



Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.
Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >
Hazardous Weather Conditions
Current conditions at
Hermiston, Hermiston Municipal Airport (KHRI)
Lat: 45.82583°NLon: 119.26111°WElev: 636.0ft.
Clear
88°F
31°C
Humidity | 27% |
Wind Speed | N 0 MPH |
Barometer | 29.91 in (1012.87 mb) |
Dewpoint | 50°F (10°C) |
Visibility | 10.00 mi |
Heat Index | 85°F (29°C) |
Last update | 31 Aug 01:20 PM PDT |
Extended Forecast for
2 Miles ENE Umatilla OR
Extreme Heat Watch September 2, 11:00am until September 4, 08:00pm
This Afternoon
High: 95 °F
Haze
Tonight
Low: 64 °F
Haze
Labor Day
High: 95 °F
Haze then
SunnyMonday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 101 °F
Hot
Wednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 99 °F
Hot
Detailed Forecast
This Afternoon
Widespread haze. Mostly sunny, with a high near 95. West wind 3 to 5 mph.
Tonight
Widespread haze. Partly cloudy, with a low around 64. West wind around 5 mph becoming light and variable.
Labor Day
Widespread haze before 8am. Mostly sunny, with a high near 95. Light and variable wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Umatilla OR
45.92°N 119.3°W (Elev. 400 ft)
45.92°N 119.3°W (Elev. 400 ft)
12:30 pm PDT Aug 31, 2025
1pm PDT Aug 31, 2025-6pm PDT Sep 6, 2025