Rainy Lake

Rainy Lake

Fort Frances, MN

48°F
68°
3 mph79°/49°

Right Now

68°

Clear

Water

48°

Wind

3 mph

NNW

Gusts

6 mph

Pressure

29.86

steady

Forecast - Mon, May 25

7am
53°
10am
65°
1pm
76°34%
4pm
79°

High / Low

79° / 49°

Wind

8 mph

gusts 22 mph

Precip

42%

UV

4

Sunrise

10:19 AM

Sunset

1:57 AM

Today Read

Rainy Lake

Wind read

Calm

8 mph avg

Water read

48°

Cold-water pattern

Air range

49° / 79°

today

Precip

42%

watch timing

Today's forecast for Rainy Lake has calm wind, 49F to 79F air temperatures, 42% chance of precipitation, and 48F water.

AI lake plannerGreen lightChecking questions

Ask what to do at Rainy Lake today.

The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.

Today's AI read

Transition pattern for Walleye / Northern pike

74 confidence

Transition temps can split fish between warming edges and deeper comfort zones. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.

Uses this lake data

Current water temp: 48°FWater temp history: 455 readingsHourly weather: 224 hoursSolunar timing: 3/5Fish species: 12 listedSatellite imagery: 402 captures

Trip read from the AI planner

Fishing Forecast

first quarter

3/5

Major

1:44 AM - 4:14 AM

Minor

7:51 PM - 9:21 PM

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May 17, 2026

Fish Species

12

Water Temperature History

Current

54°

May 31

Low

32°

Feb 17

Average

49°

Last 12 Months

Warmest avg: July (70°F)

Coolest avg: January (33°F)

Rapid warming: MayJune (+16°F)

Sharpest cooling: SeptemberOctober (-16°F)

Weather Forecast

Wind speed, gusts, and pressure trends for trip timing.

Hourly Wind Forecast

25

12am - 11pm

Wind SpeedWind Gust
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Peak Wind

12 mph

4pm

Peak Gust

22 mph

highest gust

Pressure

29.88 inHg

steady

Visibility

18 mi

10% clouds

Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days

Daily Pressure Forecast

Pressure
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Tap chart points for pressure details

Nearby Lakes

FAQ

About Rainy Lake

Rainy Lake covers 210200.00 acres (328.44 square miles) with a maximum depth of 49.07 meters (~161 feet).

Rainy Lake is located in Fort Frances, St. Louis County, MN. It is accessible to the public for outdoor activities.