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Fishmouth Lake
69°F
Fishmouth Lake
Kettle Falls, MN · St. Louis County
69°F water30 acres28 ft deep
Right Now
72°
Mostly Cloudy
Water
69°
Wind
3 mph
NW
Gusts
5 mph
Pressure
30.11
falling
LakeMonster planner
Plan Fishmouth Lake
Fishmouth 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 1 mph wind.
8 lake data sources in this readSee dataHideLatest source updated Jul 16, 12:30 PM CDT
- Current water temp
- 69°F
- Water temp history
- 482 readings
- Hourly weather
- 224 hours
- Solunar timing
- 3/5
- Satellite imagery
- 169 captures
- Thermal imagery
- 602 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
79° / 63°
Wind
4 mph
gusts 15 mph
Precip
50%
UV
4
Sunrise
5:26 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
Wed, Jul 22
54/100
Wed, Jul 22 scores 54/100: Wind 6 mph, Rain 0%.
Best for Boating
Wed, Jul 22
90/100
Wed, Jul 22 scores 90/100: Wind 6 mph, Rain 0%.
Best for Swimming
Thu, Jul 23
80/100
Thu, Jul 23 scores 80/100: Air 80°F, Rain 0%.
Best for Paddling
Wed, Jul 22
85/100
Wed, Jul 22 scores 85/100: Wind 6 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 | Drizzle | Thunderstorms | Mostly Clear | Partly Cloudy | Rain | Drizzle | Mostly Clear | Mostly Clear | Drizzle |
| High / Low | 79°/63° | 81°/65° | 81°/64° | 85°/65° | 85°/66° | 72°/61° | 76°/60° | 80°/63° | 78°/66° |
| Precip | 50% | 78% | 23% | 26% | 63% | 45% | 0% | 0% | 52% |
| Wind | 7 mphgust 15 | 10 mphgust 20 | 9 mphgust 18 | 7 mphgust 16 | 14 mphgust 25 | 13 mphgust 26 | 6 mphgust 14 | 6 mphgust 12 | 8 mphgust 17 |
| Pressure | 30.04" stable | 29.87" falling | 29.89" rising | 29.83" falling | 29.62" falling | 29.87" rising | 30.11" rising | 29.98" falling | 29.88" falling |
| UV Index | 4 | 6 | 7 | 6 | 7 | 5 | 7 | 6 | 5 |
| Sunrise | 5:26 AM | 5:27 AM | 5:28 AM | 5:30 AM | 5:31 AM | 5:32 AM | 5:33 AM | 5:34 AM | 5:35 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 | 2/5waxing crescent | 3/5first quarter | 2/5first quarter | 2/5first quarter | 3/5waxing gibbous |
Today Read
Fishmouth LakeWind read
Calm
4 mph avg
Water read
69°
Warm-water bite
Air range
63° / 79°
today
Precip
50%
watch timing
Today's forecast for Fishmouth Lake has calm wind, 63F to 79F air temperatures, 50% chance of precipitation, and 69F water.
Fishing Forecast
NEW
3/5
Major
3:02 PM - 5:32 PM
Minor
7:42 AM - 9:12 AM
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Detailed temperature readings across your lake.
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September 22, 2025
Water Temperature History
Current
70°
Jul 19
Low
32°
Feb 15
Average
52°
Last 12 Months
Warmest avg: July (70°F)
Coolest avg: February (36°F)
Rapid warming: April → May (+15°F)
Sharpest cooling: August → September (-10°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
3pm
Peak Gust
15 mph
highest gust
Pressure
30.11 inHg
steady
Visibility
12 mi
34% 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
Major3:02 PM - 5:32 PM
Minor7:42 AM - 9:12 AM
Water at 69°F -- warm-water species active.
Nearby Lakes
Lake facts
About Fishmouth 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 Fishmouth Lake, updated Jul 16, 2026, shows 69°F surface water temperature, mostly cloudy, 3 mph wind. Conditions can vary across the lake and change quickly, so check local weather, access notices, and on-water observations before acting.
Fishmouth Lake has 30 acres and a reported maximum depth of about 28 feet based on the latest lake profile available to LakeMonster.
Fishmouth Lake is listed in Kettle Falls, St. Louis County, MN. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.