Columbia River at Wanapum Dam
15 mi- Level
- 567 ft
Reading from Sat 1 AM · NWS gauge page
Appearance
Ends in 6 h 47 min
Issued for this forecast zone · National Weather Service Spokane WA
What
Sub-freezing temperatures as low as 27 to 32 expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Lewiston Area; Lower Garfield and Asotin Counties; Moses Lake Area
See it on weather.gov (opens in a new tab)Observed 2:55 AM PDT at KEPH
Freeze Warning. 43°6° and clear now.
Today: low 31°−1° (likely 29°−2° to 35°2°), high 55°13° (likely 54°12° to 58°14°).
Now 43°6°
Clear · Feels like 37°3°
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 | Clear | 35°2° (likely 34°1° to 40°4°) | 35°2° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 77% | 12% | 0 |
| Sat 4a | Clear | 34°1° (likely 32°0° to 39°4°) | 34°1° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 79% | 43% | 0 |
| Sat 5a | Partly cloudy | 33°1° (likely 31°−1° to 38°3°) | 33°1° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 81% | 47% | 0 |
| Sat 6a | Partly cloudy | 32°0° (likely 30°−1° to 37°3°) | 32°0° | 0% | 1 mph2 km/h from E, gusts 4 mph6 km/h | 81% | 31% | 0 |
| Sat 7a | Mostly cloudy | 32°0° (likely 30°−1° to 36°2°) | 32°0° | 0% | 1 mph2 km/h from E, gusts 6 mph9 km/h | 83% | 55% | 0 |
| Sat 8a | Mostly cloudy | 32°0° (likely 29°−2° to 36°2°) | 32°0° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 83% | 61% | 0 |
| Sat 9a | Partly sunny | 35°2° (likely 33°1° to 39°4°) | 35°2° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 74% | 60% | 0 |
| Sat 10a | Mostly sunny | 41°5° (likely 41°5° to 43°6°) | 41°5° | 0% | 1 mph2 km/h from E, gusts 5 mph9 km/h | 64% | 69% | 1 |
| Sat 11a | Cloudy | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 55% | 74% | 1 |
| Sat 12p | Mostly sunny | 49°9° (likely 48°9° to 51°11°) | 49°9° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 51% | 66% | 2 |
| Sat 1p | Partly sunny | 51°11° (likely 50°10° to 54°12°) | 51°11° | 0% | 2 mph3 km/h from SE, gusts 7 mph12 km/h | 48% | 77% | 2 |
| Sat 2p | Partly sunny | 53°12° (likely 52°11° to 56°13°) | 53°12° | 0% | 2 mph3 km/h from SE, gusts 8 mph13 km/h | 45% | 76% | 2 |
| Sat 3p | Cloudy | 55°13° (likely 53°12° to 58°14°) | 55°13° | 0% | 2 mph3 km/h from SE, gusts 8 mph13 km/h | 44% | 77% | 1 |
| Sat 4p | Partly sunny | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 45% | 74% | 1 |
| Sat 5p | Cloudy | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 1 mph2 km/h from SE, gusts 6 mph9 km/h | 50% | 78% | 1 |
| Sat 6p | Cloudy | 50°10° (likely 49°9° to 52°11°) | 50°10° | 0% | 1 mph2 km/h from SE, gusts 6 mph9 km/h | 58% | 69% | 0 |
| Sat 7p | Mostly cloudy | 44°7° (likely 44°7° to 49°9°) | 44°7° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 69% | 61% | 0 |
| Sat 8p | Partly cloudy | 42°6° (likely 42°6° to 47°8°) | 42°6° | 0% | 1 mph2 km/h from NE, gusts 5 mph9 km/h | 73% | 63% | 0 |
| Sat 9p | Partly cloudy | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 1 mph2 km/h from N, gusts 5 mph7 km/h | 75% | 55% | 0 |
| Sat 10p | Mostly cloudy | 41°5° (likely 39°4° to 44°7°) | 41°5° | 0% | 1 mph2 km/h from N, gusts 6 mph10 km/h | 74% | 58% | 0 |
| Sat 11p | Cloudy | 40°4° (likely 38°3° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from N, gusts 6 mph10 km/h | 73% | 69% | 0 |
| Sun 12a | Cloudy | 40°4° (likely 38°3° to 43°6°) | 40°4° | 0% | 2 mph3 km/h from N, gusts 6 mph9 km/h | 74% | 70% | 0 |
| Sun 1a | Cloudy | 39°4° (likely 38°3° to 42°6°) | 39°4° | 0% | 2 mph3 km/h from NW, gusts 5 mph7 km/h | 75% | 73% | 0 |
| Sun 2a | Partly cloudy | 38°3° (likely 35°2° to 41°5°) | 38°3° | 0% | 2 mph3 km/h from N, gusts 3 mph5 km/h | 76% | 72% | 0 |
| Sun 3a | Partly cloudy | 38°3° (likely 34°1° to 41°5°) | 38°3° | 0% | 2 mph3 km/h from NW, gusts 2 mph4 km/h | 77% | 72% | 0 |
| Sun 4a | Cloudy | 36°2° (likely 34°1° to 41°5°) | 36°2° | 0% | 2 mph3 km/h from NW, gusts 4 mph6 km/h | 79% | 80% | 0 |
| Sun 5a | Cloudy | 36°2° (likely 34°1° to 41°5°) | 36°2° | 5% | 2 mph3 km/h from NW, gusts 5 mph7 km/h | 80% | 80% | 0 |
| Sun 6a | Cloudy | 35°2° (likely 33°1° to 41°5°) | 35°2° | 5% | 2 mph3 km/h from NW, gusts 5 mph8 km/h | 81% | 77% | 0 |
| Sun 7a | Cloudy | 34°1° (likely 33°1° to 41°5°) | 34°1° | 5% | 2 mph3 km/h from NW, gusts 4 mph6 km/h | 82% | 77% | 0 |
| Sun 8a | Cloudy | 36°2° (likely 34°1° to 41°5°) | 32°0° | 5% | 5 mph8 km/h from N, gusts 3 mph5 km/h | 82% | 71% | 0 |
| Sun 9a | Cloudy | 39°4° (likely 36°2° to 45°7°) | 36°2° | 5% | 5 mph8 km/h from N, gusts 4 mph6 km/h | 78% | 70% | 0 |
| Sun 10a | Cloudy | 45°7° (likely 44°7° to 49°9°) | 43°6° | 5% | 5 mph8 km/h from N, gusts 7 mph12 km/h | 68% | 72% | 1 |
| Sun 11a | Cloudy | 48°9° (likely 48°9° to 52°11°) | 46°8° | 10% | 5 mph8 km/h from N, gusts 10 mph17 km/h | 60% | 66% | 2 |
| Sun 12p | Cloudy | 52°11° (likely 52°11° to 55°13°) | 52°11° | 10% | 5 mph8 km/h from N, gusts 10 mph16 km/h | 56% | 73% | 2 |
| Sun 1p | Cloudy | 54°12° (likely 54°12° to 57°14°) | 54°12° | 10% | 5 mph8 km/h from N, gusts 10 mph16 km/h | 55% | 78% | 3 |
| Sun 2p | Cloudy | 55°13° (likely 55°13° to 59°15°) | 55°13° | 10% | 5 mph8 km/h from NE, gusts 10 mph15 km/h | 53% | 78% | 3 |
| Sun 3p | Cloudy | 56°13° (likely 56°13° to 60°16°) | 56°13° | 10% | 5 mph8 km/h from NE, gusts 9 mph15 km/h | 53% | 81% | 2 |
| Sun 4p | Cloudy | 55°13° (likely 55°13° to 61°16°) | 55°13° | 10% | 5 mph8 km/h from NE, gusts 9 mph14 km/h | 54% | 82% | 1 |
| Sun 5p | Cloudy | 55°13° (likely 55°13° to 58°14°) | 55°13° | 10% | 3 mph5 km/h from N, gusts 6 mph10 km/h | 60% | 78% | 1 |
| Sun 6p | Cloudy | 52°11° (likely 52°11° to 55°13°) | 52°11° | 10% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 67% | 76% | 0 |
| Sun 7p | Cloudy | 49°9° (likely 49°9° to 52°11°) | 48°9° | 10% | 3 mph5 km/h from N, gusts 8 mph12 km/h | 74% | 67% | 0 |
| Sun 8p | Cloudy | 46°8° (likely 46°8° to 50°10°) | 44°7° | 10% | 5 mph8 km/h from NW, gusts 9 mph15 km/h | 79% | 74% | 0 |
| Sun 9p | Cloudy | 45°7° (likely 45°7° to 49°9°) | 43°6° | 10% | 5 mph8 km/h from NW, gusts 12 mph19 km/h | 80% | 80% | 0 |
| Sun 10p | Cloudy | 45°7° (likely 45°7° to 49°9°) | 43°6° | 10% | 5 mph8 km/h from NW, gusts 12 mph19 km/h | 79% | 81% | 0 |
| Sun 11p | Cloudy | 45°7° (likely 45°7° to 49°9°) | 43°6° | 20% | 5 mph8 km/h from NW, gusts 11 mph17 km/h | 77% | 79% | 0 |
| Mon 12a | Showers | 45°7° (likely 44°7° to 50°10°) | 43°6° | 20% | 5 mph8 km/h from NW, gusts 9 mph15 km/h | 77% | 72% | 0 |
| Mon 1a | Showers | 44°7° (likely 44°7° to 50°10°) | 41°5° | 20% | 5 mph8 km/h from NW, gusts 10 mph16 km/h | 77% | 79% | 0 |
| Mon 2a | Cloudy | 44°7° (likely 44°7° to 49°9°) | 42°6° | 20% | 3 mph5 km/h from NW, gusts 10 mph16 km/h | 77% | 67% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Widespread frost before 9am. Mostly sunny. High near 55, with temperatures falling to around 53 in the afternoon. East wind around 2 mph.
Tonight: Widespread frost. Partly cloudy. Low around 31, with temperatures rising to around 33 overnight. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
20% chance · 0.03 in0.8 mm
Official NWS forecast
Day: Cloudy, with a high near 57. North wind around 5 mph.
Night: A chance of rain showers after 11pm. Mostly cloudy, with a low around 38. Northwest wind around 5 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance · 0.03 in0.7 mm
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: A chance of rain showers before 11am. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Night: Partly cloudy, with a low around 35.
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: Mostly sunny, with a high near 58.
Night: A chance of rain showers after 5am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
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
30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance
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: A chance of rain showers before 5pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Night: Partly cloudy, with a low around 30.
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: Mostly sunny, with a high near 52.
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
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
Dry
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 55°, low 31°.
Dry, high 57°, low 38°.
Dry, high 57°, low 35°.
Mostly dry, highs 47–58°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (OTX) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 1 AM · NWS gauge page
Reading from Sat 1 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 70% 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 8 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 16°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 3°2° colder than typical.
George weather by month: normals, records, snow and freeze dates
Sunrise 7:30 AM, sunset 5:55 PM.
Clouds most of the night (about 33% cover).
Waxing gibbous
96% lit · growing