Columbia River at St. Helens
1.1 mi- Level
- 0.7 ft
Forecast peak 5.4 ft Wed 6 PM
Reading from Sat 11 AM · NWS gauge page
Appearance
Observed 11:40 AM PDT at KVUO
Overcast and 45°7°, rain tomorrow ~6 AM–11 PM (74%).
Today: low 41°5° (likely 34°1° to 41°5°), high 62°17° (likely 55°13° to 62°17°).
Now 45°7°
Cloudy
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 12p | Cloudy | 53°12° (likely 47°8° to 53°12°) | 53°12° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 72% | 81% | 1 |
| Sat 1p | Cloudy | 57°14° (likely 52°11° to 57°14°) | 57°14° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 64% | 82% | 2 |
| Sat 2p | Cloudy | 60°16° (likely 54°12° to 60°16°) | 60°16° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 56% | 82% | 2 |
| Sat 3p | Cloudy | 60°16° (likely 55°13° to 60°16°) | 60°16° | 0% | 1 mph2 km/h from SSE, gusts 7 mph12 km/h | 54% | 82% | 1 |
| Sat 4p | Cloudy | 61°16° (likely 55°13° to 61°16°) | 61°16° | 0% | 1 mph2 km/h from SSE, gusts 8 mph12 km/h | 54% | 82% | 1 |
| Sat 5p | Cloudy | 60°16° (likely 55°13° to 60°16°) | 60°16° | 0% | 1 mph2 km/h from SE, gusts 7 mph11 km/h | 52% | 82% | 1 |
| Sat 6p | Cloudy | 58°14° (likely 52°11° to 58°14°) | 58°14° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 58% | 83% | 0 |
| Sat 7p | Cloudy | 56°13° (likely 50°10° to 56°13°) | 56°13° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 64% | 83% | 0 |
| Sat 8p | Cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 68% | 81% | 0 |
| Sat 9p | Cloudy | 51°11° (likely 47°8° to 51°11°) | 51°11° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 70% | 79% | 0 |
| Sat 10p | Cloudy | 50°10° (likely 46°8° to 50°10°) | 50°10° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 72% | 78% | 0 |
| Sat 11p | Cloudy | 48°9° (likely 45°7° to 48°9°) | 48°9° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 74% | 79% | 0 |
| Sun 12a | Cloudy | 47°8° (likely 44°7° to 47°8°) | 47°8° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 76% | 79% | 0 |
| Sun 1a | Cloudy | 47°8° (likely 43°6° to 47°8°) | 47°8° | 0% | 2 mph3 km/h from SSE, gusts 4 mph7 km/h | 76% | 77% | 0 |
| Sun 2a | Cloudy | 46°8° (likely 42°6° to 46°8°) | 45°7° | 5% | 3 mph5 km/h from SE, gusts 4 mph7 km/h | 77% | 88% | 0 |
| Sun 3a | Cloudy | 44°7° (likely 42°6° to 45°7°) | 41°5° | 5% | 5 mph8 km/h from SE, gusts 4 mph7 km/h | 77% | 90% | 0 |
| Sun 4a | Cloudy | 44°7° (likely 41°5° to 45°7°) | 41°5° | 5% | 5 mph8 km/h from SE, gusts 5 mph9 km/h | 77% | 94% | 0 |
| Sun 5a | Cloudy | 44°7° (likely 41°5° to 46°8°) | 41°5° | 30%, 0.1 in2.5 mm | 6 mph10 km/h from SE, gusts 6 mph10 km/h | 77% | 91% | 0 |
| Sun 6a | Clear | 42°6° (likely 41°5° to 47°8°) | 38°3° | 40%, 0.1 in2.5 mm | 6 mph10 km/h from SE, gusts 7 mph12 km/h | 79% | 47% | 0 |
| Sun 7a | Rain | 43°6° (likely 41°5° to 46°8°) | 40°4° | 50%, 0.1 in2.5 mm | 5 mph8 km/h from SE, gusts 12 mph19 km/h | 82% | 81% | 0 |
| Sun 8a | Rain | 43°6° (likely 43°6° to 47°8°) | 40°4° | 60%, 0.1 in2.5 mm | 5 mph8 km/h from SE, gusts 12 mph20 km/h | 85% | 100% | 0 |
| Sun 9a | Rain | 44°7° (likely 44°7° to 47°8°) | 41°5° | 50%, 0.1 in2.5 mm | 5 mph8 km/h from SE, gusts 11 mph18 km/h | 88% | 100% | 0 |
| Sun 10a | Rain | 46°8° (likely 44°7° to 48°9°) | 43°6° | 50%, 0.1 in2.5 mm | 6 mph10 km/h from SSE, gusts 10 mph15 km/h | 90% | 100% | 0 |
| Sun 11a | Rain | 49°9° (likely 45°7° to 49°9°) | 47°8° | 70%, 0.17 in4.3 mm | 6 mph10 km/h from SSE, gusts 11 mph17 km/h | 88% | 100% | 0 |
| Sun 12p | Rain | 50°10° (likely 46°8° to 50°10°) | 48°9° | 70%, 0.17 in4.3 mm | 6 mph10 km/h from SSE, gusts 10 mph15 km/h | 89% | 100% | 0 |
| Sun 1p | Rain | 53°12° (likely 47°8° to 53°12°) | 53°12° | 70%, 0.17 in4.3 mm | 6 mph10 km/h from SSE, gusts 10 mph17 km/h | 86% | 100% | 0 |
| Sun 2p | Rain | 54°12° (likely 48°9° to 54°12°) | 54°12° | 70%, 0.17 in4.3 mm | 7 mph11 km/h from SSE, gusts 11 mph17 km/h | 83% | 100% | 0 |
| Sun 3p | Rain | 55°13° (likely 49°9° to 55°13°) | 55°13° | 70%, 0.17 in4.3 mm | 6 mph10 km/h from SSE, gusts 11 mph18 km/h | 82% | 97% | 0 |
| Sun 4p | Rain | 56°13° (likely 49°9° to 56°13°) | 56°13° | 70%, 0.17 in4.3 mm | 6 mph10 km/h from SSE, gusts 14 mph22 km/h | 83% | 98% | 1 |
| Sun 5p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 70%, 0.1 in2.5 mm | 5 mph8 km/h from SSE, gusts 14 mph23 km/h | 80% | 100% | 0 |
| Sun 6p | Cloudy | 55°13° (likely 49°9° to 55°13°) | 55°13° | 60%, 0.1 in2.5 mm | 5 mph8 km/h from SSE, gusts 13 mph20 km/h | 81% | 99% | 0 |
| Sun 7p | Rain | 55°13° (likely 49°9° to 55°13°) | 55°13° | 40%, 0.1 in2.5 mm | 5 mph8 km/h from SSE, gusts 13 mph20 km/h | 84% | 96% | 0 |
| Sun 8p | Drizzle | 54°12° (likely 50°10° to 54°12°) | 54°12° | 40%, 0.1 in2.5 mm | 6 mph10 km/h from SE, gusts 15 mph24 km/h | 85% | 94% | 0 |
| Sun 9p | Drizzle | 53°12° (likely 50°10° to 53°12°) | 53°12° | 70%, 0.1 in2.5 mm | 6 mph10 km/h from SE, gusts 17 mph28 km/h | 85% | 92% | 0 |
| Sun 10p | Rain | 52°11° (likely 49°9° to 52°11°) | 52°11° | 70%, 0.1 in2.5 mm | 6 mph10 km/h from SE, gusts 17 mph27 km/h | 86% | 87% | 0 |
| Sun 11p | Cloudy | 52°11° (likely 49°9° to 52°11°) | 52°11° | 70%, 0.05 in1.3 mm | 6 mph10 km/h from SE, gusts 13 mph22 km/h | 86% | 74% | 0 |
| Mon 12a | Rain | 51°11° (likely 48°9° to 51°11°) | 51°11° | 20%, 0.05 in1.3 mm | 6 mph10 km/h from SE, gusts 14 mph22 km/h | 86% | 95% | 0 |
| Mon 1a | Rain | 51°11° (likely 48°9° to 51°11°) | 51°11° | 40%, 0.05 in1.3 mm | 6 mph10 km/h from SE, gusts 13 mph21 km/h | 86% | 98% | 0 |
| Mon 2a | Cloudy | 51°11° (likely 49°9° to 51°11°) | 51°11° | 80%, 0.05 in1.3 mm | 7 mph11 km/h from SE, gusts 13 mph21 km/h | 86% | 100% | 0 |
| Mon 3a | Rain | 50°10° (likely 49°9° to 51°11°) | 47°8° | 70%, 0.05 in1.3 mm | 7 mph11 km/h from SE, gusts 13 mph20 km/h | 87% | 100% | 0 |
| Mon 4a | Cloudy | 49°9° (likely 49°9° to 51°11°) | 46°8° | 70%, 0.05 in1.3 mm | 7 mph11 km/h from SE, gusts 12 mph20 km/h | 87% | 100% | 0 |
| Mon 5a | Rain | 49°9° (likely 49°9° to 51°11°) | 47°8° | 80%, 0.08 in2 mm | 6 mph10 km/h from SE, gusts 11 mph18 km/h | 87% | 98% | 0 |
| Mon 6a | Rain | 48°9° (likely 48°9° to 52°11°) | 45°7° | 80%, 0.08 in2 mm | 6 mph10 km/h from SE, gusts 7 mph11 km/h | 88% | 99% | 0 |
| Mon 7a | Rain | 48°9° (likely 48°9° to 51°11°) | 45°7° | 80%, 0.08 in2 mm | 6 mph10 km/h from SE, gusts 7 mph11 km/h | 90% | 100% | 0 |
| Mon 8a | Rain | 48°9° (likely 48°9° to 51°11°) | 45°7° | 80%, 0.08 in2 mm | 6 mph10 km/h from ESE, gusts 7 mph11 km/h | 93% | 100% | 0 |
| Mon 9a | Rain | 49°9° (likely 49°9° to 52°11°) | 47°8° | 80%, 0.08 in2 mm | 6 mph10 km/h from ESE, gusts 6 mph10 km/h | 95% | 97% | 0 |
| Mon 10a | Drizzle | 51°11° (likely 49°9° to 52°11°) | 51°11° | 80%, 0.08 in2 mm | 6 mph10 km/h from ESE, gusts 7 mph11 km/h | 97% | 94% | 0 |
| Mon 11a | Rain | 52°11° (likely 50°10° to 53°12°) | 52°11° | 50%, 0.01 in0.3 mm | 6 mph10 km/h from SE, gusts 8 mph12 km/h | 97% | 92% | 0 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
30% chance · 0.1 in2.5 mm
Official NWS forecast
Today: Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. South southeast wind around 1 mph.
Tonight: A chance of rain after 5am. Mostly cloudy. Low around 41, with temperatures rising to around 44 overnight. East southeast wind 0 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
70% chance · 0.67 in17 mm
Afternoon
noon–6 PM
70% chance · 0.95 in24 mm
Evening
6 PM–midnight
70% chance · 0.55 in14 mm
Overnight
midnight–6 AM
80% chance · 0.33 in8.4 mm
Official NWS forecast
Day: Rain likely. Mostly cloudy. High near 57, with temperatures falling to around 55 in the afternoon. South southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Cloudy, with a low around 46. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
80% chance · 0.41 in10 mm
Afternoon
noon–6 PM
60% chance · 0.04 in1.1 mm
Evening
6 PM–midnight
40% chance · 0.03 in0.9 mm
Overnight
midnight–6 AM
40% chance · 0.1 in2.4 mm
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 60. Southeast wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.04 in1 mm
Afternoon
noon–6 PM
50% chance · 0.04 in1 mm
Evening
6 PM–midnight
40% chance
Overnight
midnight–6 AM
60% chance · 0.11 in2.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 7am, then rain likely and areas of fog. Mostly cloudy, with a high near 60.
Night: Rain. Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
70% chance · 0.11 in2.8 mm
Afternoon
noon–6 PM
70% chance · 0.09 in2.2 mm
Evening
6 PM–midnight
60% chance · 0.01 in0.3 mm
Overnight
midnight–6 AM
50% chance · 0.11 in2.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain before 11am, then showers and thunderstorms between 11am and 5pm, then rain likely. Mostly cloudy, with a high near 57.
Night: Rain likely. Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.08 in1.9 mm
Afternoon
noon–6 PM
60% chance · 0.16 in4.1 mm
Evening
6 PM–midnight
50% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
40% chance · 0.05 in1.2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 55.
Night: Rain likely before 5am. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
20% chance · 0.05 in1.4 mm
Evening
6 PM–midnight
20% chance
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. Partly sunny, with a high near 57.
Night: Mostly cloudy, with a low around 37.
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.
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
20% chance
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 62°, low 41°.
74% chance of rain, high 57°, low 46°, cooling off.
76% chance of rain, high 60°, low 44°, warming up.
Highs 50–60°; chance of precipitation on Tuesday, Wednesday, Thursday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PQR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 5.4 ft Wed 6 PM
Reading from Sat 11 AM · NWS gauge page
Forecast peak 5.2 ft Wed 7 PM
Reading from Sat 11 AM · NWS gauge page
Forecast peak 7.5 ft Wed 5 PM
Reading from Sat 11 AM · NWS gauge page
Forecast peak 10.2 ft Thu 9 PM
Reading from Sat 9:06 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 77% 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.
Dry air outside (dew point 41°F).
Today, 2:00 PM–5:00 PM
Good stretch to open the windows.
Today’s expected high is 3°2° warmer than typical.
St. Helens weather by month: normals, records, snow and freeze dates
Sunrise 7:40 AM, sunset 6:09 PM.
Clouds most of the night (about 81% cover).
Waxing gibbous
97% lit · growing