Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Grangeville - Idaho County Airport (KGIC)

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

Clear

79°F

26°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Aug 11:55 PM PDT
Extended Forecast for

Grangeville ID

  • Overnight

    Overnight: A 30 percent chance of rain, mainly before 3am.  Patchy smoke before 3am. Cloudy, with a low around 67. South southwest wind around 5 mph becoming calm.

    Low: 67 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Patchy smoke before 10am. Partly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 92 °F

    Patchy Smoke
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 9pm.  Partly cloudy, with a low around 58. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. North wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

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

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly before 3am. Patchy smoke before 3am. Cloudy, with a low around 67. South southwest wind around 5 mph becoming calm.
Saturday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy smoke before 10am. Partly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Partly cloudy, with a low around 58. South southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. North wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Grangeville ID
 45.93°N 116.12°W (Elev. 3389 ft)
12:22 am MDT Aug 22, 2026
1am MDT Aug 22, 2026-6pm MDT Aug 28, 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