Loading lake details...
Loading lake details...

Timnath, CO · Larimer County
Right Now
Mostly Clear
Water
68°
Wind
5 mph
ESE
Gusts
8 mph
Pressure
29.75
falling
Forecast - Fri, Jun 26
High / Low
87° / 53°
Wind
4 mph
gusts 15 mph
Precip
53%
UV
9
Sunrise
11:31 AM
Sunset
2:34 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Fri, Fri, Jul 3
Fri, Jul 3 scores 62/100 — Solunar 3/5, Wind 7 mph.
Best for Boating
Fri, Fri, Jul 3
Fri, Jul 3 scores 85/100 — Wind 7 mph, Rain 0%.
Best for Swimming
Fri, Fri, Jul 3
Fri, Jul 3 scores 75/100 — Air 94°F, Rain 0%.
Best for Paddling
Fri, Fri, Jul 3
Fri, Jul 3 scores 85/100 — Wind 7 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 | Fri3 | Sat4 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Partly Cloudy | Mostly Clear | Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| High / Low | 87°/53° | 92°/59° | 90°/59° | 87°/58° | 83°/54° | 86°/57° | 90°/60° | 94°/60° | 95°/67° |
| Precip | 53% | 40% | 25% | 0% | 22% | 0% | 0% | 0% | 0% |
| Wind | 9 mphgust 15 | 17 mphgust 27 | 11 mphgust 29 | 15 mphgust 29 | 15 mphgust 19 | 11 mphgust 20 | 12 mphgust 19 | 7 mphgust 16 | 13 mphgust 23 |
| Pressure | 29.72" stable | 29.52" falling | 29.48" falling | 29.61" rising | 29.76" rising | 29.69" falling | 29.70" rising | 29.79" rising | 29.76" falling |
| UV Index | 9 | 9 | 10 | 10 | 10 | 8 | 9 | 10 | 10 |
| Sunrise | 11:31 AM | 11:31 AM | 11:32 AM | 11:32 AM | 11:33 AM | 11:33 AM | 11:34 AM | 11:34 AM | 11:35 AM |
| Sunset | 2:34 AM | 2:34 AM | 2:34 AM | 2:34 AM | 2:34 AM | 2:34 AM | 2:34 AM | 2:34 AM | 2:33 AM |
| Bite Rating | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 5/5FULL | 3/5FULL | 2/5waning gibbous | 3/5waning gibbous | 2/5waning gibbous |
Today Read
Fossil Creek ReservoirWind read
Calm
4 mph avg
Water read
68°
Warm-water bite
Air range
53° / 87°
today
Precip
53%
watch timing
Today's forecast for Fossil Creek Reservoir has calm wind, 53F to 87F air temperatures, 53% chance of precipitation, and 68F water.
AI read · today
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is weak timing.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing gibbous
Major
6:00 AM - 6:00 AM
Minor
11:46 PM - 1:16 AM
Detailed temperature readings across your lake.
No credit card required for preview
Fish Species
8Water Temperature History
Current
72°
Jul 5
Low
34°
Nov 30
Average
59°
Last 12 Months
Warmest avg: August (77°F)
Coolest avg: December (34°F)
Rapid warming: March → April (+11°F)
Sharpest cooling: September → October (-18°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
6am - 5am
Peak Wind
12 mph
11pm
Peak Gust
19 mph
highest gust
Pressure
29.83 inHg
steady
Visibility
11 mi
24% 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
2/5waxing gibbous
Water at 68°F -- warm-water species active.
Fish Species
8Nearby Lakes
FAQ
Fossil Creek Reservoir covers 669.37 acres (1.05 square miles) with a maximum depth of 3.08 meters (~10 feet).
Fossil Creek Reservoir is located in Timnath, Larimer County, CO. It is accessible to the public for outdoor activities.