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Source Lake, MN 14 Day Weather
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Source Lake, MN Weather Forecast
Source Lake, MN Weather Forecast Dated: 541 AM Sun Sep 20 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 20, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
46°F 8°C
Overcast
Brisk around 51°F 11°C, overcast throughout the day, with increasing humidity and steady pressure. Winds turning from the NE to the ESE at 6 mph 10 km/h.
Monday, September 21, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
49°F 10°C
Overcast
Early-Evening
46°F 8°C
Overcast
Cool and brisk at 49°F 10°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the E at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
47°F 8°C
Sunny
Chilly near 51°F 11°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ESE to the ENE at 5 mph 8 km/h.
Wednesday, September 23, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
49°F 10°C
Sunny
Crisp with a high near 53°F 12°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the ESE to the ENE at 5 mph 8 km/h.
Thursday, September 24, 2026
Mid-Morning
52°F 11°C
Light Fog
Mid-Afternoon
55°F 13°C
Cloudy
Early-Evening
55°F 13°C
Overcast
Brisk around 55°F 13°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
64°F 18°C
Partly Cloudy
Early-Evening
63°F 18°C
Overcast
Mildly cool near 64°F 18°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
61°F 16°C
Light Fog
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
62°F 17°C
Sunny
Comfortable at 67°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds shifting from the SW to the SSE at 4 mph 7 km/h.
Sunday, September 27, 2026
Mid-Morning
55°F 13°C
Fog
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
62°F 17°C
Partly Cloudy
Cool with a high near 62°F 17°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SSE at 6 mph 10 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 28, 2026
Mid-Morning
43°F 6°C
Heavy Rain
Mid-Afternoon
33°F 0°C
Light Rain
Early-Evening
31°F -1°C
Heavy Snow
Cold with a high near 33°F 0°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Snow accumulation up to 1 in. up to 3 cm. Winds picking up from W at 11 mph 17 km/h to NW at 19 mph 31 km/h. Gusts up to 37 mph 60 km/h.
Tuesday, September 29, 2026
Mid-Morning
32°F 0°C
Partly Cloudy
Mid-Afternoon
42°F 5°C
Scattered Showers
Early-Evening
43°F 6°C
Scattered Showers
Nippy around 42°F 5°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds tapering down from WNW 14 mph 22 km/h to W 6 mph 10 km/h.
Wednesday, September 30, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
48°F 9°C
Sunny
Chilly near 48°F 9°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the WSW to the W at 12 mph 19 km/h. Gusts up to 31 mph 50 km/h.
Thursday, October 1, 2026
Mid-Morning
40°F 5°C
Cloudy
Mid-Afternoon
42°F 6°C
Overcast
Early-Evening
38°F 4°C
Overcast
Cold with a high near 42°F 6°C, overcast throughout the day, with increasing humidity and barometric pressure rising. Winds out of the WNW at 15 mph 23 km/h. Gusts up to 25 mph 40 km/h.
Friday, October 2, 2026
Mid-Morning
36°F 2°C
Scattered Showers
Mid-Afternoon
38°F 4°C
Scattered Showers
Early-Evening
38°F 4°C
Scattered Showers
Nippy around 38°F 4°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Saturday, October 3, 2026
Mid-Morning
35°F 2°C
Partly Cloudy
Mid-Afternoon
45°F 7°C
Sunny
Early-Evening
41°F 5°C
Sunny
Cool and brisk at 45°F 7°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Source Lake, MN Weather Radar Map
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