Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest
Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >
| NWS Forecast for: Ontario OR Issued by: National Weather Service Boise, ID Last Update: 12:29 pm MDT Jul 18, 2026 | |
| Tonight: Patchy smoke. Partly cloudy, with a low around 69. Calm wind becoming north northwest 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Sunday: Widespread smoke, mainly between 1pm and 3pm. Partly sunny and hot, with a high near 102. West wind around 5 mph becoming light and variable. Sunday Night: Areas of smoke. Mostly cloudy, with a low around 72. Calm wind becoming north northwest 5 to 7 mph after midnight. Monday: Areas of smoke before 7am. Mostly sunny and hot, with a high near 103. Light and variable wind becoming north northeast around 6 mph in the morning. Monday Night: Partly cloudy, with a low around 74. North wind 7 to 11 mph. Tuesday: Partly sunny and hot, with a high near 101. Tuesday Night: Partly cloudy, with a low around 73. Wednesday: Partly sunny and hot, with a high near 100. Wednesday Night: Partly cloudy, with a low around 71. Thursday: A 20 percent chance of showers after noon. Sunny and hot, with a high near 101. Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 70. Friday: Sunny and hot, with a high near 101. Friday Night: Mostly clear, with a low around 69. Saturday: Sunny and hot, with a high near 99. | |
| Ontario OR 44.03°N 116.97°W (Elev. 2103 ft) | |
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