Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Top of Whitebird Hill (ITD92)

Lat: 45.84722°NLon: 116.23968°WElev: 4222.0ft.

NA

37°F

3°C

Humidity NA
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Last update NA
Extended Forecast for

13 Miles SSW Grangeville ID

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Showers.  Snow level 5300 feet. Low around 39. Southwest wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers

  • Wednesday

    Wednesday: Snow showers, possibly mixed with rain, becoming all snow after 4pm. Some thunder is also possible.  Snow level 5300 feet lowering to 4500 feet in the afternoon . High near 43. South southwest wind 6 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 43 °F

    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 8pm. The snow could be heavy at times.  Low around 27. West southwest wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Heavy Snow

  • Thursday

    Thursday: Snow showers. Some thunder is also possible.  High near 36. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight.  Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph becoming south after midnight.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers.  Partly sunny, with a high near 43. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers. Snow level 5300 feet. Low around 39. Southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Snow showers, possibly mixed with rain, becoming all snow after 4pm. Some thunder is also possible. Snow level 5300 feet lowering to 4500 feet in the afternoon . High near 43. South southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers, mainly before 8pm. The snow could be heavy at times. Low around 27. West southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 36. West southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph becoming south after midnight. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow showers. Partly sunny, with a high near 43. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 61.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Monday
A slight chance of rain. Partly sunny, with a high near 63.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSW Grangeville ID
 45.75°N 116.17°W (Elev. 4524 ft)
2:01 am MDT Apr 15, 2026
4am MDT Apr 15, 2026-6pm MDT Apr 21, 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