Severe Weather and Flooding Threat in the Central U.S. and Mid-Atlantic; Dangerous Heat in the West and Southern Plains

Severe thunderstorms and heavy rain are expected across the central High Plains into parts of the central and southern Plains and in the the Mid-Atlantic today. Intense, dangerous heat will persist across the West, Southwest, and Southern Plains into the end of the week. Elevated to critical fire weather conditions expected in the Great Basin and Four Corners region. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.

Clear

84°F

29°C

Humidity 17%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 23 Jun 12:15 PM PDT
Extended Forecast for

Hartline WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 89. East wind around 6 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 61. East wind around 6 mph becoming north after midnight.

    Low: 61 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 63. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Northwest wind 6 to 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Breezy.

    Low: 57 °F

    Mostly Cloudy
    and Breezy
    then Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers.  Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. East wind around 6 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 61. East wind around 6 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 92. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 63. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 87. Northwest wind 6 to 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 57. Breezy.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 51.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartline WA
 47.7°N 119.12°W (Elev. 1991 ft)
11:46 am PDT Jun 23, 2026
12pm PDT Jun 23, 2026-6pm PDT Jun 29, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database