Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Overcast

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 04 Sep 12:15 AM PDT
Extended Forecast for

Grangeville ID

  • Overnight

    Overnight: Rain, mainly before 3am.  Low around 46. Light and variable wind.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: A chance of rain before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of rain after 3pm.  Partly sunny, with a high near 62. Light and variable wind.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of rain between 3am and 4am.  Partly cloudy, with a low around 42. Light and variable wind.  Chance of precipitation is 20%.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm.  Mostly sunny, with a high near 67. Light and variable wind.  Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. North wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly after midnight.  Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Labor Day

    Labor Day: Rain before noon, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: A slight chance of rain before midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 3am. Low around 46. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of rain before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 62. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of rain between 3am and 4am. Partly cloudy, with a low around 42. Light and variable wind. Chance of precipitation is 20%.
Saturday
A chance of rain before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 67. Light and variable wind. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 43. North wind around 5 mph becoming calm in the evening.
Sunday
A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Sunday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Labor Day
Rain before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63.
Monday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
12:22 am MDT Sep 4, 2026
1am MDT Sep 4, 2026-6pm MDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database