Stillaguamish River at Arlington
2.4 mi- Level
- 0.0 ft
- Flow
- 352 cfs
Forecast peak 0.3 ft Mon 4 AM
Reading from Sat 2:05 AM · NWS gauge page
Appearance
Observed 2:55 AM PDT at KAWO
Clear and 34°1°.
Today: low 35°2° (likely 35°2° to 40°4°), high 56°13° (likely 51°11° to 56°13°).
Now 34°1°
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 3a | Cloudy | 37°3° (likely 37°3° to 42°6°) | 37°3° | 0% | 2 mph3 km/h from E, gusts 4 mph7 km/h | 100% | 74% | 0 |
| Sat 4a | Cloudy | 36°2° (likely 36°2° to 41°5°) | 36°2° | 0% | 2 mph3 km/h from E, gusts 3 mph6 km/h | 100% | 74% | 0 |
| Sat 5a | Cloudy | 36°2° (likely 36°2° to 41°5°) | 36°2° | 0% | 2 mph3 km/h from E, gusts 4 mph6 km/h | 100% | 77% | 0 |
| Sat 6a | Cloudy | 35°2° (likely 35°2° to 42°6°) | 35°2° | 5% | 2 mph3 km/h from ESE, gusts 4 mph6 km/h | 100% | 91% | 0 |
| Sat 7a | Cloudy | 35°2° (likely 35°2° to 42°6°) | 35°2° | 5% | 2 mph3 km/h from ESE, gusts 3 mph5 km/h | 100% | 79% | 0 |
| Sat 8a | Cloudy | 35°2° (likely 35°2° to 41°5°) | 35°2° | 5% | 2 mph3 km/h from ESE, gusts 3 mph5 km/h | 100% | 78% | 0 |
| Sat 9a | Cloudy | 36°2° (likely 36°2° to 43°6°) | 36°2° | 5% | 1 mph2 km/h from ESE, gusts 3 mph4 km/h | 100% | 88% | 0 |
| Sat 10a | Cloudy | 41°5° (likely 41°5° to 47°8°) | 41°5° | 10% | 1 mph2 km/h from SE, gusts 3 mph4 km/h | 94% | 94% | 1 |
| Sat 11a | Cloudy | 46°8° (likely 46°8° to 51°11°) | 46°8° | 5% | 0 mph0 km/h, gusts 4 mph6 km/h | 84% | 99% | 1 |
| Sat 12p | Cloudy | 50°10° (likely 48°9° to 52°11°) | 50°10° | 5% | 0 mph0 km/h, gusts 5 mph8 km/h | 74% | 97% | 2 |
| Sat 1p | Cloudy | 54°12° (likely 49°9° to 54°12°) | 54°12° | 5% | 0 mph0 km/h, gusts 5 mph7 km/h | 68% | 97% | 2 |
| Sat 2p | Cloudy | 54°12° (likely 50°10° to 55°13°) | 54°12° | 5% | 1 mph2 km/h from SSW, gusts 5 mph7 km/h | 65% | 97% | 1 |
| Sat 3p | Cloudy | 54°12° (likely 50°10° to 56°13°) | 54°12° | 5% | 1 mph2 km/h from SW, gusts 4 mph7 km/h | 65% | 98% | 1 |
| Sat 4p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 10% | 2 mph3 km/h from S, gusts 3 mph5 km/h | 67% | 99% | 1 |
| Sat 5p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 5% | 2 mph3 km/h from SE, gusts 3 mph5 km/h | 70% | 91% | 0 |
| Sat 6p | Cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 5% | 1 mph2 km/h from ESE, gusts 3 mph4 km/h | 72% | 86% | 0 |
| Sat 7p | Cloudy | 50°10° (likely 47°8° to 50°10°) | 50°10° | 5% | 2 mph3 km/h from ESE, gusts 3 mph5 km/h | 76% | 87% | 0 |
| Sat 8p | Cloudy | 47°8° (likely 46°8° to 50°10°) | 47°8° | 5% | 2 mph3 km/h from SE, gusts 4 mph6 km/h | 79% | 79% | 0 |
| Sat 9p | Cloudy | 46°8° (likely 46°8° to 50°10°) | 45°7° | 5% | 3 mph5 km/h from SE, gusts 5 mph8 km/h | 81% | 93% | 0 |
| Sat 10p | Cloudy | 45°7° (likely 45°7° to 51°11°) | 44°7° | 5% | 3 mph5 km/h from SE, gusts 4 mph6 km/h | 83% | 91% | 0 |
| Sat 11p | Cloudy | 44°7° (likely 44°7° to 50°10°) | 42°6° | 10%, 0.02 in0.5 mm | 3 mph5 km/h from SE, gusts 3 mph5 km/h | 83% | 96% | 0 |
| Sun 12a | Cloudy | 44°7° (likely 44°7° to 47°8°) | 42°6° | 10%, 0.02 in0.5 mm | 3 mph5 km/h from SE, gusts 3 mph5 km/h | 84% | 100% | 0 |
| Sun 1a | Cloudy | 43°6° (likely 43°6° to 46°8°) | 41°5° | 10%, 0.02 in0.5 mm | 3 mph5 km/h from SE, gusts 3 mph5 km/h | 85% | 99% | 0 |
| Sun 2a | Cloudy | 43°6° (likely 43°6° to 46°8°) | 41°5° | 10%, 0.02 in0.5 mm | 3 mph5 km/h from ESE, gusts 5 mph7 km/h | 85% | 100% | 0 |
| Sun 3a | Cloudy | 42°6° (likely 42°6° to 46°8°) | 40°4° | 20%, 0.02 in0.5 mm | 3 mph5 km/h from ESE, gusts 7 mph11 km/h | 85% | 100% | 0 |
| Sun 4a | Cloudy | 41°5° (likely 41°5° to 47°8°) | 41°5° | 20%, 0.02 in0.5 mm | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 85% | 98% | 0 |
| Sun 5a | Cloudy | 41°5° (likely 41°5° to 47°8°) | 41°5° | 40%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 85% | 100% | 0 |
| Sun 6a | Cloudy | 41°5° (likely 41°5° to 47°8°) | 41°5° | 40%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 88% | 97% | 0 |
| Sun 7a | Rain | 40°4° (likely 40°4° to 47°8°) | 40°4° | 20%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 8 mph13 km/h | 89% | 96% | 0 |
| Sun 8a | Cloudy | 40°4° (likely 40°4° to 48°9°) | 40°4° | 10%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 91% | 98% | 0 |
| Sun 9a | Cloudy | 40°4° (likely 40°4° to 49°9°) | 40°4° | 10%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 6 mph9 km/h | 97% | 94% | 0 |
| Sun 10a | Cloudy | 43°6° (likely 43°6° to 51°11°) | 43°6° | 5%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 4 mph7 km/h | 98% | 98% | 1 |
| Sun 11a | Cloudy | 48°9° (likely 48°9° to 57°14°) | 48°9° | 10%, 0.01 in0.3 mm | 1 mph2 km/h from ESE, gusts 4 mph6 km/h | 90% | 99% | 1 |
| Sun 12p | Cloudy | 52°11° (likely 49°9° to 58°14°) | 52°11° | 20%, 0.01 in0.3 mm | 1 mph2 km/h from ESE, gusts 4 mph7 km/h | 80% | 100% | 2 |
| Sun 1p | Rain | 55°13° (likely 49°9° to 59°15°) | 55°13° | 50%, 0.01 in0.3 mm | 1 mph2 km/h from ESE, gusts 4 mph6 km/h | 73% | 100% | 2 |
| Sun 2p | Rain | 56°13° (likely 50°10° to 60°16°) | 56°13° | 50%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 4 mph7 km/h | 70% | 100% | 2 |
| Sun 3p | Cloudy | 56°13° (likely 51°11° to 61°16°) | 56°13° | 10%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 3 mph5 km/h | 69% | 95% | 2 |
| Sun 4p | Mostly cloudy | 57°14° (likely 50°10° to 61°16°) | 57°14° | 5%, 0.01 in0.3 mm | 2 mph3 km/h from ESE, gusts 3 mph5 km/h | 72% | 49% | 1 |
| Sun 5p | Rain | 54°12° (likely 50°10° to 59°15°) | 54°12° | 20% | 3 mph5 km/h from ESE, gusts 4 mph7 km/h | 77% | 40% | 1 |
| Sun 6p | Rain | 53°12° (likely 49°9° to 55°13°) | 53°12° | 20% | 3 mph5 km/h from ESE, gusts 4 mph7 km/h | 79% | 48% | 0 |
| Sun 7p | Rain | 51°11° (likely 48°9° to 52°11°) | 50°10° | 20% | 3 mph5 km/h from ESE, gusts 4 mph6 km/h | 83% | 55% | 0 |
| Sun 8p | Rain | 48°9° (likely 47°8° to 50°10°) | 47°8° | 20% | 3 mph5 km/h from ENE, gusts 4 mph6 km/h | 88% | 57% | 0 |
| Sun 9p | Cloudy | 47°8° (likely 47°8° to 49°9°) | 45°7° | 20% | 3 mph5 km/h from ENE, gusts 4 mph6 km/h | 90% | 64% | 0 |
| Sun 10p | Cloudy | 46°8° (likely 46°8° to 48°9°) | 44°7° | 20% | 3 mph5 km/h from ENE, gusts 2 mph4 km/h | 91% | 65% | 0 |
| Sun 11p | Mostly cloudy | 45°7° (likely 45°7° to 48°9°) | 44°7° | 10% | 3 mph5 km/h from ENE, gusts 4 mph6 km/h | 92% | 68% | 0 |
| Mon 12a | Mostly cloudy | 44°7° (likely 44°7° to 48°9°) | 43°6° | 10% | 3 mph5 km/h from ENE, gusts 4 mph6 km/h | 93% | 83% | 0 |
| Mon 1a | Cloudy | 44°7° (likely 44°7° to 47°8°) | 42°6° | 10% | 3 mph5 km/h from ENE, gusts 4 mph6 km/h | 94% | 88% | 0 |
| Mon 2a | Mostly cloudy | 43°6° (likely 43°6° to 47°8°) | 43°6° | 10% | 2 mph3 km/h from ENE, gusts 3 mph5 km/h | 95% | 91% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
40% chance · 0.11 in2.8 mm
Official NWS forecast
Today: Mostly cloudy. High near 56, with temperatures falling to around 53 in the afternoon. South southeast wind around 2 mph.
Tonight: Mostly cloudy, with a low around 35. East wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
50% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 58. East southeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 39. East northeast wind around 3 mph. Chance of precipitation is 20%.
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
30% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 58.
Night: A chance of rain after 11pm. Mostly cloudy, with a low around 38.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
50% chance · 0.04 in1 mm
Afternoon
noon–6 PM
50% chance · 0.13 in3.2 mm
Evening
6 PM–midnight
70% chance · 0.27 in6.8 mm
Overnight
midnight–6 AM
70% chance · 0.25 in6.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 57.
Night: Rain likely. Mostly cloudy, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
70% chance · 0.1 in0.3 cm
Afternoon
noon–6 PM
70% chance · 0.17 in4.3 mm
Evening
6 PM–midnight
60% chance · 0.1 in2.6 mm
Overnight
midnight–6 AM
50% chance · 0.1 in2.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 55.
Night: A chance of rain. Mostly cloudy, with a low around 34.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.12 in3 mm
Afternoon
noon–6 PM
30% chance · 0.05 in1.2 mm
Evening
6 PM–midnight
20% chance · 0.02 in0.5 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 55.
Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 33.
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.
Official NWS forecast
Day: Partly sunny, with a high near 55.
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.
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
20% chance · 0.05 in1.2 mm
Afternoon
noon–6 PM
20% chance · 0.04 in0.9 mm
Evening
6 PM–midnight
20% chance
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 56°, low 35°.
50% chance of rain, high 58°, low 39°.
Dry, high 58°, low 38°.
Highs 49–57°; chance of precipitation on Tuesday, Wednesday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (SEW) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 0.3 ft Mon 4 AM
Reading from Sat 2:05 AM · NWS gauge page
Forecast peak 1.8 ft Mon 4 AM
Reading from Sat 1:15 AM · NWS gauge page
Forecast peak 202 ft Mon 4 AM
Reading from Sat 12:30 AM · NWS gauge page
Forecast peak 9.9 ft Wed 5 PM
Reading from Sat 1:45 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 66% 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 14 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 34°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 2°1° colder than typical.
On average 5°3° colder than normal (daily mean temperature).
Arlington weather by month: normals, records, snow and freeze dates
Sunrise 7:41 AM, sunset 6:02 PM.
Clouds most of the night (about 79% cover).
Waxing gibbous
96% lit · growing