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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

61°F

16°C

Humidity 48%
Wind Speed SE 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 22 Sep 06:00 AM MDT
Extended Forecast for

Boise ID

  • Today

    Today: Mostly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. West northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Light and variable wind becoming east 5 to 7 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 92. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Light and variable wind becoming east 5 to 7 mph after midnight.
Thursday
Sunny and hot, with a high near 92. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
Last Update:
12:29 am MDT Sep 22, 2026
Forecast Valid:
6am MDT Sep 22, 2026-6pm MDT Sep 28, 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