Umpqua River - Koepke Slough Rainfall Forecast
- 80%
- 35%
- No Rain
- No Rain
- 5%
- 55%
- 75%
Umpqua River - Koepke Slough Rainfall Statistics
December Rainfall
Southwest Oregon Regional Airport (21.7 miles)
Total Rainfall December
6.2inDaily Average December
0.3inWettest Day 18 December, 2025
1.9inWet Days December
17/26 (65%)
Climate (2010–Present)
Southwest Oregon Regional Airport (21.7 miles)
Annual Average 2020–2024
53.4inMonthly Average 2020–2025
4.1inDaily Average 2020–2025
0.1inWettest Day 3 December, 2023
3in