
| Averages | |
|
Average High Temperature
39.92 °F
|
Average Low Temperature
21.02 °F
|
|
Average Mean Temp
30.92 °F
|
Average Dew Point
21.02 °F
|
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
|
Average Morning Relative Humidity
76.0
|
Average Afternoon Relative Humidity
56.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
2.80
|
|
Average Snowfall (US Only)
8.00
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
*
|
|
Days With Fog
12
|
Days With Snow
4
|
Days With Lows Below Freezing
26
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
75.02 °F
|
Record Low
-18.04 °F
|
|
Record Wind Speed
62.00 mph
|
Record Monthly Snowfall
73.6 "
|
Record 24-hour Snowfall
10.99 "
|
Record Monthly Rainfall
6.62 "
|
Record 24-hour Rainfall
1.62 "
|
Record Minimum Monthly Precipitation
0.40 "
|
| Averages | |
|
Average High Temperature
44.06 °F
|
Average Low Temperature
23.00 °F
|
|
Average Mean Temp
33.98 °F
|
Average Dew Point
21.92 °F
|
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
52.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
2.80
|
|
Average Snowfall (US Only)
7.01
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
*
|
|
Days With Fog
10
|
Days With Snow
3
|
Days With Lows Below Freezing
23
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
78.98 °F
|
Record Low
-14.08 °F
|
|
Record Wind Speed
52.82 mph
|
Record Monthly Snowfall
71.1 "
|
Record 24-hour Snowfall
23.01 "
|
Record Monthly Rainfall
5.79 "
|
Record 24-hour Rainfall
2.09 "
|
Record Minimum Monthly Precipitation
0.20 "
|
| Averages | |
|
Average High Temperature
55.04 °F
|
Average Low Temperature
32.00 °F
|
|
Average Mean Temp
44.06 °F
|
Average Dew Point
30.02 °F
|
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
48.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.10
|
|
Average Snowfall (US Only)
2.99
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
1
|
|
Days With Fog
11
|
Days With Snow
2
|
Days With Lows Below Freezing
17
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
89.06 °F
|
Record Low
6.08 °F
|
|
Record Wind Speed
60.88 mph
|
Record Monthly Snowfall
27.9 "
|
Record 24-hour Snowfall
5.99 "
|
Record Monthly Rainfall
5.79 "
|
Record 24-hour Rainfall
1.81 "
|
Record Minimum Monthly Precipitation
1.00 "
|
| Averages | |
|
Average High Temperature
64.94 °F
|
Average Low Temperature
39.92 °F
|
|
Average Mean Temp
53.06 °F
|
Average Dew Point
39.02 °F
|
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
46.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.10
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
2
|
|
Days With Fog
11
|
Days With Snow
*
|
Days With Lows Below Freezing
6
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
91.94 °F
|
Record Low
17.06 °F
|
|
Record Wind Speed
67.77 mph
|
Record Monthly Snowfall
10.2 "
|
Record 24-hour Snowfall
2.99 "
|
Record Monthly Rainfall
7.29 "
|
Record 24-hour Rainfall
2.09 "
|
Record Minimum Monthly Precipitation
0.30 "
|
| Averages | |
|
Average High Temperature
73.94 °F
|
Average Low Temperature
50.00 °F
|
|
Average Mean Temp
62.96 °F
|
Average Dew Point
51.08 °F
|
|
Average Windspeed
8.06 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
82.0
|
Average Afternoon Relative Humidity
53.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.00
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
4
|
|
Days With Fog
15
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
96.98 °F
|
Record Low
28.04 °F
|
|
Record Wind Speed
52.82 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
10.28 "
|
Record 24-hour Rainfall
3.11 "
|
Record Minimum Monthly Precipitation
0.80 "
|
| Averages | |
|
Average High Temperature
82.94 °F
|
Average Low Temperature
59.00 °F
|
|
Average Mean Temp
71.06 °F
|
Average Dew Point
60.98 °F
|
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.90
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
6
|
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
5
|
| Records | |
|
Record High
100.04 °F
|
Record Low
35.96 °F
|
|
Record Wind Speed
73.47 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
18.20 "
|
Record 24-hour Rainfall
10.99 "
|
Record Minimum Monthly Precipitation
0.50 "
|
| Averages | |
|
Average High Temperature
87.08 °F
|
Average Low Temperature
64.04 °F
|
|
Average Mean Temp
75.92 °F
|
Average Dew Point
64.94 °F
|
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
85.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.50
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
6
|
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
11
|
| Records | |
|
Record High
104.00 °F
|
Record Low
41.00 °F
|
|
Record Wind Speed
78.06 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
7.09 "
|
Record 24-hour Rainfall
2.60 "
|
Record Minimum Monthly Precipitation
0.90 "
|
| Averages | |
|
Average High Temperature
86.00 °F
|
Average Low Temperature
62.96 °F
|
|
Average Mean Temp
73.94 °F
|
Average Dew Point
64.04 °F
|
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
55.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.00
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
5
|
|
Days With Fog
21
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
8
|
| Records | |
|
Record High
104.00 °F
|
Record Low
37.94 °F
|
|
Record Wind Speed
67.77 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
10.72 "
|
Record 24-hour Rainfall
4.69 "
|
Record Minimum Monthly Precipitation
0.80 "
|
| Averages | |
|
Average High Temperature
78.98 °F
|
Average Low Temperature
55.04 °F
|
|
Average Mean Temp
66.92 °F
|
Average Dew Point
57.92 °F
|
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
89.0
|
Average Afternoon Relative Humidity
55.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.40
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
2
|
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
3
|
| Records | |
|
Record High
98.96 °F
|
Record Low
30.02 °F
|
|
Record Wind Speed
53.94 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
11.31 "
|
Record 24-hour Rainfall
5.52 "
|
Record Minimum Monthly Precipitation
0.60 "
|
| Averages | |
|
Average High Temperature
68.00 °F
|
Average Low Temperature
42.08 °F
|
|
Average Mean Temp
55.04 °F
|
Average Dew Point
44.96 °F
|
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
52.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.30
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
1
|
|
Days With Fog
15
|
Days With Snow
*
|
Days With Lows Below Freezing
5
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
89.96 °F
|
Record Low
15.08 °F
|
|
Record Wind Speed
51.65 mph
|
Record Monthly Snowfall
2.5 "
|
Record 24-hour Snowfall
0.98 "
|
Record Monthly Rainfall
9.22 "
|
Record 24-hour Rainfall
4.10 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
57.02 °F
|
Average Low Temperature
33.98 °F
|
|
Average Mean Temp
46.04 °F
|
Average Dew Point
35.06 °F
|
|
Average Windspeed
11.47 mph
|
Average Wind Direction
315.0
|
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.20
|
|
Average Snowfall (US Only)
0.98
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
1
|
|
Days With Fog
12
|
Days With Snow
1
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
84.02 °F
|
Record Low
8.96 °F
|
|
Record Wind Speed
52.82 mph
|
Record Monthly Snowfall
27.9 "
|
Record 24-hour Snowfall
10.99 "
|
Record Monthly Rainfall
7.80 "
|
Record 24-hour Rainfall
2.40 "
|
Record Minimum Monthly Precipitation
0.20 "
|
| Averages | |
|
Average High Temperature
44.96 °F
|
Average Low Temperature
26.06 °F
|
|
Average Mean Temp
35.96 °F
|
Average Dew Point
26.06 °F
|
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
|
Average Morning Relative Humidity
78.0
|
Average Afternoon Relative Humidity
57.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.20
|
|
Average Snowfall (US Only)
4.02
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
*
|
|
Days With Fog
12
|
Days With Snow
2
|
Days With Lows Below Freezing
24
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
78.08 °F
|
Record Low
-4.00 °F
|
|
Record Wind Speed
62.00 mph
|
Record Monthly Snowfall
60.9 "
|
Record 24-hour Snowfall
10.99 "
|
Record Monthly Rainfall
6.70 "
|
Record 24-hour Rainfall
2.92 "
|
Record Minimum Monthly Precipitation
0.40 "
|
Rise 7:15AM
Set 4:47PM
Waxing crescent
Rise11:44AM
Set10:09PM
FRIDAY EVENING
IAD / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Saturday |  |
Fire danger low | 25% | 27% |
| Sunday | |
Fire danger low | 25% | 27% |
| Monday |  |
Fire danger very low | 25% | 27% |
| Tuesday | |
Fire danger very low | 25% | 27% |
| Wednesday | |
Fire danger very low | 25% | 27% |
| Thursday | |
Fire danger very low | 25% | 27% |
Rise 7:15AM
Set 4:47PM
Waxing crescent
Rise11:44AM
Set10:09PM
FRIDAY EVENING
IAD / No delays
Rise 7:15AM
Set 4:47PM
Waxing crescent
Rise11:44AM
Set10:09PM
FRIDAY EVENING
IAD / No delays
and then 
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