Reporting Station : Yellowknife, Northwest Territories, Canada
0 Weather Alerts
for your area.
Partly sunny. Cool.
Rise 4:29AM
Set 10:40PM
Waxing gibbous
Rise4:25PM
Set4:01AM
No Airport Delays Found
MAY 18TH, 1980-Mount Saint Helens (in Washington State) erupted spewing ash and smoke sixty-three thousand feet into the air. Heavy ash covered the ground to the immediate northwest, and small particles were carried to the Atlantic coast.
| MAY 18TH, 1980 |
Mount Saint Helens (in Washington State) erupted spewing ash and smoke sixty-three thousand feet into the air. Heavy ash covered the ground to the immediate northwest, and small particles were carried to the Atlantic coast. |
| MAY 18TH, 1825 |
A tornado (said to have crossed all of the state of Ohio) smashed into the log cabin settlement of Burlington, northeast of Columbus. |
| MAY 17TH, 1883 |
A three day flood in the Black Hills of western South Dakota resulted in a million dollars damage at Rapid City. |
| MAY 17TH, 1979 |
A reading of 12 degrees at Mauna Kea Observatory established an all-time record low for the state of Hawaii. |
| MAY 16TH, 1952 |
High winds in the Wasatch Canyon of Utah struck Ogden and Brigham City. Winds at Hill Air Force Base gusted to 92 mph. |
| MAY 16TH, 1874 |
The Mill Creek disaster occurred west of Northhampton MA. Dam slippage resulted in a flash flood which claimed 143 lives, and caused a million dollars property damage. |
| MAY 15TH, 1834 |
The Northern Atlantic Coast States were in the midst of their greatest May snowstorm of record. The hills around Newbury VT were covered with two to three feet of snow. |
| MAY 15TH, 1972 |
The worst ice jam flooding of memory for long-time residents took place along the Kuskokwim River and Yukon River in Alaska. It was the first time since 1890 that the two rivers "flowed as one". The towns of Oscarville and Napaskiak were completely inundated. |
| MAY 14TH, 1896 |
The mercury plunged to 10 degrees below zero at Climax CO. It was the lowest reading of record for the U.S. during the month of May. |
| MAY 14TH, 1898 |
A severe thunderstorm, with some hailstones up to 9.5 inches in circumference, pounded a four mile wide path across Kansas City MO. South-facing windows were broken in nearly every house in central and eastern parts of the city, and several persons were injured. An even larger hailstone was thought to have been found, but it turned out to be a chunk of ice tossed out the window of a building by a prankster. |
| MAY 13TH, 1930 |
A man was killed when caught in an open field during a hailstorm northwest of Lubbock TX. |
| 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 4:29AM
Set 10:40PM
Waxing gibbous
Rise4:25PM
Set4:01AM
No Airport Delays Found
| History | |||
| Weather Station: Yellowknife , NT , CA | |||
| May Data | Choose another month |
| Averages | |
|
Average High Temperature
-7.06 °F
|
Average Low Temperature
-20.92 °F
|
|
Average Mean Temp
-13.00 °F
|
Average Dew Point
-20.92 °F
|
|
Average Windspeed
8.06 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
65.0
|
Average Afternoon Relative Humidity
64.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
24
|
Days With Thunderstorms
*
|
|
Days With Fog
14
|
Days With Snow
24
|
Days With Lows Below Freezing
31
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
37.04 °F
|
Record Low
-54.04 °F
|
|
Record Wind Speed
56.23 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
-2.02 °F
|
Average Low Temperature
-18.04 °F
|
|
Average Mean Temp
-9.04 °F
|
Average Dew Point
-18.04 °F
|
|
Average Windspeed
9.18 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
65.0
|
Average Afternoon Relative Humidity
62.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
19
|
Days With Thunderstorms
*
|
|
Days With Fog
9
|
Days With Snow
19
|
Days With Lows Below Freezing
28
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
41.00 °F
|
Record Low
-52.96 °F
|
|
Record Wind Speed
55.12 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
10.04 °F
|
Average Low Temperature
-9.04 °F
|
|
Average Mean Temp
1.04 °F
|
Average Dew Point
-9.04 °F
|
|
Average Windspeed
10.35 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
66.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
17
|
Days With Thunderstorms
0
|
|
Days With Fog
5
|
Days With Snow
17
|
Days With Lows Below Freezing
31
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
48.02 °F
|
Record Low
-43.96 °F
|
|
Record Wind Speed
29.82 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
32.00 °F
|
Average Low Temperature
12.92 °F
|
|
Average Mean Temp
23.00 °F
|
Average Dew Point
10.94 °F
|
|
Average Windspeed
10.35 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
71.0
|
Average Afternoon Relative Humidity
53.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
0
|
|
Days With Fog
3
|
Days With Snow
10
|
Days With Lows Below Freezing
28
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
66.02 °F
|
Record Low
-27.04 °F
|
|
Record Wind Speed
39.06 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
50.00 °F
|
Average Low Temperature
33.08 °F
|
|
Average Mean Temp
42.08 °F
|
Average Dew Point
26.06 °F
|
|
Average Windspeed
10.35 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
69.0
|
Average Afternoon Relative Humidity
46.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
*
|
|
Days With Fog
3
|
Days With Snow
4
|
Days With Lows Below Freezing
13
|
Days above 90° F (32.2° C)
2
|
| Records | |
|
Record High
77.00 °F
|
Record Low
-2.02 °F
|
|
Record Wind Speed
45.94 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
62.96 °F
|
Average Low Temperature
46.94 °F
|
|
Average Mean Temp
55.04 °F
|
Average Dew Point
37.94 °F
|
|
Average Windspeed
9.18 mph
|
Average Wind Direction
158.0
|
|
Average Morning Relative Humidity
68.0
|
Average Afternoon Relative Humidity
45.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
1
|
|
Days With Fog
3
|
Days With Snow
*
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
13
|
| Records | |
|
Record High
86.00 °F
|
Record Low
30.02 °F
|
|
Record Wind Speed
48.24 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
69.08 °F
|
Average Low Temperature
53.96 °F
|
|
Average Mean Temp
62.06 °F
|
Average Dew Point
46.04 °F
|
|
Average Windspeed
9.18 mph
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
73.0
|
Average Afternoon Relative Humidity
47.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
2
|
|
Days With Fog
2
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
21
|
| Records | |
|
Record High
89.96 °F
|
Record Low
39.02 °F
|
|
Record Wind Speed
60.88 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
62.96 °F
|
Average Low Temperature
50.00 °F
|
|
Average Mean Temp
57.02 °F
|
Average Dew Point
44.96 °F
|
|
Average Windspeed
9.18 mph
|
Average Wind Direction
158.0
|
|
Average Morning Relative Humidity
81.0
|
Average Afternoon Relative Humidity
53.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
13
|
Days With Thunderstorms
2
|
|
Days With Fog
4
|
Days With Snow
*
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
13
|
| Records | |
|
Record High
87.98 °F
|
Record Low
32.00 °F
|
|
Record Wind Speed
53.94 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
50.00 °F
|
Average Low Temperature
39.02 °F
|
|
Average Mean Temp
44.96 °F
|
Average Dew Point
35.96 °F
|
|
Average Windspeed
10.35 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
63.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
14
|
Days With Thunderstorms
*
|
|
Days With Fog
5
|
Days With Snow
4
|
Days With Lows Below Freezing
6
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
71.96 °F
|
Record Low
15.98 °F
|
|
Record Wind Speed
55.12 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
33.08 °F
|
Average Low Temperature
24.08 °F
|
|
Average Mean Temp
28.94 °F
|
Average Dew Point
23.00 °F
|
|
Average Windspeed
11.47 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
77.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
23
|
Days With Thunderstorms
*
|
|
Days With Fog
11
|
Days With Snow
18
|
Days With Lows Below Freezing
25
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
64.04 °F
|
Record Low
-16.96 °F
|
|
Record Wind Speed
50.53 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
12.02 °F
|
Average Low Temperature
-0.04 °F
|
|
Average Mean Temp
6.08 °F
|
Average Dew Point
-0.04 °F
|
|
Average Windspeed
10.35 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
76.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
25
|
Days With Thunderstorms
*
|
|
Days With Fog
12
|
Days With Snow
25
|
Days With Lows Below Freezing
30
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
41.00 °F
|
Record Low
-38.02 °F
|
|
Record Wind Speed
47.06 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
-4.00 °F
|
Average Low Temperature
-16.96 °F
|
|
Average Mean Temp
-9.04 °F
|
Average Dew Point
-16.96 °F
|
|
Average Windspeed
8.06 mph
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
67.0
|
Average Afternoon Relative Humidity
67.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
24
|
Days With Thunderstorms
0
|
|
Days With Fog
14
|
Days With Snow
24
|
Days With Lows Below Freezing
31
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
33.98 °F
|
Record Low
-47.02 °F
|
|
Record Wind Speed
36.77 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
Rise 4:29AM
Set 10:40PM
Waxing gibbous
Rise4:25PM
Set4:01AM
No Airport Delays Found
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Sunday |  |
Fire danger low | 20% | 25% |
| Monday |  |
Fire danger moderate | 20% | 25% |
| Tuesday | |
Fire danger moderate | 19% | 25% |
| Wednesday | |
Fire danger moderate | 18% | 25% |
| Thursday | |
Fire danger moderate | 18% | 24% |
| Friday | |
Fire danger low | 18% | 24% |
Rise 4:29AM
Set 10:40PM
Waxing gibbous
Rise4:25PM
Set4:01AM
No Airport Delays Found
Rise 4:29AM
Set 10:40PM
Waxing gibbous
Rise4:25PM
Set4:01AM
No Airport Delays Found
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