Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are in the forecast for the Northeast into the northern Mid-Atlantic for damaging winds. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955° N Lon: 119.11813° W Elev: 397 ft.




Humidity 44%
Wind Speed SSW 13 MPH
Barometer 29.90 in (1012.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Aug 4:53 am PDT
Detailed forecast for

Lower Columbia Basin of Washington

Mostly sunny in the morning, then partly cloudy with a 20 percent chance of showers in the afternoon. Highs 86 to 91. Southwest wind 10 to 15 mph. Gusts around 30 mph in the afternoon.
Mostly cloudy with a 50 percent chance of showers in the evening, then partly cloudy overnight. Lows 56 to 61. Southwest wind 10 to 15 mph. Gusts around 35 mph in the evening.
Mostly sunny. Highs 81 to 86. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear. Lows 52 to 57. Southwest wind 5 to 10 mph.
Partly cloudy. Highs 84 to 89. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy. Lows 56 to 61.
Saturday And Saturday Night
Mostly clear. Highs 85 to 90. Lows 55 to 60.
Sunday Through Monday Night
Clear. Highs 82 to 88. Lows 53 to 59.
Sunny. Highs 90 to 95.

Click Map For Forecast
358 AM PDT Wed Aug 21 2019

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database