Cowlitz River - Kelso Rainfall Forecast

Today 14 Dec
90%
Mon 15 Dec
100%
Tue 16 Dec
100%
Wed 17 Dec
90%
Thu 18 Dec
100%
Fri 19 Dec
95%
Sat 20 Dec
95%

Cowlitz River - Kelso Rainfall Statistics

December Rainfall

Southwest Washington Regional Airport (1.9 miles)

Total Rainfall 2025
31.8in
Daily Average 2025
0.1in
Wettest Day 8 December, 2025
2.4in
Wet Days 2025
133/348 (38%)
Total Rainfall November
5.3in
Daily Average November
0.2in
Wettest Day 6 November, 2025
0.7in
Wet Days November
20/30 (67%)
Total Rainfall December
6.1in
Daily Average December
0.6in
Wettest Day 8 December, 2025
2.4in
Wet Days December
9/14 (64%)

Climate (2010–Present)

Southwest Washington Regional Airport (1.9 miles)

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Annual Average 2020–2024
39.1in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 4 November, 2022
4.2in

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