Columbia River at Rock Island Dam
4.0 mi- Level
- 612 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
Temperatures as low as 32 to 36 will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Wenatchee Area
See it on weather.gov (opens in a new tab)Observed 2:55 AM PDT at KEAT
Clear and 37°3°.
Today: low 34°1° (likely 34°1° to 41°5°), high 58°14° (likely 52°11° to 59°15°).
Now 37°3°
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 | Clear | 38°3° (likely 38°3° to 45°7°) | 38°3° | 0% | 2 mph3 km/h from N, gusts 3 mph5 km/h | 57% | 20% | 0 |
| Sat 4a | Partly cloudy | 37°3° (likely 37°3° to 45°7°) | 37°3° | 0% | 2 mph3 km/h from N, gusts 3 mph5 km/h | 58% | 44% | 0 |
| Sat 5a | Partly cloudy | 36°2° (likely 36°2° to 45°7°) | 36°2° | 0% | 1 mph2 km/h from N, gusts 3 mph5 km/h | 63% | 46% | 0 |
| Sat 6a | Mostly clear | 35°2° (likely 35°2° to 44°7°) | 35°2° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 61% | 24% | 0 |
| Sat 7a | Mostly cloudy | 35°2° (likely 35°2° to 44°7°) | 35°2° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 62% | 56% | 0 |
| Sat 8a | Partly sunny | 35°2° (likely 35°2° to 41°5°) | 35°2° | 0% | 0 mph0 km/h, gusts 9 mph15 km/h | 65% | 59% | 0 |
| Sat 9a | Partly sunny | 37°3° (likely 37°3° to 45°7°) | 37°3° | 0% | 1 mph2 km/h from E, gusts 9 mph15 km/h | 59% | 63% | 0 |
| Sat 10a | Partly sunny | 42°6° (likely 42°6° to 49°9°) | 40°4° | 0% | 3 mph5 km/h from SE, gusts 9 mph15 km/h | 55% | 67% | 1 |
| Sat 11a | Partly sunny | 46°8° (likely 45°7° to 51°11°) | 45°7° | 0% | 3 mph5 km/h from SE, gusts 9 mph14 km/h | 48% | 73% | 1 |
| Sat 12p | Partly sunny | 51°11° (likely 48°9° to 54°12°) | 51°11° | 0% | 3 mph5 km/h from SE, gusts 10 mph16 km/h | 43% | 77% | 2 |
| Sat 1p | Partly sunny | 54°12° (likely 50°10° to 56°13°) | 54°12° | 0% | 3 mph5 km/h from SE, gusts 10 mph17 km/h | 39% | 76% | 2 |
| Sat 2p | Cloudy | 56°13° (likely 51°11° to 58°14°) | 56°13° | 0% | 5 mph8 km/h from SE, gusts 11 mph18 km/h | 34% | 78% | 2 |
| Sat 3p | Cloudy | 57°14° (likely 51°11° to 59°15°) | 57°14° | 0% | 5 mph8 km/h from SE, gusts 13 mph20 km/h | 33% | 79% | 1 |
| Sat 4p | Cloudy | 57°14° (likely 52°11° to 59°15°) | 57°14° | 0% | 5 mph8 km/h from SE, gusts 12 mph19 km/h | 33% | 74% | 1 |
| Sat 5p | Partly sunny | 56°13° (likely 51°11° to 58°14°) | 56°13° | 0% | 3 mph5 km/h from SE, gusts 11 mph17 km/h | 37% | 72% | 1 |
| Sat 6p | Partly cloudy | 53°12° (likely 48°9° to 54°12°) | 53°12° | 0% | 1 mph2 km/h from E, gusts 9 mph15 km/h | 43% | 65% | 0 |
| Sat 7p | Partly cloudy | 46°8° (likely 46°8° to 52°11°) | 46°8° | 0% | 2 mph3 km/h from E, gusts 8 mph13 km/h | 54% | 72% | 0 |
| Sat 8p | Partly cloudy | 46°8° (likely 46°8° to 52°11°) | 46°8° | 0% | 2 mph3 km/h from E, gusts 9 mph14 km/h | 50% | 62% | 0 |
| Sat 9p | Partly cloudy | 44°7° (likely 44°7° to 51°11°) | 42°6° | 0% | 3 mph5 km/h from E, gusts 8 mph14 km/h | 55% | 63% | 0 |
| Sat 10p | Mostly cloudy | 45°7° (likely 43°6° to 50°10°) | 44°7° | 0% | 3 mph5 km/h from NE, gusts 8 mph12 km/h | 51% | 68% | 0 |
| Sat 11p | Cloudy | 44°7° (likely 43°6° to 49°9°) | 42°6° | 0% | 3 mph5 km/h from NE, gusts 7 mph11 km/h | 53% | 72% | 0 |
| Sun 12a | Cloudy | 43°6° (likely 43°6° to 49°9°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 6 mph10 km/h | 53% | 71% | 0 |
| Sun 1a | Cloudy | 43°6° (likely 42°6° to 48°9°) | 43°6° | 0% | 2 mph3 km/h from N, gusts 5 mph8 km/h | 52% | 70% | 0 |
| Sun 2a | Cloudy | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 2 mph3 km/h from N, gusts 4 mph6 km/h | 57% | 72% | 0 |
| Sun 3a | Cloudy | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 2 mph3 km/h from N, gusts 3 mph5 km/h | 58% | 74% | 0 |
| Sun 4a | Cloudy | 39°4° (likely 39°4° to 44°7°) | 37°3° | 0% | 3 mph5 km/h from N, gusts 4 mph6 km/h | 60% | 75% | 0 |
| Sun 5a | Cloudy | 38°3° (likely 38°3° to 45°7°) | 34°1° | 5% | 5 mph8 km/h from N, gusts 3 mph5 km/h | 65% | 77% | 0 |
| Sun 6a | Cloudy | 38°3° (likely 38°3° to 44°7°) | 34°1° | 5% | 5 mph8 km/h from N, gusts 4 mph6 km/h | 66% | 73% | 0 |
| Sun 7a | Cloudy | 37°3° (likely 37°3° to 45°7°) | 33°1° | 5% | 5 mph8 km/h from N, gusts 4 mph7 km/h | 68% | 73% | 0 |
| Sun 8a | Cloudy | 37°3° (likely 37°3° to 44°7°) | 32°0° | 5% | 6 mph10 km/h from N, gusts 4 mph7 km/h | 72% | 75% | 0 |
| Sun 9a | Cloudy | 39°4° (likely 39°4° to 47°8°) | 35°2° | 5% | 6 mph10 km/h from N, gusts 5 mph7 km/h | 69% | 72% | 0 |
| Sun 10a | Cloudy | 43°6° (likely 43°6° to 51°11°) | 39°4° | 5% | 6 mph10 km/h from N, gusts 5 mph8 km/h | 68% | 69% | 1 |
| Sun 11a | Cloudy | 47°8° (likely 47°8° to 55°13°) | 44°7° | 10% | 6 mph10 km/h from N, gusts 6 mph9 km/h | 61% | 71% | 2 |
| Sun 12p | Cloudy | 53°12° (likely 51°11° to 57°14°) | 53°12° | 10% | 6 mph10 km/h from N, gusts 6 mph10 km/h | 53% | 76% | 2 |
| Sun 1p | Cloudy | 56°13° (likely 54°12° to 59°15°) | 56°13° | 10% | 6 mph10 km/h from N, gusts 8 mph12 km/h | 48% | 78% | 3 |
| Sun 2p | Cloudy | 57°14° (likely 55°13° to 62°17°) | 57°14° | 10% | 6 mph10 km/h from NE, gusts 10 mph16 km/h | 43% | 79% | 3 |
| Sun 3p | Cloudy | 59°15° (likely 55°13° to 64°18°) | 59°15° | 10% | 6 mph10 km/h from NE, gusts 10 mph15 km/h | 42% | 82% | 2 |
| Sun 4p | Cloudy | 59°15° (likely 54°12° to 65°18°) | 59°15° | 10% | 6 mph10 km/h from NE, gusts 10 mph17 km/h | 42% | 82% | 1 |
| Sun 5p | Cloudy | 57°14° (likely 52°11° to 62°17°) | 57°14° | 20% | 5 mph8 km/h from NW, gusts 6 mph9 km/h | 48% | 82% | 1 |
| Sun 6p | Cloudy | 55°13° (likely 53°12° to 58°14°) | 55°13° | 20% | 5 mph8 km/h from NW, gusts 4 mph7 km/h | 52% | 76% | 0 |
| Sun 7p | Cloudy | 52°11° (likely 51°11° to 56°13°) | 52°11° | 20% | 5 mph8 km/h from NW, gusts 5 mph8 km/h | 56% | 80% | 0 |
| Sun 8p | Cloudy | 49°9° (likely 49°9° to 56°13°) | 46°8° | 20% | 7 mph11 km/h from NW, gusts 6 mph9 km/h | 59% | 80% | 0 |
| Sun 9p | Cloudy | 48°9° (likely 48°9° to 54°12°) | 45°7° | 20% | 7 mph11 km/h from NW, gusts 6 mph9 km/h | 60% | 78% | 0 |
| Sun 10p | Cloudy | 47°8° (likely 47°8° to 54°12°) | 44°7° | 20% | 7 mph11 km/h from NW, gusts 6 mph10 km/h | 60% | 78% | 0 |
| Sun 11p | Cloudy | 47°8° (likely 45°7° to 53°12°) | 45°7° | 40% | 5 mph8 km/h from NW, gusts 5 mph9 km/h | 60% | 76% | 0 |
| Mon 12a | Showers | 47°8° (likely 41°5° to 53°12°) | 45°7° | 40% | 5 mph8 km/h from NW, gusts 7 mph12 km/h | 61% | 79% | 0 |
| Mon 1a | Showers | 47°8° (likely 40°4° to 52°11°) | 45°7° | 40% | 5 mph8 km/h from NW, gusts 7 mph12 km/h | 61% | 82% | 0 |
| Mon 2a | Showers | 46°8° (likely 40°4° to 51°11°) | 44°7° | 40% | 5 mph8 km/h from NW, gusts 8 mph12 km/h | 63% | 85% | 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: Areas of frost before 9am. Mostly sunny. High near 58, with temperatures falling to around 56 in the afternoon. East wind 0 to 5 mph.
Tonight: Areas of frost. Partly cloudy. Low around 34, with temperatures rising to around 36 overnight. North wind around 2 mph.
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
40% chance
Overnight
midnight–6 AM
40% chance · 0.01 in0.3 mm
Official NWS forecast
Day: A slight chance of rain showers after 5pm. Mostly cloudy, with a high near 59. North wind around 6 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 41. Northwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
20% chance
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 60. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 38.
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 61.
Night: A chance of rain showers after 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
20% chance · 0.01 in0.3 mm
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
30% chance
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 56. Chance of precipitation is 50%.
Night: A chance of rain showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
20% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 54. Chance of precipitation is 40%.
Night: A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 33. 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
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly 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.
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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 58°, low 34°.
Dry, high 59°, low 41°.
36% chance of rain, high 60°, low 38°.
Highs 48–61°; chance of precipitation on Wednesday, Thursday.
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
Reading from Sat 1:30 AM · NWS gauge page
Reading from Fri 11:45 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 74% 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.
Dry air outside (dew point 30°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° warmer than typical.
On average 2°1° warmer than normal (daily mean temperature).
Rock Island weather by month: normals, records, snow and freeze dates
Sunrise 7:32 AM, sunset 5:56 PM.
Clouds most of the night (about 38% cover).
Waxing gibbous
96% lit · growing