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Active Weather Warnings

Weather in Boise, Idaho

04:59 PM
Now
Sunny with a Chance of Thunderstorms
75° F
Feels Like 72°
Precipitation 70 %
Wind 8 mph
UV Index (0 - 11+) 2
Humidity 38 %
Today
Sunny with a Chance of Thunderstorms
Day 75°
Night 55°
Precipitation 100 %
Wind 7 mph
UV Index (0 - 11+) 4

Boise Weather Forecast Updated

13 minutes ago
Last updated on

Air Quality in Boise

NOW
46 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.46 µg/m³
PM10 3.14 µg/m³
O3 0.050 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.24 µg/m³
NO 0.02 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.52.46 µg/m³
PM103.14 µg/m³
O398.51 µg/m³
NO20.15 µg/m³
SO20.03 µg/m³
CO100.33 µg/m³
NH30.24 µg/m³
NO0.02 µg/m³

Weather Alerts and Warnings for Boise

Severe Future Possible

Flash Flood Watch

Flash Flood Watch issued September 18 at 10:50AM MDT until September 19 at 12:00AM MDT by NWS Boise ID
Sep 18, 10:50 AM Sep 19, 12:00 AM
WHAT: Flash flooding and debris flows caused by excessive rainfall
are possible over the Wapiti, Crooked, Buckhorn burn scar areas.

WHERE: Portions of south central and southwest Idaho, including
the following areas, in south central Idaho, Western Magic Valley.
In southwest Idaho, Boise Mountains, Camas Prairie, Lower Treasure
Valley, Upper Treasure Valley and West Central Mountains.

WHEN: Through this evening.

IMPACTS: Heavy rainfall over the Wapiti, Crooked, Buckhorn burn
scar is expected up to and during the period of the watch.
Residents near the Wapiti, Crooked, Buckhorn burn scar should
prepare for potential debris flow. Be sure to stay up to date with
information from local authorities. Heavy rainfall could trigger
flash flooding or debris flows in and near recent wildfire burn
scars.

ADDITIONAL DETAILS:
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows.
- Some locations that may experience flash flooding include...
Idaho City, Fairfield, Lowman, Horseshoe Bend, Pine, Prairie,
Atlanta, Anderson Dam, Corral, Centerville, Pioneerville, Garden
Valley, Banks, Gardena, Crouch, Placerville, Trinity Lakes, Rocky
Bar, Dutch Creek Guard Station and Featherville.
- https://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: Sep 18, 4:45 PM Source: NWS Alert