Heat Advisory — Lower Treasure Valley, ID, Upper Treasure Valley, ID, Southwest Highlands, ID, Western Magic Valley, ID, Owyhee Mountains, ID, Southern Twin Falls County, ID, Upper Weiser River, ID, Harney County, OR, Baker County, OR, Malheur County, OR, Oregon Lower Treasure Valley, OR 10:00 PM

Boise, Idaho

Last updated: 2:54 AM CDT  ·  Refresh
26°C
Feels like 22°
Clear
▲ 41°  /  ▼ 18°
Wind
3 mph E
Humidity
15%
Dew Point
0°
Pressure
26.88 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:39 AM
Sunset
8:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Boise is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:39AM · Sunset: 8:59PM.

Alerts

Heat Advisory
Lower Treasure Valley, ID, Upper Treasure Valley, ID, Southwest Highlands, ID, Western Magic Valley, ID, Owyhee Mountains, ID, Southern Twin Falls County, ID, Upper Weiser River, ID, Harney County, OR, Baker County, OR, Malheur County, OR, Oregon Lower Treasure Valley, OR
Expires 10:00 PM
115 AQI · Unhealthy for Sensitive Groups Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
24°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
22°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
35°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
41°
3%
6 PM
39°
3%
7 PM
38°
3%
8 PM
36°
3%
9 PM
32°
3%
10 PM
31°
3%
11 PM
30°
3%
12 AM
29°
3%
7-Day Forecast
Today
41° 18°
Clear.
Sat
39° 18°
Clear.
Sun
38° 16°
Clear.
Mon
38° 14°
Clear.
Tue
39° 16°
Clear.
Wed
38° 16°
Clear.
Thu
38° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 3 mph E 15%
2 AM 26° Clear 3% 4 mph E 15%
3 AM 25° Clear 3% 4 mph E 16%
4 AM 24° Clear 3% 3 mph ENE 17%
5 AM 19° Clear 3% 4 mph NE 19%
6 AM 19° Clear 3% 3 mph ENE 18%
7 AM 20° Clear 3% 3 mph ESE 17%
8 AM 22° Clear 3% 2 mph SSE 16%
9 AM 26° Clear 3% 2 mph SW 15%
10 AM 28° Clear 3% 3 mph WSW 13%
11 AM 30° Clear 3% 4 mph W 12%
12 PM 31° Clear 3% 5 mph W 11%
1 PM 35° Clear 3% 6 mph WNW 10%
2 PM 37° Clear 3% 6 mph WNW 9%
3 PM 37° Clear 3% 7 mph WNW 8%
4 PM 37° Clear 3% 8 mph NW 8%
5 PM 41° Clear 3% 9 mph NW 8%
6 PM 39° Clear 3% 7 mph NW 9%
7 PM 38° Clear 3% 6 mph NNW 10%
8 PM 36° Clear 3% 6 mph N 11%
9 PM 32° Clear 3% 5 mph NNE 12%
10 PM 31° Clear 3% 4 mph NNE 12%
11 PM 30° Clear 3% 5 mph NE 12%
12 AM 29° Clear 3% 5 mph NE 14%
15-Day Forecast
Today
8/7
Clear
3%
18°
41°
Sat
8/8
Clear
3%
18°
39°
Sun
8/9
Clear
3%
16°
38°
Mon
8/10
Clear
3%
14°
38°
Tue
8/11
Clear
3%
16°
39°
Wed
8/12
Clear
3%
16°
38°
Thu
8/13
Clear
3%
15°
38°
Fri
8/14
Clear
3%
16°
40°
Sat
8/15
Mostly Cloudy
35%
19°
40°
Sun
8/16
Overcast
36%
18°
36°
Mon
8/17
Clear
25%
18°
33°
Tue
8/18
Clear
25%
17°
33°
Wed
8/19
Clear
60%
17°
34°
Thu
8/20
Clear
25%
17°
34°
Fri
8/21
Clear
25%
18°
34°
115
Unhealthy for Sensitive Groups
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Members of sensitive groups may experience health effects; the general public is less likely to be affected.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
88 AQI 29.2 µg/m³
O3
Ground-level ozone
Dominant
115 AQI 76 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 115 Unhealthy for Sensitive Groups 115 88
Sat 129 Unhealthy for Sensitive Groups 129 98
Sun 107 Unhealthy for Sensitive Groups 100 107
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Aug 7, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE11 J/kg
MUCAPE0 J/kg
SBCIN-11077 J/kg
MLCIN0 J/kg
Lifted Index10.5
Kinematics
0–6 km Shear20 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH-43
0–3 km SRH-182
Eff. SRH—
Storm Motion242° @ 23 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index6.7
Thermo & Levels
PWAT0.48 in
0–3 km LR5.3 °C/km
700–500 LR7.9 °C/km
Total Totals37.8
LCL618 hPa
LFC—
EL—
Freezing Lvl13,934 ft