Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Hazardous Weather Conditions
Current conditions at
Tri-Cities Airport (KPSC)
Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.
Clear
91°F
33°C
| Humidity | 31% |
| Wind Speed | N 4 MPH |
| Barometer | 29.88 in (1011.85 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 01 Sep 03:20 PM PDT |
Extended Forecast for
Prosser WA
Extreme Heat Warning September 2, 11:00am until September 4, 08:00pm
Tonight
Low: 61 °F
Haze
Tuesday
High: 99 °F
Areas Smoke
then HazeTuesday Night
Low: 63 °F
Haze
Wednesday
High: 102 °F
Haze then
SunnyWednesday Night
Low: 65 °F
Partly Cloudy
Thursday
High: 100 °F
Hot
Thursday Night
Low: 65 °F
Partly Cloudy
Friday
High: 96 °F
Mostly Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Detailed Forecast
Tonight
Widespread haze. Areas of smoke after 2am. Partly cloudy, with a low around 61. North wind around 5 mph becoming light and variable in the evening.
Tuesday
Widespread haze after 2pm. Areas of smoke before 2pm. Sunny and hot, with a high near 99. Light and variable wind becoming east around 5 mph in the afternoon.
Tuesday Night
Widespread haze after 11pm. Mostly clear, with a low around 63. Calm wind becoming west around 5 mph after midnight.
Wednesday
Widespread haze before 8am. Sunny and hot, with a high near 102. Northwest wind around 6 mph becoming northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming west in the evening.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A slight chance of showers. Mostly sunny, with a high near 91.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 61.
Sunday
A slight chance of showers. Mostly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
A slight chance of showers. Partly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Prosser WA
46.21°N 119.75°W (Elev. 741 ft)
46.21°N 119.75°W (Elev. 741 ft)
3:20 pm PDT Sep 1, 2025
3pm PDT Sep 1, 2025-6pm PDT Sep 8, 2025
Additional Resources
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