Upper Tumalo Reservoir Weather Forecast
- 24
- 47
Rain/Snow
- 25
- 46
Mostly Sunny
- 33
- 55
Partly Sunny
- 40
- 65
Chance Rain
- 41
- 63
Chance Rain
- 41
- 66
Chance Rain
Today 15 Apr East Slopes of the Oregon Cascades
Rain and mountain snow in the Morning, then mountain snow Showers and a chance of Thunderstorms in the afternoon. Mountain snow may be heavy at Times. Mountain snow accumulation of 5 to 10 Inches. Snow level 4500 feet in the morning. Highs in the lower 30s to lower 40s, except in the lower to mid 40s Valleys. West wind 5 to 15 Mph with Gusts to around 45 Mph. Chance of precipitation near 100 percent.
Tonight 15 Apr East Slopes of the Oregon Cascades
Mostly cloudy. Snow Showers and a chance of Thunderstorms in the Evening, then a chance of snow overnight. Snow may be heavy at Times in the evening. Snow accumulation of 2 to 5 Inches. Lows 18 to 26. West wind 5 to 15 Mph with Gusts to around 40 Mph in the Evening, becoming light. Chance of precipitation 90 percent.
Upper Tumalo Reservoir Temperature Statistics
April Temperature
Bend Airport AWOS (11.2 miles)
Lowest 3 April, 2026
23 °FAverage April
51.8 °FHighest 5 April, 2026
77 °F
Climate (2021–Present)
Bend Airport AWOS (11.2 miles)
Average Low 2021–2026
38.7 °FAverage 2021–2026
51.4 °FAverage High 2021–2026
64.7 °F