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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 May 02:15 AM PDT
Extended Forecast for

4 Miles S Kooskia ID

Frost Advisory until May 19, 10:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until May 19, 10:00am

    NOW until 10:00am Tue

    Frost Advisory

  • Overnight

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 3pm. Partly sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Partly cloudy, with a low around 42. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 70. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of rain after 3pm. Partly sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 47.
Memorial Day
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Kooskia ID
 46.09°N 115.97°W (Elev. 1827 ft)
Last Update:
2:01 am MDT May 19, 2026
Forecast Valid:
3am MDT May 19, 2026-6pm MDT May 25, 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