Columbia River at Wanapum Dam
4.2 mi- Level
- 566 ft
Reading from Sat 9 AM · NWS gauge page
Model estimate for 11:00 AM PDT (no recent station report)
Schwana, WA weather
Partly cloudy and 42°6°.
Today: low 38°3° (likely 32°0° to 39°4°), high 54°12° (likely 54°12° to 59°15°).
Now 42°6°
Partly sunny
- Wind
- Calm
- Light through 11 PM
- Dew point
- 28°−2°
- Dry, static shocks likely
- UV tomorrow
- 3Moderate
- Moderate 1–3 PM · peak 3
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonUp to 53°12° by 3 PM · Mostly cloudy
TonightDown to 40°4° by 4 AM · Mostly cloudy
Tomorrow morningUp to 45°7° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 55°13° by 3 PM · rain chance 10% · Mostly cloudy
Tomorrow nightDown to 44°7° by 5 AM · rain chance 20% · Mostly cloudy
Monday morningNear 45°7° · Mostly cloudy · rain chance 20%
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11a | Partly sunny | 42°6° (likely 42°6° to 49°9°) | 42°6° | 0% | 2 mph3 km/h from NE, gusts 4 mph6 km/h | 57% | 70% | 1 |
| Sat 12p | Cloudy | 47°8° (likely 47°8° to 52°11°) | 47°8° | 0% | 2 mph3 km/h from E, gusts 4 mph7 km/h | 51% | 64% | 2 |
| Sat 1p | Cloudy | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 48% | 65% | 2 |
| Sat 2p | Cloudy | 51°11° (likely 51°11° to 57°14°) | 51°11° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 45% | 59% | 2 |
| Sat 3p | Cloudy | 53°12° (likely 53°12° to 59°15°) | 53°12° | 0% | 2 mph3 km/h from SE, gusts 7 mph12 km/h | 43% | 76% | 1 |
| Sat 4p | Cloudy | 52°11° (likely 52°11° to 58°14°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 43% | 78% | 1 |
| Sat 5p | Cloudy | 52°11° (likely 52°11° to 57°14°) | 52°11° | 0% | 1 mph2 km/h from SE, gusts 6 mph10 km/h | 41% | 77% | 1 |
| Sat 6p | Cloudy | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 1 mph2 km/h from E, gusts 6 mph9 km/h | 52% | 75% | 0 |
| Sat 7p | Mostly cloudy | 47°8° (likely 47°8° to 52°11°) | 47°8° | 0% | 1 mph2 km/h from E, gusts 2 mph4 km/h | 57% | 66% | 0 |
| Sat 8p | Cloudy | 45°7° (likely 45°7° to 49°9°) | 45°7° | 0% | 1 mph2 km/h from N, gusts 2 mph4 km/h | 61% | 72% | 0 |
| Sat 9p | Cloudy | 45°7° (likely 45°7° to 48°9°) | 45°7° | 0% | 1 mph2 km/h from N, gusts 3 mph5 km/h | 64% | 73% | 0 |
| Sat 10p | Cloudy | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 1 mph2 km/h from N, gusts 4 mph6 km/h | 67% | 74% | 0 |
| Sat 11p | Cloudy | 43°6° (likely 43°6° to 46°8°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 3 mph6 km/h | 70% | 74% | 0 |
| Sun 12a | Cloudy | 42°6° (likely 42°6° to 45°7°) | 42°6° | 0% | 2 mph3 km/h from N, gusts 4 mph6 km/h | 72% | 74% | 0 |
| Sun 1a | Mostly cloudy | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 3 mph5 km/h | 74% | 72% | 0 |
| Sun 2a | Cloudy | 41°5° (likely 39°4° to 44°7°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 4 mph6 km/h | 75% | 76% | 0 |
| Sun 3a | Cloudy | 41°5° (likely 39°4° to 44°7°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 4 mph7 km/h | 74% | 78% | 0 |
| Sun 4a | Cloudy | 40°4° (likely 39°4° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from N, gusts 5 mph8 km/h | 74% | 72% | 0 |
| Sun 5a | Cloudy | 40°4° (likely 39°4° to 44°7°) | 37°3° | 5% | 3 mph5 km/h from NE, gusts 6 mph9 km/h | 74% | 72% | 0 |
| Sun 6a | Cloudy | 39°4° (likely 38°3° to 43°6°) | 36°2° | 5% | 3 mph5 km/h from N, gusts 4 mph7 km/h | 77% | 73% | 0 |
| Sun 7a | Cloudy | 38°3° (likely 38°3° to 43°6°) | 36°2° | 5% | 3 mph5 km/h from N, gusts 5 mph7 km/h | 76% | 72% | 0 |
| Sun 8a | Cloudy | 39°4° (likely 38°3° to 44°7°) | 36°2° | 5% | 3 mph5 km/h from N, gusts 4 mph7 km/h | 79% | 72% | 0 |
| Sun 9a | Cloudy | 40°4° (likely 40°4° to 46°8°) | 38°3° | 5% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 73% | 75% | 0 |
| Sun 10a | Cloudy | 43°6° (likely 43°6° to 49°9°) | 41°5° | 5% | 3 mph5 km/h from N, gusts 6 mph10 km/h | 64% | 78% | 1 |
| Sun 11a | Cloudy | 45°7° (likely 45°7° to 52°11°) | 43°6° | 5% | 5 mph8 km/h from N, gusts 8 mph12 km/h | 55% | 81% | 2 |
| Sun 12p | Cloudy | 50°10° (likely 50°10° to 54°12°) | 49°9° | 5% | 5 mph8 km/h from N, gusts 7 mph11 km/h | 50% | 81% | 2 |
| Sun 1p | Cloudy | 51°11° (likely 51°11° to 57°14°) | 51°11° | 5% | 5 mph8 km/h from N, gusts 7 mph11 km/h | 48% | 80% | 3 |
| Sun 2p | Cloudy | 53°12° (likely 53°12° to 59°15°) | 53°12° | 5% | 5 mph8 km/h from N, gusts 7 mph11 km/h | 45% | 80% | 3 |
| Sun 3p | Cloudy | 55°13° (likely 55°13° to 60°16°) | 55°13° | 5% | 5 mph8 km/h from N, gusts 6 mph10 km/h | 44% | 82% | 2 |
| Sun 4p | Cloudy | 54°12° (likely 54°12° to 60°16°) | 54°12° | 5% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 45% | 83% | 1 |
| Sun 5p | Cloudy | 54°12° (likely 54°12° to 59°15°) | 54°12° | 10% | 3 mph5 km/h from NW, gusts 6 mph9 km/h | 45% | 84% | 1 |
| Sun 6p | Cloudy | 52°11° (likely 52°11° to 57°14°) | 52°11° | 10% | 3 mph5 km/h from NW, gusts 5 mph8 km/h | 54% | 84% | 0 |
| Sun 7p | Cloudy | 50°10° (likely 50°10° to 55°13°) | 50°10° | 10% | 3 mph5 km/h from NW, gusts 4 mph7 km/h | 58% | 43% | 0 |
| Sun 8p | Cloudy | 49°9° (likely 49°9° to 53°12°) | 48°9° | 10% | 3 mph5 km/h from NW, gusts 4 mph7 km/h | 62% | 77% | 0 |
| Sun 9p | Cloudy | 48°9° (likely 48°9° to 52°11°) | 47°8° | 10% | 3 mph5 km/h from NW, gusts 5 mph8 km/h | 65% | 75% | 0 |
| Sun 10p | Cloudy | 48°9° (likely 48°9° to 51°11°) | 47°8° | 10% | 3 mph5 km/h from NW, gusts 5 mph9 km/h | 67% | 64% | 0 |
| Sun 11p | Showers | 48°9° (likely 47°8° to 51°11°) | 47°8° | 20% | 3 mph5 km/h from NW, gusts 7 mph12 km/h | 69% | 66% | 0 |
| Mon 12a | Cloudy | 47°8° (likely 47°8° to 51°11°) | 46°8° | 20% | 3 mph5 km/h from NW, gusts 5 mph9 km/h | 71% | 68% | 0 |
| Mon 1a | Cloudy | 47°8° (likely 46°8° to 51°11°) | 46°8° | 20% | 3 mph5 km/h from NW, gusts 4 mph7 km/h | 72% | 73% | 0 |
| Mon 2a | Clear | 46°8° (likely 45°7° to 51°11°) | 46°8° | 20% | 2 mph3 km/h from NW, gusts 3 mph6 km/h | 72% | 43% | 0 |
| Mon 3a | Showers | 46°8° (likely 45°7° to 50°10°) | 46°8° | 20% | 2 mph3 km/h from NW, gusts 6 mph10 km/h | 72% | 69% | 0 |
| Mon 4a | Showers | 45°7° (likely 45°7° to 50°10°) | 45°7° | 20% | 2 mph3 km/h from NW, gusts 8 mph13 km/h | 73% | 76% | 0 |
| Mon 5a | Showers | 44°7° (likely 44°7° to 50°10°) | 44°7° | 20% | 2 mph3 km/h from N, gusts 8 mph13 km/h | 73% | 76% | 0 |
| Mon 6a | Showers | 44°7° (likely 44°7° to 51°11°) | 44°7° | 20% | 2 mph3 km/h from N, gusts 5 mph8 km/h | 76% | 74% | 0 |
| Mon 7a | Showers | 43°6° (likely 43°6° to 51°11°) | 43°6° | 20% | 2 mph3 km/h from N, gusts 4 mph6 km/h | 79% | 72% | 0 |
| Mon 8a | Showers | 44°7° (likely 44°7° to 50°10°) | 44°7° | 20% | 1 mph2 km/h from NW, gusts 4 mph6 km/h | 81% | 74% | 0 |
| Mon 9a | Showers | 44°7° (likely 44°7° to 54°12°) | 44°7° | 20% | 1 mph2 km/h from NW, gusts 4 mph7 km/h | 79% | 77% | 0 |
| Mon 10a | Showers | 46°8° (likely 46°8° to 56°13°) | 46°8° | 20% | 1 mph2 km/h from NW, gusts 3 mph4 km/h | 76% | 86% | 1 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 54°12°, low 38°3°. Typical 61°16° / 43°6°. Dry. Mostly agree.
Afternoon
noon–6 PM
Cloudy, 53°12°Dry
Evening
6 PM–midnight
Cloudy, 45°7°Dry
Overnight
midnight–6 AM
Cloudy, 40°4°Dry
Official NWS forecast
Today: Partly sunny. High near 54, with temperatures falling to around 52 in the afternoon. East wind around 2 mph.
Tonight: Mostly cloudy. Low around 38, with temperatures rising to around 40 overnight. Northeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 54°12°–59°15°
- Low, likely
- 32°0°–39°4°
- Typical high / low
- 61°16° / 43°6°
- Wind
- 6 mph9 km/h, gusts 11 mph17 km/h
- UV peak
- 3
Tomorrow, Oct 25. Cloudy. High 56°13°, low 42°6°. Typical 60°16° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 55°13°Dry
Evening
6 PM–midnight
Showers, 49°9°20% chance
Overnight
midnight–6 AM
Showers, 44°7°20% chance
Official NWS forecast
Day: Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. North wind around 5 mph.
Night: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 42. Northwest wind around 3 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 56°13°–60°16°
- Low, likely
- 38°3°–42°6°
- Typical high / low
- 60°16° / 43°6°
- Wind
- 8 mph13 km/h, gusts 13 mph21 km/h
- UV peak
- 3
Monday, Oct 26. Mostly cloudy. High 55°13°, low 39°4°. Typical 60°16° / 42°6°. Dry. Mostly agree.
Morning
6 AM–noon
Showers, 44°7°20% chance
Afternoon
noon–6 PM
Cloudy, 59°15°Dry
Evening
6 PM–midnight
Mostly clear, 51°11°Dry
Overnight
midnight–6 AM
Clear, 46°8°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 11am. Partly sunny, with a high near 55. North wind around 2 mph. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 55°13°–60°16°
- Low, likely
- 39°4°–48°9°
- Typical high / low
- 60°16° / 42°6°
- Wind
- 9 mph14 km/h
- UV peak
- 2
Tuesday, Oct 27. Partly sunny. High 57°14°, low 38°3°. Typical 59°15° / 42°6°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 47°8°Dry
Afternoon
noon–6 PM
Sunny, 61°16°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 44°7°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57.
Night: Partly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 57°14°–62°17°
- Low, likely
- 38°3°–47°8°
- Typical high / low
- 59°15° / 42°6°
- Wind
- 20 mph33 km/h
- UV peak
- 3
Wednesday, Oct 28. Partly sunny. High 53°12°, low 36°2°. Typical 58°14° / 42°6°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 45°7°Dry
Afternoon
noon–6 PM
Cloudy, 57°14°Dry
Evening
6 PM–midnight
Clear, 47°8°Dry
Overnight
midnight–6 AM
Cloudy, 39°4°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 53.
Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 53°12°–58°14°
- Low, likely
- 36°2°–45°7°
- Typical high / low
- 58°14° / 42°6°
- Wind
- 10 mph17 km/h, gusts 20 mph31 km/h
- UV peak
- 2
Thursday, Oct 29. Showers. High 48°9°, low 33°1°. Typical 58°14° / 41°5°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 38°3°Dry
Afternoon
noon–6 PM
Partly sunny, 51°10°Dry
Evening
6 PM–midnight
Partly cloudy, 44°7°Dry
Overnight
midnight–6 AM
Clear, 40°4°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 11am. Partly sunny, with a high near 48. Chance of precipitation is 20%.
Night: A chance of rain showers. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 48°9°–53°12°
- Low, likely
- 33°1°–39°4°
- Typical high / low
- 58°14° / 41°5°
- Wind
- 6 mph9 km/h, gusts 19 mph31 km/h
- UV peak
- 2
Friday, Oct 30. Partly sunny. High 47°8°, low 32°0°. Typical 58°14° / 41°5°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 49°9°Dry
Evening
6 PM–midnight
Cloudy, 42°6°Dry
Overnight
midnight–6 AM
Mostly clear, 37°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 11am. Mostly sunny, with a high near 47. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 46°8°–51°11°
- Low, likely
- 32°0°–43°6°
- Typical high / low
- 58°14° / 41°5°
- Wind
- 8 mph14 km/h, gusts 21 mph34 km/h
- UV peak
- 3
Saturday, Oct 31. Cloudy. High 49°9°, low 35°2°. Typical 57°14° / 41°5°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 37°3°Dry
Afternoon
noon–6 PM
Mostly sunny, 50°10°Dry
Evening
6 PM–midnight
Partly cloudy, 42°6°Dry
Overnight
midnight–6 AM
Mostly clear, 39°4°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.
- High, likely
- 48°9°–52°11°
- Low, likely
- 29°−2°–42°6°
- Typical high / low
- 57°14° / 41°5°
- Wind
- 8 mph13 km/h, gusts 20 mph32 km/h
- UV peak
- 3
Sunday, Nov 1. Partly sunny. High 50°10°, low 38°3°. Typical 56°13° / 40°4°. Dry. Forecasts differ.
Morning
6 AM–noon
Mostly sunny, 39°4°Dry
Afternoon
noon–6 PM
Mostly sunny, 50°10°Dry
Evening
6 PM–midnight
Clear, 45°7°Dry
Overnight
midnight–6 AM
Mostly clear, 41°5°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.
- High, likely
- 45°7°–54°12°
- Low, likely
- 35°2°–40°4°
- Typical high / low
- 56°13° / 40°4°
- Wind
- 7 mph10 km/h
- UV peak
- 3
Monday, Nov 2. Cloudy. High 51°11°, low 39°4°. Typical 56°13° / 40°4°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 42°5°Dry
Afternoon
noon–6 PM
Cloudy, 51°10°Dry
Evening
6 PM–midnight
Clear, 42°5°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.
- High, likely
- 47°8°–56°13°
- Low, likely
- 36°2°–43°6°
- Typical high / low
- 56°13° / 40°4°
- Wind
- 12 mph19 km/h, gusts 30 mph49 km/h
- UV peak
- 2
The outlook
Today
Dry, high 54°, low 38°.
Tomorrow
Dry, high 56°, low 42°.
Monday
Dry, high 55°, low 39°.
Rest of week
Mostly dry, highs 47–57°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (OTX) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Columbia River below Priest Rapids Dam
14 mi- Level
- 7.5 ft
- Flow
- 46,900 cfs
Reading from Sat 9:15 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 64% less heating than a typical week.
This week 37Typical 101
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 29
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 28°F).
Open the windows?
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Is this typical?
Priest Rapids Dam · official normals 1991–2020 · records 1956–2026
Oct 24, today vs a typical year
Today’s expected high is 7°4° colder than typical.
- Normal high / low
- 61°16° / 43°6°
- Forecast high / low
- 54°12° / 38°3°
- Record high
- 73°23° in 1988
- Record low
- 29°−2° in 2002
Last 7 days vs normal
On average 3°2° warmer than normal (daily mean temperature).
- +2°+1°SunOct 18
- ±0°MonOct 19
- +7°+4°TueOct 20
- +1°WedOct 21
- +3°+1°ThuOct 22
- +5°+3°FriOct 23
- —SatOct 24
Schwana weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:30 AM, sunset 5:56 PM.
- Daylight
- 10 h 26 min
- Losing 3 min 12 s a day; shortest Dec 21, 1 h 54 min less
- Golden hour
- 5:13–6:15 PM
- Morning 7:11–8:13 AM
- Blue hour
- 6:15–6:27 PM
- Morning 6:59–7:11 AM; first light 6:59 AM
Stars tonight? Poor
Clouds most of the night (about 73% cover).
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:46 AM · rises 4:57 PM
- Full moon
- Oct 25
- New moon
- Nov 8
