Grand Marais, MN Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Grand Marais, MN.

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Current Conditions — Grand Marais, MN

GRAND MARAIS/COO (KCKC)

Partly Cloudy

46.4 F
Humidity:53%
Wind Speed: 10.3 G 18.3 mph
Barometer: in
Dewpoint:30.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:41.5 F
Apr 23 2026, 04:55 AM CDT
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5-Day Forecast — Grand Marais, MN

Thursday

High 55 °F
Chance of T-storms
Thursday
Night
Low 41 °F
T-storms
Friday

High 51 °F
Rain Showers Likely
Friday
Night
Low 33 °F
Slight Chance of Showers
Saturday

High 51 °F
Mostly Sunny
Saturday
Night
Low 35 °F
Partly Cloudy
Sunday

High 50 °F
Partly Sunny
Sunday
Night
Low 37 °F
Slight Chance of Rain
Monday

High 48 °F
Chance of Rain

Detailed Forecast — Grand Marais, MN

Thursday
Chance of Thunderstorms. High near 55°F. Wind 12 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Thunderstorms. Low around 41°F. Wind 9 to 13 mph, with gusts as high as 18 mph.
Friday
Rain Showers Likely. High near 51°F. Wind 7 to 12 mph, with gusts as high as 18 mph.
Friday Night
Slight Chance of Showers. Low around 33°F. Wind around 6 mph, with gusts as high as 13 mph.
Saturday
Mostly Sunny. High near 51°F. Wind 5 to 8 mph, with gusts as high as 16 mph.
Saturday Night
Partly Cloudy. Low around 35°F. Wind around 1 mph, with gusts as high as 8 mph.
Sunday
Partly Sunny. High near 50°F. Wind 2 to 6 mph, with gusts as high as 13 mph.
Sunday Night
Slight Chance of Rain. Low around 37°F. Wind around 6 mph, with gusts as high as 20 mph.
Monday
Chance of Rain. High near 48°F. Wind 13 to 14 mph, with gusts as high as 32 mph.
Monday Night
Chance of Rain. Low around 37°F. Wind around 15 mph, with gusts as high as 35 mph.
Tuesday
Chance of Rain. High near 48°F. Wind 9 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Slight Chance of Rain. Low around 33°F. Wind around 6 mph, with gusts as high as 18 mph.
Wednesday
Mostly Cloudy. High near 46°F. Wind 5 to 8 mph, with gusts as high as 18 mph.
MN Radar
Current Radar • MN
Day 1 Outlook • April 23, 2026

Observation History — Grand Marais, MN

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
04:55 AM CDT 10.3 G 18.3 10.00 Partly Cloudy -- 46.4 30.2 53% 41.5 NA M
04:35 AM CDT E 9.2 10.00 Clear -- 46.4 32.0 57% 41.9 NA M
04:15 AM CDT E 11.4 G 16.1 10.00 Partly Cloudy -- 48.2 32.0 53% 43.3 NA M
03:55 AM CDT 8.1 10.00 Partly Cloudy -- 48.2 33.8 57% 44.6 NA M
03:35 AM CDT 10.3 10.00 Mostly Cloudy -- 50.0 37.4 62% NA NA M
03:15 AM CDT E 3.4 10.00 Mostly Cloudy -- 50.0 37.4 62% NA NA M
02:55 AM CDT E 9.2 10.00 Mostly Cloudy -- 50.0 35.6 58% NA NA M
02:35 AM CDT 3.4 10.00 Cloudy -- 50.0 33.8 54% NA NA M
02:15 AM CDT E 8.1 10.00 Cloudy -- NULL 33.8 % NA NA M
01:55 AM CDT 9.2 10.00 Cloudy -- NULL 33.8 % NA NA M
01:35 AM CDT E 10.3 G 16.1 10.00 Cloudy -- NULL 33.8 % NA NA M
01:15 AM CDT E 6.9 10.00 Cloudy -- NULL 35.6 % NA NA M
12:55 AM CDT E 9.2 10.00 Cloudy -- NULL 35.6 % NA NA M
12:35 AM CDT E 10.3 10.00 Cloudy -- NULL 35.6 % NA NA M
12:15 AM CDT E 11.4 10.00 Cloudy -- 44.6 35.6 70% 38.8 NA M
11:55 PM CDT E 11.4 10.00 Cloudy -- NULL 35.6 % NA NA M
11:35 PM CDT E 11.4 10.00 Cloudy -- 44.6 35.6 70% 38.8 NA M
11:15 PM CDT NE 11.4 10.00 NULL -- 42.8 35.6 76% 36.5 NA M
10:55 PM CDT E 12.8 10.00 Cloudy -- 44.6 33.8 66% 38.3 NA M
10:35 PM CDT 12.8 10.00 Thunderstorms and Rain -- 42.8 33.8 70% 36.1 NA M
10:15 PM CDT NE 8.1 10.00 NULL -- 42.8 32.0 65% 37.9 NA M
09:55 PM CDT E 15.0 G 18.3 10.00 Thunderstorms and Rain -- 48.2 24.8 40% 42.3 NA M
09:35 PM CDT E 10.3 G 17.2 10.00 Thunderstorms -- 50.0 21.2 32% NA NA M
09:15 PM CDT E 10.3 10.00 NULL -- 48.2 21.2 34% 43.7 NA M

Regional Weather Observation

GRAND MARAIS/COO (KCKC)

Partly Cloudy
46.4 F

GRAND MARAIS (KGNA)

NULL
45.0 F

ELY MUNI (KELO)

Cloudy
53.1 F

(KBFW)


F

TWO HARBORS (KTWM)

Clear
42.8 F

LA POINTE (K4R5)

Clear
NULL F
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