Chehalis River near Grand Mound
2.4 mi- Level
- 129 ft
- Flow
- 243 cfs
Forecast peak 129 ft Mon 5 PM
Reading from Sat 7 AM · NWS gauge page
Appearance
Observed 7:15 AM PDT at KCLS
Foggy and 32°0°.
Today: low 36°2° (likely 32°0° to 37°3°), high 59°15° (likely 56°13° to 59°15°).
Now 32°0°
Fog · Feels like 29°−2°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 8a | Cloudy | 31°−1° (likely 31°−1° to 37°3°) | 31°−1° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 100% | 86% | 0 |
| Sat 9a | Cloudy | 34°1° (likely 34°1° to 40°4°) | 34°1° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 94% | 78% | 0 |
| Sat 10a | Cloudy | 41°5° (likely 40°4° to 45°7°) | 41°5° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 94% | 78% | 1 |
| Sat 11a | Cloudy | 46°8° (likely 45°7° to 48°9°) | 46°8° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 86% | 76% | 1 |
| Sat 12p | Cloudy | 51°11° (likely 50°10° to 52°11°) | 51°11° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 75% | 80% | 2 |
| Sat 1p | Cloudy | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 64% | 82% | 2 |
| Sat 2p | Cloudy | 57°14° (likely 55°13° to 57°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 8 mph12 km/h | 56% | 84% | 2 |
| Sat 3p | Cloudy | 58°14° (likely 56°13° to 59°15°) | 58°14° | 0% | 0 mph0 km/h, gusts 8 mph12 km/h | 54% | 80% | 1 |
| Sat 4p | Cloudy | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 52% | 81% | 1 |
| Sat 5p | Cloudy | 57°14° (likely 54°12° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 57% | 77% | 1 |
| Sat 6p | Cloudy | 55°13° (likely 51°11° to 55°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 65% | 78% | 0 |
| Sat 7p | Cloudy | 51°11° (likely 48°9° to 51°11°) | 51°11° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 77% | 79% | 0 |
| Sat 8p | Cloudy | 45°7° (likely 45°7° to 48°9°) | 45°7° | 5% | 0 mph0 km/h, gusts 4 mph6 km/h | 87% | 81% | 0 |
| Sat 9p | Cloudy | 43°6° (likely 43°6° to 47°8°) | 43°6° | 5% | 0 mph0 km/h, gusts 4 mph6 km/h | 89% | 82% | 0 |
| Sat 10p | Cloudy | 41°5° (likely 41°5° to 46°8°) | 41°5° | 5% | 0 mph0 km/h, gusts 3 mph5 km/h | 91% | 84% | 0 |
| Sat 11p | Cloudy | 40°4° (likely 40°4° to 45°7°) | 40°4° | 10%, 0.05 in1.3 mm | 0 mph0 km/h, gusts 3 mph5 km/h | 94% | 81% | 0 |
| Sun 12a | Cloudy | 40°4° (likely 40°4° to 46°8°) | 40°4° | 20%, 0.05 in1.3 mm | 0 mph0 km/h, gusts 4 mph6 km/h | 94% | 94% | 0 |
| Sun 1a | Cloudy | 39°4° (likely 39°4° to 46°8°) | 39°4° | 20%, 0.05 in1.3 mm | 0 mph0 km/h, gusts 7 mph11 km/h | 93% | 97% | 0 |
| Sun 2a | Cloudy | 39°4° (likely 39°4° to 46°8°) | 39°4° | 30%, 0.05 in1.3 mm | 1 mph2 km/h from SE, gusts 7 mph12 km/h | 92% | 98% | 0 |
| Sun 3a | Rain | 39°4° (likely 39°4° to 46°8°) | 39°4° | 30%, 0.05 in1.3 mm | 1 mph2 km/h from SSE, gusts 7 mph12 km/h | 91% | 94% | 0 |
| Sun 4a | Rain | 38°3° (likely 38°3° to 46°8°) | 38°3° | 30%, 0.05 in1.3 mm | 1 mph2 km/h from SSE, gusts 9 mph15 km/h | 90% | 84% | 0 |
| Sun 5a | Rain | 39°4° (likely 39°4° to 46°8°) | 39°4° | 80%, 0.22 in5.6 mm | 2 mph3 km/h from SE, gusts 14 mph22 km/h | 89% | 87% | 0 |
| Sun 6a | Rain | 38°3° (likely 38°3° to 49°9°) | 38°3° | 80%, 0.22 in5.6 mm | 2 mph3 km/h from SE, gusts 14 mph23 km/h | 90% | 100% | 0 |
| Sun 7a | Rain | 37°3° (likely 37°3° to 48°9°) | 37°3° | 40%, 0.22 in5.6 mm | 2 mph3 km/h from SE, gusts 10 mph15 km/h | 91% | 100% | 0 |
| Sun 8a | Rain | 38°3° (likely 38°3° to 46°8°) | 34°1° | 40%, 0.22 in5.6 mm | 5 mph8 km/h from SE, gusts 18 mph28 km/h | 94% | 100% | 0 |
| Sun 9a | Rain | 38°3° (likely 38°3° to 47°8°) | 34°1° | 50%, 0.22 in5.6 mm | 5 mph8 km/h from SE, gusts 17 mph28 km/h | 100% | 99% | 0 |
| Sun 10a | Rain | 43°6° (likely 43°6° to 48°9°) | 40°4° | 50%, 0.22 in5.6 mm | 5 mph8 km/h from SE, gusts 20 mph32 km/h | 100% | 98% | 0 |
| Sun 11a | Rain | 47°8° (likely 47°8° to 49°9°) | 44°7° | 70%, 0.08 in2 mm | 6 mph10 km/h from SE, gusts 22 mph35 km/h | 98% | 97% | 0 |
| Sun 12p | Rain | 50°10° (likely 48°9° to 51°11°) | 48°9° | 70%, 0.08 in2 mm | 6 mph10 km/h from SE, gusts 20 mph32 km/h | 90% | 93% | 1 |
| Sun 1p | Rain | 53°12° (likely 49°9° to 54°12°) | 53°12° | 70%, 0.08 in2 mm | 6 mph10 km/h from SE, gusts 18 mph28 km/h | 84% | 82% | 0 |
| Sun 2p | Rain | 55°13° (likely 50°10° to 55°13°) | 55°13° | 60%, 0.08 in2 mm | 5 mph8 km/h from SSE, gusts 19 mph30 km/h | 79% | 78% | 1 |
| Sun 3p | Cloudy | 55°13° (likely 51°11° to 56°13°) | 55°13° | 50%, 0.08 in2 mm | 5 mph8 km/h from SSE, gusts 18 mph28 km/h | 78% | 88% | 0 |
| Sun 4p | Rain | 57°14° (likely 51°11° to 57°14°) | 57°14° | 40%, 0.08 in2 mm | 5 mph8 km/h from SSE, gusts 19 mph31 km/h | 75% | 93% | 1 |
| Sun 5p | Cloudy | 55°13° (likely 51°11° to 55°13°) | 55°13° | 60%, 0.04 in1 mm | 3 mph5 km/h from SE, gusts 17 mph28 km/h | 79% | 97% | 0 |
| Sun 6p | Cloudy | 54°12° (likely 50°10° to 54°12°) | 54°12° | 60%, 0.04 in1 mm | 3 mph5 km/h from SE, gusts 15 mph24 km/h | 84% | 93% | 0 |
| Sun 7p | Cloudy | 51°11° (likely 49°9° to 52°11°) | 50°10° | 60%, 0.04 in1 mm | 3 mph5 km/h from SE, gusts 11 mph17 km/h | 92% | 88% | 0 |
| Sun 8p | Rain | 47°8° (likely 47°8° to 51°11°) | 47°8° | 60%, 0.04 in1 mm | 2 mph3 km/h from SE, gusts 11 mph18 km/h | 100% | 70% | 0 |
| Sun 9p | Cloudy | 45°7° (likely 45°7° to 50°10°) | 45°7° | 60%, 0.04 in1 mm | 2 mph3 km/h from SE, gusts 12 mph19 km/h | 100% | 85% | 0 |
| Sun 10p | Rain | 44°7° (likely 44°7° to 50°10°) | 44°7° | 60%, 0.04 in1 mm | 2 mph3 km/h from SE, gusts 15 mph25 km/h | 100% | 82% | 0 |
| Sun 11p | Cloudy | 44°7° (likely 44°7° to 50°10°) | 41°5° | 70%, 0.03 in0.8 mm | 5 mph8 km/h from ESE, gusts 16 mph26 km/h | 100% | 92% | 0 |
| Mon 12a | Cloudy | 44°7° (likely 44°7° to 49°9°) | 41°5° | 70%, 0.03 in0.8 mm | 5 mph8 km/h from ESE, gusts 15 mph24 km/h | 100% | 94% | 0 |
| Mon 1a | Drizzle | 43°6° (likely 43°6° to 48°9°) | 41°5° | 70%, 0.03 in0.8 mm | 5 mph8 km/h from ESE, gusts 15 mph24 km/h | 99% | 88% | 0 |
| Mon 2a | Rain | 43°6° (likely 43°6° to 48°9°) | 41°5° | 70%, 0.03 in0.8 mm | 3 mph5 km/h from ESE, gusts 12 mph19 km/h | 99% | 55% | 0 |
| Mon 3a | Rain | 43°6° (likely 43°6° to 48°9°) | 41°5° | 70%, 0.03 in0.8 mm | 3 mph5 km/h from ESE, gusts 11 mph18 km/h | 99% | 89% | 0 |
| Mon 4a | Rain | 42°6° (likely 42°6° to 49°9°) | 41°5° | 70%, 0.03 in0.8 mm | 3 mph5 km/h from ESE, gusts 13 mph20 km/h | 99% | 99% | 0 |
| Mon 5a | Rain | 42°6° (likely 42°6° to 49°9°) | 42°6° | 30%, 0.01 in0.3 mm | 2 mph3 km/h from E, gusts 11 mph17 km/h | 99% | 87% | 0 |
| Mon 6a | Rain | 41°5° (likely 41°5° to 48°9°) | 41°5° | 30%, 0.01 in0.3 mm | 2 mph3 km/h from E, gusts 4 mph6 km/h | 99% | 92% | 0 |
| Mon 7a | Rain | 41°5° (likely 40°4° to 48°9°) | 41°5° | 30%, 0.01 in0.3 mm | 2 mph3 km/h from E, gusts 3 mph6 km/h | 100% | 99% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
80% chance · 0.47 in12 mm
Official NWS forecast
Today: Mostly cloudy. High near 59, with temperatures falling to around 57 in the afternoon. Wind around 0 mph.
Tonight: Rain after midnight. Mostly cloudy. Low around 36, with temperatures rising to around 39 overnight. Southeast wind around 2 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
80% chance · 1.2 in30 mm
Afternoon
noon–6 PM
70% chance · 0.44 in11 mm
Evening
6 PM–midnight
70% chance · 0.23 in5.8 mm
Overnight
midnight–6 AM
70% chance · 0.16 in4.1 mm
Official NWS forecast
Day: Rain. Cloudy. High near 57, with temperatures falling to around 55 in the afternoon. Southeast wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain likely. Mostly cloudy, with a low around 39. East southeast wind around 5 mph. Chance of precipitation is 70%. 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
50% chance · 0.03 in0.7 mm
Afternoon
noon–6 PM
30% chance
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: A chance of rain before 5pm. Mostly cloudy, with a high near 59. East northeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Night: A slight chance of rain after 5am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
30% chance · 0.04 in1.1 mm
Afternoon
noon–6 PM
40% chance · 0.04 in1 mm
Evening
6 PM–midnight
40% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
80% chance · 0.11 in2.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Mostly cloudy, 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
70% chance · 0.1 in2.5 mm
Afternoon
noon–6 PM
80% chance · 0.12 in3.1 mm
Evening
6 PM–midnight
70% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
50% chance · 0.02 in0.5 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 33.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
40% chance · 0.05 in1.1 mm
Afternoon
noon–6 PM
60% chance · 0.12 in3.1 mm
Evening
6 PM–midnight
50% chance · 0.12 in3 mm
Overnight
midnight–6 AM
30% chance · 0.14 in3.7 mm
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 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance · 0.02 in0.6 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: Partly sunny, with a high near 57.
Night: Partly cloudy, with a low around 32.
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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 59°, low 36°.
78% chance of rain, high 57°, low 39°.
30% chance of rain, high 59°, low 38°.
Highs 50–59°; 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 129 ft Mon 5 PM
Reading from Sat 7 AM · NWS gauge page
Forecast peak 177 ft Sun 11 AM
Reading from Sat 7 AM · NWS gauge page
Forecast peak 152 ft Mon 5 PM
Reading from Sat 7 AM · NWS gauge page
Forecast peak 204 ft Sun 11 AM
Reading from Sat 6:45 AM · NWS gauge page
Sunrise 7:42 AM, sunset 6:08 PM.
Clouds most of the night (about 88% cover).
Waxing gibbous
97% lit · growing