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Ralph Price Reservoir (Button Rock Dam)
Lyons, CO · Boulder County
Right Now
Clear
Water
68°
Wind
4 mph
E
Gusts
9 mph
Pressure
29.70
falling
LakeMonster planner
Ralph Price Reservoir (Button Rock Dam)
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 0 mph wind.
Listed targets to ask about: Rainbow trout · Brown trout
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
84° / 60°
Wind
6 mph
gusts 17 mph
Precip
45%
UV
11
Sunrise
5:45 AM
Sunset
8:29 PM
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
Fri, Jul 17
Fri, Jul 17 scores 49/100: Rain 0%, Pressure rising.
Best for Boating
Fri, Jul 17
Fri, Jul 17 scores 80/100: Wind 10 mph, Rain 0%.
Best for Swimming
Fri, Jul 17
Fri, Jul 17 scores 75/100: Air 86°F, Rain 0%.
Best for Paddling
Sun, Jul 19
Sun, Jul 19 scores 80/100: Wind 8 mph.
Swipe to see all 9 days
| Metric | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 | Tue21 | Wed22 | Thu23 | Fri24 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Drizzle | Mostly Clear | Mostly Clear | Drizzle | Drizzle | Thunderstorms | Rain | Drizzle | Thunderstorms |
| High / Low | 84°/60° | 86°/60° | 87°/59° | 89°/61° | 89°/65° | 81°/62° | 79°/58° | 81°/60° | 80°/59° |
| Precip | 45% | 0% | 0% | 34% | 41% | 60% | 56% | 50% | 48% |
| Wind | 12 mphgust 17 | 10 mphgust 15 | 11 mphgust 19 | 8 mphgust 15 | 9 mphgust 21 | 9 mphgust 20 | 5 mphgust 15 | 5 mphgust 13 | 8 mphgust 14 |
| Pressure | 29.82" stable | 29.89" rising | 29.92" rising | 29.85" falling | 29.86" stable | 30.01" rising | 30.00" stable | 30.00" stable | 30.00" stable |
| UV Index | 11 | 11 | 10 | 11 | 8 | 9 | 8 | 8 | 9 |
| Sunrise | 5:45 AM | 5:46 AM | 5:47 AM | 5:48 AM | 5:49 AM | 5:49 AM | 5:50 AM | 5:51 AM | 5:52 AM |
| Sunset | 8:29 PM | 8:28 PM | 8:28 PM | 8:27 PM | 8:26 PM | 8:25 PM | 8:25 PM | 8:24 PM | 8:23 PM |
| Bite Rating | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent | 2/5first quarter | 2/5first quarter | 3/5first quarter | 2/5waxing gibbous |
Today Read
Ralph Price Reservoir (Button Rock Dam)Wind read
Calm
6 mph avg
Water read
68°
Warm-water bite
Air range
60° / 84°
today
Precip
45%
watch timing
Today's forecast for Ralph Price Reservoir (Button Rock Dam) has calm wind, 60F to 84F air temperatures, 45% chance of precipitation, and 68F water.
Fishing Forecast
NEW
Major
2:54 PM - 5:24 PM
Minor
7:53 AM - 9:23 AM
Detailed temperature readings across your lake.
No credit card required for preview
Fish Species
4Water Temperature History
Current
72°
Jul 19
Low
33°
Nov 30
Average
54°
Last 12 Months
Warmest avg: July (72°F)
Coolest avg: December (34°F)
Rapid warming: April → May (+13°F)
Sharpest cooling: October → November (-16°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
12am - 11pm
Peak Wind
12 mph
6pm
Peak Gust
17 mph
highest gust
Pressure
29.84 inHg
rising
Visibility
23 mi
16% 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
3/5NEW
Water at 68°F -- warm-water species active.
Fish Species
4Nearby Lakes
Lake facts
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 Ralph Price Reservoir (Button Rock Dam), updated Jul 16, 2026, shows 68°F surface water temperature, 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.
Ralph Price Reservoir (Button Rock Dam) has 190 acres based on the latest lake profile available to LakeMonster.
Ralph Price Reservoir (Button Rock Dam) is listed in Lyons, Boulder County, CO. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.
LakeMonster lists Rainbow trout, Brown trout, Cutthroat trout, Brook trout for Ralph Price Reservoir (Button Rock Dam). A species listing does not guarantee current activity; use current temperature, weather, recent reports, and local regulations when planning.