OAK ISLAND, MN 56741 Weather Forecast & Current Conditions

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FLAG ISLAND, MN
Current Weather

10:35 AM CDT MAY 18, 2026
Overcast
41°F
Feels Like: 33°F
Dewpoint: 37°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: NE at 16 mph
Pressure: 29.87 inches
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OAK ISLAND, MN 56741
Weather Forecast

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REST OF TODAY
Cloudy. A slight chance of showers this afternoon. Highs in the mid 50s. North winds 5 to 15 mph. Chance of rain 20 percent.
TONIGHT
Rain showers likely in the evening, then rain showers and a chance of snow showers after midnight. No snow accumulation. Lows in the mid 30s. North winds 5 to 15 mph. Chance of precipitation 90 percent.
TUESDAY
Mostly cloudy. A slight chance of rain and snow showers in the morning. Highs in the mid 40s. Northwest winds 10 to 20 mph. Chance of precipitation 20 percent.
TUESDAY NIGHT
Partly cloudy. Areas of frost in the evening, then widespread frost after midnight. Lows 30 to 35.
WEDNESDAY
Widespread frost in the morning. Sunny. Highs in the mid 60s.
WEDNESDAY NIGHT
Partly cloudy. Lows 40 to 45.
THURSDAY THROUGH FRIDAY
Mostly cloudy. A chance of showers. Highs 65 to 70. Lows in the mid 40s.
FRIDAY NIGHT AND SATURDAY
Mostly cloudy. A slight chance of showers. Highs 65 to 70. Lows in the mid 40s.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 40s.
SUNDAY
Partly sunny. Highs in the mid 70s.

Visible Weather Satellite
OAK ISLAND, MN 56741
Infrared Weather Satellite
OAK ISLAND, MN 56741
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OAK ISLAND, MN 56741

FLAG ISLAND, MN 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/17/2026
Monday
18 MAY 2026
OAK ISLAND, MN 56741 weather forecast Day 1, 0 hours 1 AM 41° 34° Overcast 52%
RAIN
.01–.1 in
0% Thunder
( 3% severe)
ENE   13 89% 38°
Low 39° OAK ISLAND, MN 56741 weather forecast Day 1, 3 hours 4 AM 40° 33° Mostly Cloudy NE   12 92% 38°
High 46° OAK ISLAND, MN 56741 weather forecast Day 1, 6 hours 7 AM 41° 34° Mostly Cloudy 1%

0% Thunder
( 2% severe)
NNE   13 86% 37°

Mostly Cloudy



OAK ISLAND, MN 56741 weather forecast Day 1, 9 hours 10 AM 41° 34° Mostly Cloudy NNE   12 82% 36°
OAK ISLAND, MN 56741 weather forecast Day 1, 12 hours 1 PM 41° 34° Mostly Cloudy 4%

0% Thunder
( 2% severe)
NNE   12 79% 35°
OAK ISLAND, MN 56741 weather forecast Day 1, 15 hours 4 PM 41° 34° Mostly Cloudy NNE   12 79% 35°
OAK ISLAND, MN 56741 weather forecast Day 1, 18 hours 7 PM 42° 36° Mostly Cloudy 51%
RAIN
>2 in
0% Thunder
( 1% severe)
NNE   12 76% 35°
OAK ISLAND, MN 56741 weather forecast Day 1, 21 hours 10 PM 40° 33° Overcast NNE   10 82% 35°
Tuesday
19 MAY 2026
OAK ISLAND, MN 56741 weather forecast Day 2, 0 hours 1 AM 39° 32° Overcast 69%
RAIN
***
0% Thunder
( 1% severe)
NNE   10 85% 35°
Low 36° OAK ISLAND, MN 56741 weather forecast Day 2, 3 hours 4 AM 37° 29° Mostly Cloudy N   12 92% 35°
High 44° OAK ISLAND, MN 56741 weather forecast Day 2, 6 hours 7 AM 37° 29° Mostly Cloudy 15%
RAIN
.01–.1 in
0% Thunder
( 4% severe)
NA   13 89% 34°

Mostly Cloudy



OAK ISLAND, MN 56741 weather forecast Day 2, 9 hours 10 AM 37° 29° Mostly Cloudy N   13 82% 32°
OAK ISLAND, MN 56741 weather forecast Day 2, 12 hours 1 PM 38° 30° Mostly Cloudy 6%

0% Thunder
( 4% severe)
NNW   12 76% 31°
OAK ISLAND, MN 56741 weather forecast Day 2, 15 hours 4 PM 39° 33° Mostly Cloudy NNW   8 70% 30°
OAK ISLAND, MN 56741 weather forecast Day 2, 18 hours 7 PM 41° 39° Mostly Cloudy 1%

0% Thunder
( 3% severe)
NNW   3 67% 31°
OAK ISLAND, MN 56741 weather forecast Day 2, 21 hours 10 PM 38° 36° Mostly Cloudy   CALM 76% 31°

FLAG ISLAND, MN extended weather forecast

Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Low 36° Low 46° Low 49° Low 46° Low 51°
High 56° High 64° High 59° High 58° High 65°
OAK ISLAND, MN 56741 weather forecast Day 3 OAK ISLAND, MN 56741 weather forecast Day 4 OAK ISLAND, MN 56741 weather forecast Day 5 OAK ISLAND, MN 56741 weather forecast Day 6 OAK ISLAND, MN 56741 weather forecast Day 7
Partly Cloudy
11% Rain/Snow
Partly Cloudy
24% Rain
Mostly Cloudy
37% Rain
Overcast
73% Rain
Mostly Cloudy
41% Rain
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