THUNDERSTORM PROBABILITIES (OREGON) OREGON DEPARTMENT OF FORESTRY WEATHER FORECAST OFFICE 12:00 p.m. PDT Wed Apr 15th, 2026 Western Oregon THU 16 FRI 17 SAT 18 SUN 19 MON 20 TUE 21 WED 22 ============== ====== ====== ====== ====== ====== ====== ====== Astoria 11 1 2 2 2 6 11 Newport 12 2 1 2 5 6 10 North Bend 7 2 1 3 3 9 7 Scappoose 11 1 1 1 3 8 10 Portland 8 0 1 2 5 15 12 McMinnville 11 1 1 1 4 6 10 Salem 11 1 1 1 4 7 9 Corvallis 11 1 1 1 6 8 9 Eugene 11 0 0 2 8 11 9 Roseburg 9 0 1 2 8 13 8 Sexton Summit 5 1 1 3 6 15 6 Medford 4 1 1 3 7 18 5 Central & Eastern THU 16 FRI 17 SAT 18 SUN 19 MON 20 TUE 21 WED 22 ================= ====== ====== ====== ====== ====== ====== ====== The Dalles 1 1 1 1 4 17 9 Redmond 5 0 1 2 7 18 8 Klamath Falls 3 1 1 1 5 11 6 Lakeview 5 1 1 1 7 8 7 Hermiston 3 0 1 1 5 10 16 Pendleton 3 0 1 1 5 10 16 Mecham 7 0 1 2 8 10 19 La Grande 11 0 0 1 7 9 18 Baker 11 0 0 1 6 8 18 Ontario 18 0 0 1 2 10 17 Burns 10 0 1 1 4 11 13 Rome 17 0 1 1 2 11 12 A "Thunderstorm Probabilities Matrix" is also available on the web at: http://weather.smkmgt.com/tools/tstm/tstm.htm $$