Cowlitz River - Longview Rainfall Forecast
- 15%
- 35%
- 80%
- 100%
- 95%
- 95%
- 95%
Cowlitz River - Longview Rainfall Statistics
December Rainfall
Southwest Washington Regional Airport (2.5 miles)
Total Rainfall December
5.1inDaily Average December
0.6inWettest Day 8 December, 2025
2.4inWet Days December
7/12 (58%)
Climate (2010–Present)
Southwest Washington Regional Airport (2.5 miles)
Annual Average 2020–2024
39.1inMonthly Average 2020–2025
3.2inDaily Average 2020–2025
0.1inWettest Day 4 November, 2022
4.2in