National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

Lat: 45.94111°NLon: 116.13257°WElev: 3287.0ft.

Overcast

39°F

4°C

Humidity 86%
Wind Speed SW 13 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill31°F (-1°C)
Last update 13 Apr 10:15 AM PDT
Extended Forecast for

Grangeville ID

  • Today

    Today: Showers, mainly before 4pm. High near 47. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 9pm. Snow level 6000 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 35. Southwest wind 5 to 9 mph becoming calm after midnight.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Snow level 3900 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 53. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 53 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers. Low around 39. West southwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers. High near 48. South southwest wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow showers, becoming all snow after 9pm. Low around 27. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers. High near 38. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before 3pm, then a slight chance of rain. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Showers, mainly before 4pm. High near 47. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 50 percent chance of showers, mainly before 9pm. Snow level 6000 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 35. Southwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers before noon. Snow level 3900 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 53. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Showers. Low around 39. West southwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 48. South southwest wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, possibly mixed with snow showers, becoming all snow after 9pm. Low around 27. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers. High near 38. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.
Friday
A slight chance of snow before 3pm, then a slight chance of rain. Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Sunday
A chance of rain. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.95°N 116.12°W (Elev. 3301 ft)
Last Update:
2:01 am MDT Apr 13, 2026
Forecast Valid:
11am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation