Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 20, 12:00 PM MDT until August 21, 09:00 PM MDT

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

91°F

33°C

Humidity	18%
Wind Speed	NNW 6 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	20 Aug 12:20 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles SW Boise Municipal ID

Heat Advisory until August 21, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 21, 09:00pm
NOW until 9:00pm Fri
Heat Advisory
This Afternoon
High: 100 °F
Hot
Tonight
Low: 68 °F
Mostly Cloudy
Friday
High: 100 °F
Patchy Smoke
Friday Night
Low: 73 °F
Mostly Cloudy
Saturday
High: 96 °F
Mostly Cloudy
then Slight
Chance
T-storms
Saturday Night
Low: 64 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 90 °F
Hot
Sunday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

This Afternoon

Increasing clouds and hot, with a high near 100. South wind 5 to 8 mph becoming northwest.

Tonight

Mostly cloudy, with a low around 68. North northwest wind 5 to 9 mph becoming light and variable.

Friday

Patchy smoke between 8am and 2pm. Sunny during the morning, then mostly cloudy during the afternoon and hot, with a high near 100. South southeast wind around 6 mph becoming light and variable.

Friday Night

Mostly cloudy, with a low around 73. Southwest wind 8 to 11 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

Saturday

A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy and hot, with a high near 96. South wind 6 to 9 mph becoming west southwest in the afternoon.

Saturday Night

A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64.

Sunday

Sunny and hot, with a high near 90.

Sunday Night

Mostly clear, with a low around 63.

Monday

Mostly sunny and hot, with a high near 92.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Mostly sunny and hot, with a high near 94.