Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Flash Flood Watch in effect from August 17, 03:00 PM MDT until August 18, 12:00 AM MDT

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

73°F

23°C

Humidity	53%
Wind Speed	S 4 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	17 Aug 11:05 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NW Nyssa OR

Flash Flood Watch August 17, 03:00pm until August 18, 12:00am

Click here for hazard details and duration

Flash Flood Watch

Today
High: 88 °F
Scattered
Showers
Tonight
Low: 64 °F
Isolated
T-storms then
Partly Cloudy
Monday
High: 94 °F
Hot
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 95 °F
Hot
Wednesday Night
Low: 65 °F
Clear
Thursday
High: 94 °F
Hot

Detailed Forecast

Today

Scattered showers and thunderstorms before noon. Mostly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 30%.

Tonight

Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

Monday

Sunny and hot, with a high near 94. Calm wind becoming north northwest around 5 mph.

Monday Night

Mostly clear, with a low around 66. Light and variable wind becoming northwest 5 to 9 mph in the evening.

Tuesday

Sunny and hot, with a high near 97. Northwest wind 5 to 8 mph becoming calm in the afternoon.

Tuesday Night

Mostly clear, with a low around 67.

Wednesday

Sunny and hot, with a high near 95.

Wednesday Night

Clear, with a low around 65.