Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972.0ft.

unknown precip

59°F

15°C

Humidity 65%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility 1.24 mi
Last update 21 Aug 03:15 AM PDT
Extended Forecast for

6 Miles WSW Snoqualmie Pass WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 64. East wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 85. Light and variable wind.

    High: 85 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of rain after 5am.  Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Cloudy then
    Chance Rain

  • Saturday

    Saturday: Rain and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm.  Mostly cloudy, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 53. West wind around 6 mph.

    Low: 53 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 64. East wind around 5 mph.
Friday
Increasing clouds, with a high near 85. Light and variable wind.
Friday Night
A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 58. Calm wind.
Saturday
Rain and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 65. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 53. West wind around 6 mph.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Snoqualmie Pass WA
 47.39°N 121.53°W (Elev. 1713 ft)
11:26 pm PDT Aug 20, 2026
3am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database