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Rainy Lake
67°F
Rainy Lake
Backus, MN · Cass County
67°F water129 acres29 ft deep
Right Now
82°
Mostly Clear
Water
67°
Wind
4 mph
E
Gusts
6 mph
Pressure
30.06
falling
LakeMonster planner
Plan Rainy Lake
Rainy Lake
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is finding the right window.
Best first move
Scout the first break or defined cover closest to a feeding flat.
use a search bait first, then slow down after the first contact A workable forecast window starts near 6am with about 4 mph wind.
8 lake data sources in this readSee dataHideLatest source updated Jul 16, 6:18 AM CDT
- Current water temp
- 67°F
- Water temp history
- 390 readings
- Hourly weather
- 224 hours
- Solunar timing
- 3/5
- Satellite imagery
- 276 captures
- Thermal imagery
- 642 captures
- Map structure
- available
- Nearby lakes
- 3 options
The quick read is a planning aid, not a safety or access determination. The assistant will state uncertainty when the page does not contain a specific observation.
Forecast - Thu, Jul 16
High / Low
87° / 61°
Wind
5 mph
gusts 14 mph
Precip
43%
UV
7
Sunrise
5:39 AM
Sunset
9:07 PM
7-Day Weather Outlook
Every forecast metric for the week ahead, plus best days for fishing, boating, swimming, and paddling.
9 day forecast
Best Days This Week
Quick recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Tue, Jul 21
67/100
Tue, Jul 21 scores 67/100: Solunar 3/5, Wind 8 mph.
Best for Boating
Wed, Jul 22
90/100
Wed, Jul 22 scores 90/100: Wind 5 mph, Rain 0%.
Best for Swimming
Sat, Jul 18
75/100
Sat, Jul 18 scores 75/100: Air 83°F, Rain 0%.
Best for Paddling
Wed, Jul 22
85/100
Wed, Jul 22 scores 85/100: Wind 5 mph, Rain 0%.
Temperature Range
High Low
Precip & Wind
Rain % Wind mph
Daily Breakdown
Swipe to see all 9 days
| Metric | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 | Tue21 | Wed22 | Thu23 | Fri24 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Partly Cloudy | Thunderstorms | Mostly Clear | Rain | Rain | Drizzle | Partly Cloudy | Partly Cloudy | Mostly Clear |
| High / Low | 87°/61° | 89°/70° | 83°/65° | 85°/64° | 89°/70° | 76°/64° | 78°/61° | 80°/63° | 83°/63° |
| Precip | 43% | 39% | 0% | 37% | 47% | 40% | 0% | 35% | 35% |
| Wind | 7 mphgust 14 | 12 mphgust 20 | 9 mphgust 18 | 8 mphgust 19 | 11 mphgust 24 | 8 mphgust 20 | 5 mphgust 12 | 6 mphgust 14 | 5 mphgust 11 |
| Pressure | 30.01" stable | 29.87" falling | 29.93" rising | 29.86" falling | 29.71" falling | 29.91" rising | 30.06" rising | 29.98" falling | 29.88" falling |
| UV Index | 7 | 6 | 7 | 6 | 7 | 5 | 7 | 5 | 8 |
| Sunrise | 5:39 AM | 5:40 AM | 5:41 AM | 5:42 AM | 5:43 AM | 5:44 AM | 5:45 AM | 5:47 AM | 5:48 AM |
| Sunset | 9:07 PM | 9:06 PM | 9:05 PM | 9:04 PM | 9:03 PM | 9:02 PM | 9:01 PM | 9:00 PM | 8:59 PM |
| Bite Rating | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent | 3/5first quarter | 2/5first quarter | 2/5first quarter | 3/5waxing gibbous |
Today Read
Rainy LakeWind read
Calm
5 mph avg
Water read
67°
Warm-water bite
Air range
61° / 87°
today
Precip
43%
watch timing
Today's forecast for Rainy Lake has calm wind, 61F to 87F air temperatures, 43% chance of precipitation, and 67F water.
Fishing Forecast
NEW
3/5
Major
3:09 PM - 5:39 PM
Minor
7:53 AM - 9:23 AM
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September 22, 2025
Water Temperature History
Current
74°
Jul 26
Low
34°
Feb 17
Average
54°
Last 12 Months
Warmest avg: July (71°F)
Coolest avg: March (39°F)
Rapid warming: March → April (+11°F)
Sharpest cooling: August → September (-16°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
7 day view
Hourly Wind Forecast
Swipe days or tap points
16
12am - 11pm
Wind SpeedWind Gust
Tap pointsPeak Wind
7 mph
10am
Peak Gust
14 mph
highest gust
Pressure
30.07 inHg
rising
Visibility
12 mi
1% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Daily Pressure Forecast
Pressure stability helps plan windows
Pressure
Tap for detailsTap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5NEW
Major3:09 PM - 5:39 PM
Minor7:53 AM - 9:23 AM
Water at 67°F -- warm-water species active.
Nearby Lakes
Lake facts
About Rainy Lake
Direct answers from the lake profile and latest available condition data. Verify access, regulations, weather alerts, and safety conditions with local authorities.
The latest available LakeMonster reading for Rainy Lake, updated Jul 16, 2026, shows 67°F surface water temperature, mostly clear, 4 mph wind. Conditions can vary across the lake and change quickly, so check local weather, access notices, and on-water observations before acting.
Rainy Lake has 129 acres and a reported maximum depth of about 29 feet based on the latest lake profile available to LakeMonster.
Rainy Lake is listed in Backus, Cass County, MN. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.