Chehalis River at Porter
7.8 mi- Level
- 30.5 ft
- Flow
- 336 cfs
Forecast peak 30.6 ft Mon 5 AM
Reading from Sat 1:45 AM · NWS gauge page
Appearance
Observed 2:35 AM PDT at KCLS
Mostly cloudy and 36°2°.
Today: low 34°1° (likely 34°1° to 39°4°), high 59°15° (likely 56°13° to 59°15°).
Now 36°2°
Mostly 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 3a | Cloudy | 37°3° (likely 37°3° to 42°6°) | 37°3° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 96% | 76% | 0 |
| Sat 4a | Cloudy | 37°3° (likely 37°3° to 40°4°) | 37°3° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 97% | 81% | 0 |
| Sat 5a | Cloudy | 36°2° (likely 36°2° to 40°4°) | 36°2° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 97% | 80% | 0 |
| Sat 6a | Cloudy | 35°2° (likely 35°2° to 39°4°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 98% | 81% | 0 |
| Sat 7a | Cloudy | 35°2° (likely 35°2° to 39°4°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 99% | 82% | 0 |
| Sat 8a | Cloudy | 35°2° (likely 35°2° to 39°4°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 100% | 83% | 0 |
| Sat 9a | Cloudy | 38°3° (likely 38°3° to 42°6°) | 38°3° | 5% | 0 mph0 km/h, gusts 3 mph5 km/h | 94% | 82% | 0 |
| Sat 10a | Cloudy | 44°7° (likely 43°6° to 47°8°) | 44°7° | 5% | 0 mph0 km/h, gusts 3 mph4 km/h | 89% | 81% | 1 |
| Sat 11a | Cloudy | 49°9° (likely 48°9° to 51°11°) | 49°9° | 5% | 0 mph0 km/h, gusts 2 mph3 km/h | 79% | 80% | 1 |
| Sat 12p | Cloudy | 53°12° (likely 52°11° to 54°12°) | 53°12° | 5% | 0 mph0 km/h, gusts 4 mph7 km/h | 71% | 80% | 2 |
| Sat 1p | Cloudy | 56°13° (likely 54°12° to 56°13°) | 56°13° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 60% | 82% | 2 |
| Sat 2p | Cloudy | 57°14° (likely 55°13° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 54% | 81% | 2 |
| Sat 3p | Cloudy | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 51% | 81% | 1 |
| Sat 4p | Cloudy | 59°15° (likely 56°13° to 59°15°) | 59°15° | 5% | 0 mph0 km/h, gusts 5 mph9 km/h | 50% | 78% | 0 |
| Sat 5p | Cloudy | 57°14° (likely 55°13° to 58°14°) | 57°14° | 5% | 0 mph0 km/h, gusts 5 mph8 km/h | 56% | 81% | 1 |
| Sat 6p | Cloudy | 54°12° (likely 51°11° to 54°12°) | 54°12° | 5% | 0 mph0 km/h, gusts 7 mph11 km/h | 65% | 82% | 0 |
| Sat 7p | Cloudy | 51°11° (likely 48°9° to 51°11°) | 51°11° | 5% | 0 mph0 km/h, gusts 6 mph10 km/h | 76% | 82% | 0 |
| Sat 8p | Cloudy | 47°8° (likely 46°8° to 49°9°) | 47°8° | 10% | 0 mph0 km/h, gusts 5 mph9 km/h | 81% | 82% | 0 |
| Sat 9p | Cloudy | 46°8° (likely 45°7° to 48°9°) | 46°8° | 10% | 0 mph0 km/h, gusts 6 mph10 km/h | 80% | 84% | 0 |
| Sat 10p | Cloudy | 45°7° (likely 45°7° to 48°9°) | 45°7° | 10% | 0 mph0 km/h, gusts 6 mph9 km/h | 82% | 85% | 0 |
| Sat 11p | Cloudy | 44°7° (likely 44°7° to 48°9°) | 44°7° | 30%, 0.1 in2.5 mm | 0 mph0 km/h, gusts 5 mph8 km/h | 83% | 84% | 0 |
| Sun 12a | Rain | 43°6° (likely 43°6° to 47°8°) | 43°6° | 30%, 0.1 in2.5 mm | 0 mph0 km/h, gusts 5 mph8 km/h | 88% | 76% | 0 |
| Sun 1a | Cloudy | 43°6° (likely 43°6° to 46°8°) | 43°6° | 40%, 0.1 in2.5 mm | 1 mph2 km/h from ESE, gusts 5 mph8 km/h | 87% | 100% | 0 |
| Sun 2a | Rain | 43°6° (likely 43°6° to 46°8°) | 43°6° | 50%, 0.1 in2.5 mm | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 87% | 62% | 0 |
| Sun 3a | Rain | 43°6° (likely 43°6° to 47°8°) | 43°6° | 50%, 0.1 in2.5 mm | 2 mph3 km/h from E, gusts 8 mph14 km/h | 87% | 67% | 0 |
| Sun 4a | Rain | 41°5° (likely 41°5° to 48°9°) | 41°5° | 50%, 0.1 in2.5 mm | 2 mph3 km/h from E, gusts 9 mph14 km/h | 89% | 100% | 0 |
| Sun 5a | Rain | 41°5° (likely 41°5° to 48°9°) | 38°3° | 80%, 0.19 in4.8 mm | 5 mph8 km/h from ESE, gusts 9 mph14 km/h | 89% | 90% | 0 |
| Sun 6a | Rain | 41°5° (likely 41°5° to 48°9°) | 38°3° | 80%, 0.19 in4.8 mm | 5 mph8 km/h from ESE, gusts 11 mph18 km/h | 92% | 74% | 0 |
| Sun 7a | Rain | 39°4° (likely 39°4° to 48°9°) | 36°2° | 50%, 0.19 in4.8 mm | 5 mph8 km/h from ESE, gusts 11 mph17 km/h | 94% | 100% | 0 |
| Sun 8a | Rain | 40°4° (likely 40°4° to 48°9°) | 36°2° | 50%, 0.19 in4.8 mm | 6 mph10 km/h from ESE, gusts 14 mph23 km/h | 97% | 99% | 0 |
| Sun 9a | Rain | 40°4° (likely 40°4° to 51°11°) | 36°2° | 80%, 0.19 in4.8 mm | 6 mph10 km/h from ESE, gusts 15 mph24 km/h | 100% | 96% | 0 |
| Sun 10a | Rain | 45°7° (likely 45°7° to 53°12°) | 42°6° | 70%, 0.19 in4.8 mm | 6 mph10 km/h from ESE, gusts 17 mph27 km/h | 99% | 92% | 0 |
| Sun 11a | Rain | 48°9° (likely 48°9° to 55°13°) | 45°7° | 70%, 0.09 in2.3 mm | 6 mph10 km/h from SE, gusts 17 mph27 km/h | 94% | 89% | 0 |
| Sun 12p | Rain | 50°10° (likely 49°9° to 58°14°) | 48°9° | 70%, 0.09 in2.3 mm | 6 mph10 km/h from SE, gusts 17 mph27 km/h | 90% | 84% | 0 |
| Sun 1p | Rain | 53°12° (likely 50°10° to 58°14°) | 53°12° | 60%, 0.09 in2.3 mm | 6 mph10 km/h from SE, gusts 17 mph27 km/h | 83% | 81% | 0 |
| Sun 2p | Cloudy | 54°12° (likely 51°11° to 57°14°) | 54°12° | 50%, 0.09 in2.3 mm | 6 mph10 km/h from SE, gusts 18 mph28 km/h | 79% | 78% | 1 |
| Sun 3p | Cloudy | 55°13° (likely 51°11° to 56°13°) | 55°13° | 50%, 0.09 in2.3 mm | 6 mph10 km/h from SE, gusts 17 mph28 km/h | 76% | 88% | 1 |
| Sun 4p | Rain | 56°13° (likely 52°11° to 56°13°) | 56°13° | 30%, 0.09 in2.3 mm | 6 mph10 km/h from SE, gusts 17 mph28 km/h | 74% | 89% | 0 |
| Sun 5p | Rain | 54°12° (likely 51°11° to 54°12°) | 54°12° | 70%, 0.04 in1 mm | 3 mph5 km/h from SE, gusts 14 mph23 km/h | 80% | 92% | 0 |
| Sun 6p | Rain | 53°12° (likely 51°11° to 53°12°) | 53°12° | 70%, 0.04 in1 mm | 3 mph5 km/h from SE, gusts 15 mph24 km/h | 84% | 96% | 0 |
| Sun 7p | Rain | 51°11° (likely 51°11° to 53°12°) | 50°10° | 70%, 0.04 in1 mm | 3 mph5 km/h from SE, gusts 13 mph21 km/h | 90% | 94% | 0 |
| Sun 8p | Rain | 48°9° (likely 48°9° to 52°11°) | 47°8° | 70%, 0.04 in1 mm | 3 mph5 km/h from ESE, gusts 13 mph21 km/h | 95% | 91% | 0 |
| Sun 9p | Rain | 47°8° (likely 47°8° to 52°11°) | 46°8° | 70%, 0.04 in1 mm | 3 mph5 km/h from ESE, gusts 14 mph22 km/h | 96% | 97% | 0 |
| Sun 10p | Cloudy | 47°8° (likely 47°8° to 52°11°) | 46°8° | 70%, 0.04 in1 mm | 3 mph5 km/h from ESE, gusts 11 mph18 km/h | 95% | 96% | 0 |
| Sun 11p | Drizzle | 47°8° (likely 47°8° to 52°11°) | 44°7° | 80%, 0.02 in0.5 mm | 6 mph10 km/h from ESE, gusts 10 mph17 km/h | 93% | 93% | 0 |
| Mon 12a | Rain | 47°8° (likely 46°8° to 51°11°) | 44°7° | 80%, 0.02 in0.5 mm | 6 mph10 km/h from ESE, gusts 9 mph15 km/h | 94% | 98% | 0 |
| Mon 1a | Rain | 46°8° (likely 45°7° to 51°11°) | 44°7° | 80%, 0.02 in0.5 mm | 6 mph10 km/h from ESE, gusts 9 mph15 km/h | 95% | 96% | 0 |
| Mon 2a | Rain | 46°8° (likely 45°7° to 51°11°) | 44°7° | 80%, 0.02 in0.5 mm | 5 mph8 km/h from E, gusts 10 mph15 km/h | 96% | 99% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance · 0.1 in2.5 mm
Overnight
midnight–6 AM
80% chance · 0.69 in18 mm
Official NWS forecast
Today: Mostly cloudy. High near 59, with temperatures falling to around 57 in the afternoon. Wind around 0 mph.
Tonight: Mostly cloudy. Low around 34, with temperatures rising to around 36 overnight. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
80% chance · 1 in26 mm
Afternoon
noon–6 PM
70% chance · 0.49 in12 mm
Evening
6 PM–midnight
80% chance · 0.22 in5.6 mm
Overnight
midnight–6 AM
80% chance · 0.15 in3.9 mm
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 56. East southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Mostly cloudy, with a low around 41. East southeast wind around 6 mph. Chance of precipitation is 80%. 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
40% chance · 0.02 in0.5 mm
Afternoon
noon–6 PM
20% chance · 0.02 in0.4 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 60. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Night: Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
30% chance · 0.05 in1.2 mm
Evening
6 PM–midnight
30% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
60% chance · 0.13 in3.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 11am. Mostly cloudy, with a high near 60.
Night: A chance of rain. Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.08 in2.1 mm
Afternoon
noon–6 PM
60% chance · 0.14 in3.4 mm
Evening
6 PM–midnight
60% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
40% chance · 0.07 in1.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 57.
Night: A chance of rain. Mostly cloudy, with a low around 36.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
40% chance · 0.05 in1.1 mm
Afternoon
noon–6 PM
40% chance · 0.12 in3 mm
Evening
6 PM–midnight
30% chance · 0.08 in2.1 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 57.
Night: A slight chance of rain before 11pm. 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
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 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.
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
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 59°, low 34°.
77% chance of rain, high 56°, low 41°, cooling off.
Dry, high 60°, low 39°, warming up.
Highs 51–60°; chance of precipitation on 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 30.6 ft Mon 5 AM
Reading from Sat 1:45 AM · NWS gauge page
Forecast peak 129 ft Mon 5 PM
Reading from Sat 2 AM · NWS gauge page
Forecast peak 152 ft Mon 5 PM
Reading from Sat 1 AM · NWS gauge page
Forecast peak 177 ft Sat 5 AM
Reading from Sat 1 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 68% 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 12 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 36°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.
Oakville weather by month: normals, records, snow and freeze dates
Sunrise 7:43 AM, sunset 6:09 PM.
Clouds most of the night (about 80% cover).
Waxing gibbous
96% lit · growing