
Showers and Storms in the East; Dangerously Hot and Dry in the West
Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >
| NWS Forecast for: Ontario OR Issued by: National Weather Service Boise, ID Last Update: 12:29 pm MDT Aug 9, 2026 | |
Tonight: Patchy smoke before midnight, then patchy smoke after 2am. Mostly clear, with a low around 65. Calm wind becoming north northwest around 6 mph. Monday: Patchy smoke before 9am, then patchy smoke after 10am. Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph. Monday Night: Patchy smoke before 10pm. Mostly clear, with a low around 62. North northwest wind 5 to 7 mph becoming calm after midnight. Tuesday: Patchy smoke after 11am. Sunny and hot, with a high near 97. Calm wind. Tuesday Night: Mostly clear, with a low around 65. Calm wind becoming north northwest 5 to 7 mph after midnight. Wednesday: Sunny and hot, with a high near 94. Wednesday Night: Partly cloudy, with a low around 64. Thursday: Mostly sunny and hot, with a high near 92. Thursday Night: Partly cloudy, with a low around 63. Friday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 63. Saturday: Mostly sunny and hot, with a high near 90. Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 62. Sunday: Mostly sunny and hot, with a high near 90. | |
| Ontario OR 44.03°N 116.97°W (Elev. 2103 ft) | |
Visit your local NWS office at: https://www.weather.gov/boi |