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Nyssa, OR Weather
Current conditions
Observed at Ontario Municipal Airport · 18 min ago
Forecast
10-day-
Tonight
A chance of showers and thunderstorms before 8pm, then patchy fog and showers and thunderstorms. Mostly cloudy, with a low around 46. North northwest wind 5 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
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Friday
Rain showers before noon. Mostly cloudy, with a high near 59. Northwest wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
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Friday Night
Clear, with a low around 33. Northwest wind 5 to 17 mph, with gusts as high as 31 mph.
National Weather Service forecast updated 19 hrs ago.
Hourly
Hourly forecast- Now66°41%
- 8 PM61°41%
- 9 PM59°41%
- 10 PM58°41%
- 11 PM57°41%
- Fri12 AM56°96%
- 1 AM54°96%
- 2 AM53°96%
- 3 AM52°96%
- 4 AM50°96%
- 5 AM49°96%
- 6 AM49°83%
- 7 AM47°83%
- 8 AM46°83%
- 9 AM47°83%
- 10 AM50°83%
- 11 AM52°83%
- 12 PM53°10%
- 1 PM55°
- 2 PM57°
- 3 PM58°
- 4 PM59°
- 5 PM59°
- 6 PM58°
10-day forecast
Details- TodayOct 22Slight Chance Rain Showers then Chance Showers And Thunderstorms96%46°72°
- FriOct 23Rain Showers then Mostly Cloudy83%33°59°
- SatOct 24Sunny32°60°
- SunOct 25Areas Of Fog then Mostly Sunny35°63°
- MonOct 26Areas Of Fog then Mostly Sunny12%35°63°
- TueOct 27Areas Of Fog then Mostly Sunny34°61°
- WedOct 28Areas Of Fog then Mostly Sunny34°60°
- ThuOct 29Sunny37°57°
- FriOct 30Sunny34°58°
- SatOct 31Cloudy39°59°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Oregon
More weather news-
Dangerous Frost Warning Issued for 30+ Counties in Washington and Oregon as Temperatures Drop FastNWS Portland has issued Frost Advisories for two straight nights, Thursday night and Friday night, across northwest Oregon and southwest Washington. A Freeze Watch is also in effect Friday night for the Willamette…
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Drought Covers Nearly Nine-Tenths of Oregon as Water Concerns Carry Into FallDrought covers nearly nine-tenths of Oregon as the state enters its autumn recharge season with a substantial precipitation deficit, active drought emergencies across Southern Oregon and firefighters still working to…
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Elevated Sneaker Wave Threat Along N. Oregon Coast, S. Washington CoastPublished 10/20/2026 at 7:55 p.m. By Oregon Coast Beach Connection Staff (Waldport, Oregon) – The National Weather Service (NWS) is saying there is an increased threat of sneaker waves on the northern half of the Oregon…
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When should Central Oregon drivers switch to winter tires? What to know before the cold arrivesBEND, Ore. (KTVZ) — Fall is just getting underway, but now is a good time for Central Oregon drivers to start thinking about getting their vehicles ready for winter.Les Schwab says drivers planning to travel in snow…
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Oregon may see Cascade snow as record-warm October turns coolerLight snow could fall on Cascade Mountain roads next weekend — Oct. 24 to 25. After one of the warmest and driest Octobers on record, it should start to feel like autumn late this week and next weekend. The Cascade…
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Nearly 90% of Oregon is in drought as rain year beginsPORTLAND, Ore. (KATU) — Rain has started trickling into the Pacific Northwest for the season. October 1 marks the beginning of the new rain year, and in Portland, we’ve seen about 0.1” so far through the month, which is…
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Southern Oregon Opens the Week in Sunshine as Cooler Nights and Rain Chances FollowCooler air will lower Medford’s high to about 66 and Klamath Falls to 61. Grants Pass is forecast near 73, Roseburg near 64 and Brookings near 59. Clouds will be more prominent across the region, with isolated showers…
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Central Oregon will see mixed sun and clouds through MondayBEND, Ore. — Central Oregon will see a mix of clouds and sunshine Sunday, with afternoon temperatures reaching the low 60s, followed by another mostly cloudy and mild day Monday. For Bend, the National Weather Service…
Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Ontario, OR reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyOntario Area, records since 1945. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
Forecasters' discussion
From the National Weather Service office in BOI, issued 1 hr ago
Update
Updated aviation discussion.
Key Messages
- Widespread precipitation through Friday morning, along with isolated to scattered thunderstorms.
- Thunderstorms through this evening will be capable of producing gusty winds and brief heavy rain, and small hail in Southwest Idaho.
- Windy conditions will develop late tonight and tomorrow behind a cold front, with much cooler conditions Friday and Saturday.
Boi Watches
ID...Flash Flood Watch through Friday morning for IDZ013. OR...None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.