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Great Slave Lake - basin: Past 24 Hour Conditions

Warnings

 

Fort Simpson Airport

05:00 PM MDT 04 September 2026
Disclaimer

This table is a summary of hourly weather conditions for the past 24 hours.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Date / Time
(MDT)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C)
04 September 2026
17:00 SSE 5 Mostly Cloudy 24 101.9 17 38 2
16:00 SSE 3 Partly Cloudy 24 102.0 16 38 2
15:00 S 6 Mostly Cloudy 24 102.0 15 41 2
14:00 S 5 Mostly Cloudy 24 102.0 14 43 1
13:00 SSE 6 Mostly Cloudy 24 102.0 13 44 1
12:00 S 5 Mostly Cloudy 24 102.0 11 53 2
11:00 SSE 5 Mostly Cloudy 24 102.1 8 66 2
10:00 SSE 3 Mostly Cloudy 24 102.2 7 81 4
9:00 N 1 Mostly Cloudy 24 102.2 5 92 3
8:00 calm Shallow Fog 19 102.1 2 97 2
7:00 N 2 Mostly Cloudy 24 102.2 2 97 2
6:00 W 3 Partly Cloudy 23 102.2 2 95 1
5:00 NW 5 Mainly Clear 24 102.2 3 95 2
4:00 WNW 3 Partly Cloudy 24 102.2 3 93 2
3:00 NNW 3 Mainly Clear 24 102.2 5 93 4
2:00 NW 3 Mainly Clear 24 102.1 6 89 4
1:00 NNW 6 Mainly Clear 24 102.1 6 89 5
0:00 NNW 8 Mainly Clear 24 102.1 8 78 5
03 September 2026
23:00 NNW 11 Mainly Clear 24 102.0 9 74 5
22:00 NNW 12 Partly Cloudy 24 102.0 10 72 5
21:00 NNW 9 gusts 17 Partly Cloudy 24 101.9 11 68 6
20:00 NNW 13 gusts 21 Mostly Cloudy 19 101.8 14 61 6
19:00 NNW 13 Mostly Cloudy 24 101.8 14 63 7
18:00 NNW 13 Mostly Cloudy 24 101.7 15 60 7
17:00 NNW 15 Mostly Cloudy 24 101.6 16 57 8

If you require additional historical weather information, please visit Climate Data Online

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Map of Mackenzie - Mackenzie River marine weather areas Kugluktuk Airport Great Slave Lake - 45141 Keats Point Łutselk'e Airport Storm Hills Hay River/Merlyn Carter Airport Norman Wells Airport Cape Peel West Paulatuk Airport Great Slave Lake North Arm - 45150 Liverpool Bay Pelly Island Hat Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Bathurst Inlet Croker River Sachs Harbour Airport Thomsen River Ulukhaktok Airport Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City Cape Providence Komakuk Beach Little Chicago Cambridge Bay Airport Shingle Point Airport Inuvik Airport Aklavik Airport Cape Parry Airport Herschel Island Gateshead Island Fort Good Hope Airport Stefansson Island Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Inner Whaleback Rocks
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