
Riffe Lake
Riffe Lake is a 23.5 mi (38 km) long reservoir on the Cowlitz River in the U.S. state of Washington. Originally named Mossyrock Lake,[4] then later Davisson Lake, it was created in 1968 with the construction of Mossyrock Dam by Tacoma Power.[2] The lake was renamed in 1976 after the community of Riffe, which was inundated by the lake. The residents of Kosmos, Washington were also relocated as the lake's water level would submerge much of the town.
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Riffe Lake
Riffe Lake is a 23.5 mi (38 km) long reservoir on the Cowlitz River in the U.S. state of Washington. Originally named Mossyrock Lake,[4] then later Davisson Lake, it was created in 1968 with the construction of Mossyrock Dam by Tacoma Power.[2] The lake was renamed in 1976 after the community of Riffe, which was inundated by the lake. The residents of Kosmos, Washington were also relocated as the lake's water level would submerge much of the town.
Read more detailsCurrent Conditions
Water Temperature
Current Snapshot
Forecast: Tuesday, Apr 29
Rain
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)
9:35 PM - 12:05 AM
7:00 AM - 7:00 AM
1:13 PM - 2:43 PM
7:00 AM - 7:00 AM
Outlook for Tuesday at Riffe Lake
Expect temperatures ranging from 41°F to 57°F. There's a 72% chance of rain, potentially bringing around 0.18" rain. Winds will be averaging 4 mph, with potential gusts reaching up to 19 mph. The maximum UV index will be 5 (Moderate), so plan sun protection accordingly. For anglers, today's fishing action is rated 4/5 (Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 9:35 PM and 7:00 AM, or try the minor windows near 1:13 PM and 7:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Riffe Lake.
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Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Riffe Lake
Current Temp
Latest recorded surface temperature.
Lowest in Period
35°F
On Apr 1
Coldest point in the Last 12 Months.
Average in Period
48°F
Typical temp during the Last 12 Months.
Temperature Trend: Last 12 Months
Surface temperature over the selected period.
Key Observations (Last 12 Months)
- Warmest avg: July (70°F).
- Coolest avg: February (38°F).
- Rapid warming often occurs: June → July (+11°F).
- Sharpest cooling trend: September → October (-10°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
273°
Pressure
1024 mb
Cloud Cover
98%
Visibility
11 miles
Daily Pressure Forecast


Frequently Asked Questions About Riffe Lake
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