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Lake Koocanusa
Eureka, MT · Lincoln County
Right Now
Clear
Water
69°
Wind
6 mph
SW
Gusts
12 mph
Pressure
29.86
falling
Forecast - Wed, Jul 8
High / Low
83° / 56°
Wind
5 mph
gusts 24 mph
Precip
0%
UV
8
Sunrise
11:46 AM
Sunset
3:44 AM
Every forecast metric for the week ahead, plus best days for fishing, boating, swimming, and paddling.
Quick recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Mon, Mon, Jul 13
Mon, Jul 13 scores 86/100: Solunar 5/5, Wind 5 mph.
Best for Boating
Mon, Mon, Jul 13
Mon, Jul 13 scores 90/100: Wind 5 mph, Rain 0%.
Best for Swimming
Thu, Thu, Jul 9
Thu, Jul 9 scores 75/100: Air 79°F, Rain 0%.
Best for Paddling
Mon, Mon, Jul 13
Mon, Jul 13 scores 85/100: Wind 5 mph, Rain 0%.
Ask about this week:
Swipe to see all 9 days
| Metric | Wed8 | Thu9 | Fri10 | Sat11 | Sun12 | Mon13 | Tue14 | Wed15 | Thu16 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Mostly Clear | Mostly Clear | Clear | Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Clear | Mostly Clear |
| High / Low | 83°/56° | 79°/58° | 82°/59° | 80°/59° | 79°/59° | 84°/56° | 84°/62° | 80°/61° | 81°/53° |
| Precip | 0% | 0% | 0% | 0% | 0% | 0% | 19% | 0% | 0% |
| Wind | 11 mphgust 24 | 9 mphgust 19 | 11 mphgust 24 | 12 mphgust 25 | 9 mphgust 23 | 5 mphgust 13 | 9 mphgust 17 | 12 mphgust 27 | 4 mphgust 12 |
| Pressure | 29.87" stable | 29.86" stable | 29.76" falling | 29.81" rising | 29.91" rising | 29.98" rising | 29.95" falling | 29.85" falling | 29.87" rising |
| UV Index | 8 | 7 | 9 | 9 | 7 | 7 | 7 | 8 | 8 |
| Sunrise | 11:46 AM | 11:47 AM | 11:48 AM | 11:49 AM | 11:50 AM | 11:51 AM | 11:52 AM | 11:53 AM | 11:54 AM |
| Sunset | 3:44 AM | 3:44 AM | 3:43 AM | 3:42 AM | 3:42 AM | 3:41 AM | 3:40 AM | 3:39 AM | 3:38 AM |
| Bite Rating | 2/5Last quarter | 2/5Last quarter | 2/5waning crescent | 2/5waning crescent | 3/5waning crescent | 5/5NEW | 4/5NEW | 3/5NEW | 3/5NEW |
Today Read
Lake KoocanusaWind read
Calm
5 mph avg
Water read
69°
Warm-water bite
Air range
56° / 83°
today
Precip
0%
low concern
Today's forecast for Lake Koocanusa has calm wind, 56F to 83F air temperatures, 0% chance of precipitation, and 69F water.
Trip planner
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is weak timing.
Uses 9 live data sources for this lake. Tap a stat or ask a question.
Fishing Forecast
Last quarter
Major
1:35 PM - 4:05 PM
Minor
6:24 AM - 7:54 AM
Detailed temperature readings across your lake.
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Fish Species
8Water Temperature History
Current
73°
Jul 12
Low
32°
Mar 12
Average
51°
Last 12 Months
Warmest avg: July (69°F)
Coolest avg: November (37°F)
Rapid warming: March → April (+10°F)
Sharpest cooling: September → October (-16°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
6am - 5am
Peak Wind
11 mph
9pm
Peak Gust
24 mph
highest gust
Pressure
29.88 inHg
steady
Visibility
34 mi
0% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5Last quarter
Water at 69°F -- warm-water species active.
Fish Species
8Nearby Lakes
FAQ
Lake Koocanusa covers 46700.00 acres (72.97 square miles)
Lake Koocanusa is located in Eureka, Lincoln County, MT. It is accessible to the public for outdoor activities.