Willamette River at Corvallis
1.1 mi- Level
- 10.3 ft
- Flow
- 4,650 cfs
Forecast peak 10.6 ft Tue 5 PM
Reading from Fri 10:15 PM · NWS gauge page
Appearance
Ends in 9 h 22 min
Issued for this forecast zone · National Weather Service Portland OR
What
Sub-freezing temperatures expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures.
Areas: North Oregon Coast Range Lowlands; North Oregon Coast Range; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills
See it on weather.gov (opens in a new tab)Model estimate for 12:00 AM PDT (no recent station report)
Freeze Warning. 43°6° and mostly clear now.
Today: low 33°1° (likely 33°1° to 39°4°), high 61°16° (likely 57°14° to 65°18°).
Now 43°6°
Mostly clear
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 12a | Mostly clear | 43°6° (likely 38°3° to 45°7°) | 43°6° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 87% | 21% | 0 |
| Sat 1a | Partly cloudy | 41°5° (likely 38°3° to 44°7°) | 41°5° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 89% | 40% | 0 |
| Sat 2a | Cloudy | 41°5° (likely 37°3° to 43°6°) | 41°5° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 90% | 69% | 0 |
| Sat 3a | Cloudy | 39°4° (likely 37°3° to 42°6°) | 39°4° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 94% | 74% | 0 |
| Sat 4a | Fog | 37°3° (likely 37°3° to 42°6°) | 37°3° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 95% | 77% | 0 |
| Sat 5a | Fog | 36°2° (likely 36°2° to 41°5°) | 36°2° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 96% | 75% | 0 |
| Sat 6a | Fog | 35°2° (likely 35°2° to 40°4°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 99% | 76% | 0 |
| Sat 7a | Fog | 34°1° (likely 34°1° to 40°4°) | 34°1° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 100% | 78% | 0 |
| Sat 8a | Fog | 34°1° (likely 34°1° to 40°4°) | 34°1° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 100% | 75% | 0 |
| Sat 9a | Fog | 37°3° (likely 37°3° to 42°6°) | 37°3° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 100% | 74% | 0 |
| Sat 10a | Cloudy | 44°7° (likely 43°6° to 48°9°) | 44°7° | 0% | 1 mph2 km/h from NE, gusts 4 mph7 km/h | 92% | 82% | 1 |
| Sat 11a | Cloudy | 48°9° (likely 47°8° to 53°12°) | 48°9° | 0% | 1 mph2 km/h from NE, gusts 4 mph7 km/h | 80% | 73% | 2 |
| Sat 12p | Cloudy | 52°11° (likely 50°10° to 57°14°) | 52°11° | 0% | 2 mph3 km/h from NE, gusts 4 mph6 km/h | 70% | 82% | 3 |
| Sat 1p | Cloudy | 57°14° (likely 53°12° to 60°16°) | 57°14° | 0% | 2 mph3 km/h from NE, gusts 3 mph5 km/h | 61% | 70% | 3 |
| Sat 2p | Cloudy | 59°15° (likely 55°13° to 62°17°) | 59°15° | 0% | 1 mph2 km/h from NE, gusts 3 mph5 km/h | 54% | 79% | 3 |
| Sat 3p | Cloudy | 59°15° (likely 57°14° to 64°18°) | 59°15° | 0% | 1 mph2 km/h from ENE, gusts 3 mph5 km/h | 51% | 81% | 3 |
| Sat 4p | Cloudy | 61°16° (likely 57°14° to 64°18°) | 61°16° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 48% | 81% | 2 |
| Sat 5p | Cloudy | 59°15° (likely 56°13° to 65°18°) | 59°15° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 50% | 84% | 1 |
| Sat 6p | Cloudy | 57°14° (likely 53°12° to 60°16°) | 57°14° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 58% | 82% | 0 |
| Sat 7p | Cloudy | 55°13° (likely 51°11° to 55°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 8 mph13 km/h | 64% | 80% | 0 |
| Sat 8p | Cloudy | 50°10° (likely 48°9° to 54°12°) | 50°10° | 0% | 0 mph0 km/h, gusts 9 mph14 km/h | 70% | 82% | 0 |
| Sat 9p | Cloudy | 49°9° (likely 47°8° to 53°12°) | 49°9° | 0% | 0 mph0 km/h, gusts 9 mph14 km/h | 73% | 83% | 0 |
| Sat 10p | Cloudy | 48°9° (likely 45°7° to 52°11°) | 48°9° | 0% | 0 mph0 km/h, gusts 9 mph15 km/h | 74% | 83% | 0 |
| Sat 11p | Cloudy | 46°8° (likely 43°6° to 51°11°) | 46°8° | 0% | 0 mph0 km/h, gusts 10 mph16 km/h | 76% | 82% | 0 |
| Sun 12a | Cloudy | 44°7° (likely 43°6° to 50°10°) | 44°7° | 0% | 0 mph0 km/h, gusts 10 mph17 km/h | 82% | 79% | 0 |
| Sun 1a | Mostly cloudy | 43°6° (likely 42°6° to 50°10°) | 43°6° | 0% | 0 mph0 km/h, gusts 9 mph15 km/h | 83% | 76% | 0 |
| Sun 2a | Mostly cloudy | 42°6° (likely 41°5° to 47°8°) | 42°6° | 0% | 2 mph3 km/h from SW, gusts 6 mph9 km/h | 85% | 74% | 0 |
| Sun 3a | Cloudy | 40°4° (likely 40°4° to 46°8°) | 40°4° | 0% | 2 mph3 km/h from SW, gusts 5 mph8 km/h | 88% | 75% | 0 |
| Sun 4a | Cloudy | 39°4° (likely 39°4° to 44°7°) | 37°3° | 0% | 3 mph5 km/h from SW, gusts 4 mph7 km/h | 89% | 73% | 0 |
| Sun 5a | Cloudy | 38°3° (likely 38°3° to 43°6°) | 34°1° | 10% | 5 mph8 km/h from S, gusts 4 mph7 km/h | 91% | 79% | 0 |
| Sun 6a | Cloudy | 37°3° (likely 37°3° to 42°6°) | 33°1° | 10% | 5 mph8 km/h from S, gusts 5 mph7 km/h | 92% | 86% | 0 |
| Sun 7a | Cloudy | 38°3° (likely 38°3° to 43°6°) | 34°1° | 10% | 5 mph8 km/h from S, gusts 6 mph10 km/h | 94% | 80% | 0 |
| Sun 8a | Partly sunny | 38°3° (likely 38°3° to 45°7°) | 34°1° | 10% | 6 mph10 km/h from S, gusts 9 mph14 km/h | 93% | 70% | 0 |
| Sun 9a | Cloudy | 41°5° (likely 41°5° to 48°9°) | 37°3° | 10% | 6 mph10 km/h from S, gusts 9 mph15 km/h | 96% | 84% | 0 |
| Sun 10a | Rain | 48°9° (likely 47°8° to 51°11°) | 45°7° | 30% | 6 mph10 km/h from S, gusts 12 mph19 km/h | 88% | 92% | 1 |
| Sun 11a | Rain | 52°11° (likely 50°10° to 55°13°) | 52°11° | 40%, 0.16 in4.1 mm | 8 mph13 km/h from S, gusts 10 mph16 km/h | 78% | 76% | 2 |
| Sun 12p | Rain | 55°13° (likely 51°11° to 58°14°) | 55°13° | 60%, 0.16 in4.1 mm | 8 mph13 km/h from S, gusts 11 mph18 km/h | 74% | 95% | 3 |
| Sun 1p | Rain | 58°14° (likely 51°11° to 61°16°) | 58°14° | 70%, 0.16 in4.1 mm | 8 mph13 km/h from S, gusts 12 mph19 km/h | 71% | 70% | 3 |
| Sun 2p | Rain | 59°15° (likely 51°11° to 59°15°) | 59°15° | 70%, 0.16 in4.1 mm | 7 mph11 km/h from S, gusts 15 mph24 km/h | 68% | 100% | 3 |
| Sun 3p | Rain | 59°15° (likely 52°11° to 59°15°) | 59°15° | 70%, 0.16 in4.1 mm | 7 mph11 km/h from S, gusts 16 mph26 km/h | 69% | 100% | 3 |
| Sun 4p | Rain | 60°16° (likely 53°12° to 60°16°) | 60°16° | 50%, 0.16 in4.1 mm | 7 mph11 km/h from S, gusts 15 mph24 km/h | 69% | 95% | 2 |
| Sun 5p | Rain | 59°15° (likely 53°12° to 59°15°) | 59°15° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from S, gusts 14 mph23 km/h | 74% | 90% | 1 |
| Sun 6p | Rain | 58°14° (likely 52°11° to 58°14°) | 58°14° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from S, gusts 11 mph17 km/h | 78% | 90% | 0 |
| Sun 7p | Cloudy | 56°13° (likely 50°10° to 56°13°) | 56°13° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from S, gusts 10 mph17 km/h | 83% | 95% | 0 |
| Sun 8p | Rain | 53°12° (likely 49°9° to 53°12°) | 53°12° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from S, gusts 11 mph18 km/h | 87% | 84% | 0 |
| Sun 9p | Rain | 52°11° (likely 51°11° to 52°11°) | 52°11° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from S, gusts 13 mph22 km/h | 88% | 85% | 0 |
| Sun 10p | Cloudy | 52°11° (likely 51°11° to 52°11°) | 52°11° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from S, gusts 13 mph20 km/h | 88% | 93% | 0 |
| Sun 11p | Rain | 51°11° (likely 49°9° to 52°11°) | 51°11° | 80%, 0.04 in1 mm | 13 mph21 km/h from S, gusts 13 mph22 km/h | 87% | 91% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Areas of fog and patchy frost before 7am, then areas of frost and areas of fog between 7am and 10am. Partly sunny. High near 61, with temperatures falling to around 59 in the afternoon. North northeast wind around 2 mph.
Tonight: Patchy frost and patchy fog after 4am. Partly cloudy. Low around 33, with temperatures rising to around 36 overnight. Wind around 0 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
40% chance · 0.16 in4.1 mm
Afternoon
noon–6 PM
70% chance · 0.87 in22 mm
Evening
6 PM–midnight
80% chance · 0.39 in9.9 mm
Overnight
midnight–6 AM
80% chance · 0.09 in2.3 mm
Official NWS forecast
Day: Rain likely after 10am. Mostly cloudy, with a high near 61. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain. Mostly cloudy, with a low around 43. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
80% chance · 0.09 in2.2 mm
Afternoon
noon–6 PM
70% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
50% chance
Overnight
midnight–6 AM
20% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 59. Chance of precipitation is 80%.
Night: A chance of rain before 5am. Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance · 0.03 in0.8 mm
Afternoon
noon–6 PM
30% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
20% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
30% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain between 11am and 5pm. Mostly cloudy, with a high near 61.
Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.06 in1.6 mm
Afternoon
noon–6 PM
40% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
40% chance
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 59.
Night: A chance of rain. Mostly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance · 0.04 in0.9 mm
Afternoon
noon–6 PM
30% chance · 0.03 in0.7 mm
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 5pm. Partly sunny, with a high near 58.
Night: Mostly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance · 0.03 in0.7 mm
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 58.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 61°, low 33°.
74% chance of rain, high 61°, low 43°.
83% chance of rain, high 59°, low 41°.
Mostly dry, highs 53–61°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PQR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 10.6 ft Tue 5 PM
Reading from Fri 10:15 PM · NWS gauge page
Forecast peak 2.1 ft Mon 5 PM
Reading from Fri 10 PM · NWS gauge page
Forecast peak 3.6 ft Tue 11 PM
Reading from Fri 11 PM · NWS gauge page
Forecast peak 2.5 ft Tue 5 AM
Reading from Fri 10:30 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 74% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 17 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 39°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is about typical for the date.
On average 5°3° warmer than normal (daily mean temperature).
Corvallis weather by month: normals, records, snow and freeze dates
Sunrise 7:40 AM, sunset 6:13 PM.
Clouds most of the night (about 64% cover).
Waxing gibbous
96% lit · growing