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Local Weather

Slave Lake Weather Forecast

Temperature, wind, rain and more for Slave Lake

Alberta, Canada

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 21
Sep		09:00

WSW
WSW

 3 / 3 mph 50 / 50°F 89% 1009 mb
Low level cloud: 23%
Mid level cloud: 46%
High level cloud: 99%
Most Significant Cloud Type: low
51%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WNW
WNW

 11 / 13 mph 57 / 54°F 61% 1010 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

WNW
WNW

 12 / 13 mph 59 / 56°F 54% 1009 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 96%
Most Significant Cloud Type: medium
48%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WNW
WNW

 9 / 11 mph 56 / 54°F 56% 1010 mb
Low level cloud: 0%
Mid level cloud: 91%
High level cloud: 31%
Most Significant Cloud Type: medium
91%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

 4 / 9 mph 44 / 41°F 75% 1013 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 8%
Most Significant Cloud Type: medium
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 22
Sep		00:00

W
W

 3 / 6 mph 40 / 38°F 83% 1014 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SW
SW

 2 / 5 mph 37 / 37°F 86% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSE
SSE

 2 / 5 mph 36 / 35°F 85% 1016 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SE
SE

 4 / 8 mph 45 / 42°F 74% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 5%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SSE
SSE

 6 / 7 mph 60 / 58°F 51% 1014 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 6%
Most Significant Cloud Type: medium
9%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSE
SSE

 8 / 9 mph 64 / 63°F 47% 1013 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 3%
Most Significant Cloud Type: medium
17%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSE
SSE

 8 / 11 mph 61 / 60°F 61% 1011 mb
Low level cloud: 0%
Mid level cloud: 37%
High level cloud: 18%
Most Significant Cloud Type: medium
37%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

SSE
SSE

 8 / 16 mph 47 / 44°F 81% 1012 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 14%
Most Significant Cloud Type: medium
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
The 7 day weather forecast summary for Slave Lake:

The forecast for Slave Lake in the coming week is predicting the average daytime maximum temperature will be around 15°C, with a high for the week of 18°C expected on the afternoon of Tuesday 22nd. The mean minimum temperature will be 6°C, dipping to its lowest on the morning of Tuesday 22nd at 2°C. Expect the week ahead to remain predominantly dry. On the whole winds are likely to be moderate.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image � it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure