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

Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Boise Air Terminal (KBOI)

Lat: 43.56704°NLon: 116.24053°WElev: 2822.0ft.

Clear

81°F

27°C

Humidity 28%
Wind Speed ESE 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Aug 09:20 AM MDT
Extended Forecast for

4 Miles ESE Kuna ID

Heat Advisory August 12, 12:00pm until August 12, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 99. East wind 5 to 7 mph becoming light and variable.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 66. North wind around 6 mph becoming calm after midnight.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Light west wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 90. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 99. East wind 5 to 7 mph becoming light and variable.
Tonight
Mostly clear, with a low around 66. North wind around 6 mph becoming calm after midnight.
Wednesday
Sunny and hot, with a high near 98. Light west wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 62. West northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny and hot, with a high near 90. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Kuna ID
 43.45°N 116.36°W (Elev. 2815 ft)
Last Update:
3:04 am MDT Aug 12, 2025
Forecast Valid:
9am MDT Aug 12, 2025-6pm MDT Aug 18, 2025
 
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