Heat Advisory — Hartford, CT, Tolland, CT, Windham, CT, Eastern Franklin, MA, Northern Worcester, MA, Central Middlesex County, MA, Western Essex, MA, Eastern Essex, MA, Eastern Hampshire, MA, Eastern Hampden, MA, Southern Worcester, MA, Western Norfolk, MA, Southeast Middlesex, MA, Suffolk, MA, Eastern Norfolk, MA, Northern Bristol, MA, Western Plymouth, MA, Eastern Plymouth, MA, Southern Bristol, MA, Southern Plymouth, MA, Northwest Middlesex County, MA, Northwest Providence, RI, Southeast Providence, RI, Western Kent, RI, Eastern Kent, RI, Bristol, RI, Washington, RI, Newport, RI 7:00 PM 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: 2:03 AM CDT  ·  Refresh
26°C
Feels like 22°
Clear
▲ 41°  /  ▼ 16°
Wind
5 mph ESE
Humidity
15%
Dew Point
-1°
Pressure
26.83 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
1%
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
Hartford, CT, Tolland, CT, Windham, CT, Eastern Franklin, MA, Northern Worcester, MA, Central Middlesex County, MA, Western Essex, MA, Eastern Essex, MA, Eastern Hampshire, MA, Eastern Hampden, MA, Southern Worcester, MA, Western Norfolk, MA, Southeast Middlesex, MA, Suffolk, MA, Eastern Norfolk, MA, Northern Bristol, MA, Western Plymouth, MA, Eastern Plymouth, MA, Southern Bristol, MA, Southern Plymouth, MA, Northwest Middlesex County, MA, Northwest Providence, RI, Southeast Providence, RI, Western Kent, RI, Eastern Kent, RI, Bristol, RI, Washington, RI, Newport, RI
Expires 7:00 PM
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
118 AQI · Unhealthy for Sensitive Groups Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
22°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
19°
3%
9 AM
23°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
30°
3%
1 PM
32°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
38°
3%
6 PM
41°
3%
7 PM
39°
3%
8 PM
37°
3%
9 PM
36°
3%
10 PM
31°
3%
11 PM
31°
3%
12 AM
28°
3%
7-Day Forecast
Today
41° 16°
Clear.
Sat
39° 16°
Clear.
Sun
38° 14°
Clear.
Mon
39° 14°
Clear.
Tue
39° 15°
Clear.
Wed
39° 14°
Clear.
Thu
38° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 5 mph ESE 15%
2 AM 25° Clear 3% 6 mph ESE 15%
3 AM 24° Clear 3% 6 mph ESE 16%
4 AM 23° Clear 3% 6 mph E 18%
5 AM 22° Clear 3% 4 mph E 19%
6 AM 17° Clear 3% 3 mph NE 21%
7 AM 18° Clear 3% 3 mph E 20%
8 AM 19° Clear 3% 3 mph ESE 18%
9 AM 23° Clear 3% 2 mph SSE 16%
10 AM 26° Clear 3% 2 mph WSW 14%
11 AM 28° Clear 3% 4 mph W 13%
12 PM 30° Clear 3% 5 mph W 11%
1 PM 32° Clear 3% 6 mph WNW 10%
2 PM 36° Clear 3% 7 mph WNW 9%
3 PM 37° Clear 3% 8 mph NW 8%
4 PM 37° Clear 3% 8 mph NW 8%
5 PM 38° Clear 3% 9 mph NW 8%
6 PM 41° Clear 3% 10 mph NW 8%
7 PM 39° Clear 3% 8 mph NNW 9%
8 PM 37° Clear 3% 6 mph NNW 10%
9 PM 36° Clear 3% 6 mph N 12%
10 PM 31° Clear 3% 6 mph NNE 13%
11 PM 31° Clear 3% 6 mph NNE 14%
12 AM 28° Clear 3% 5 mph ENE 15%
15-Day Forecast
Today
8/7
Clear
3%
16°
41°
Sat
8/8
Clear
3%
16°
39°
Sun
8/9
Clear
3%
14°
38°
Mon
8/10
Clear
3%
14°
39°
Tue
8/11
Clear
3%
15°
39°
Wed
8/12
Clear
3%
14°
39°
Thu
8/13
Clear
3%
14°
38°
Fri
8/14
Clear
3%
16°
40°
Sat
8/15
Clear
19%
19°
41°
Sun
8/16
Clear
21%
18°
36°
Mon
8/17
Clear
60%
18°
34°
Tue
8/18
Clear
25%
18°
33°
Wed
8/19
Drizzle
60%
17°
32°
Thu
8/20
Clear
25%
17°
33°
Fri
8/21
Clear
25%
17°
33°
118
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 29.1 µg/m³
O3
Ground-level ozone
Dominant
118 AQI 76 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 118 Unhealthy for Sensitive Groups 118 88
Sat 132 Unhealthy for Sensitive Groups 132 100
Sun 111 Unhealthy for Sensitive Groups 100 111
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, 05:00'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
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN-11030 J/kg
MLCIN0 J/kg
Lifted Index10.3
Kinematics
0–6 km Shear22 kt
0–1 km Shear11 kt
Eff. Shear—
0–1 km SRH-73
0–3 km SRH-197
Eff. SRH—
Storm Motion236° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index6.7
Thermo & Levels
PWAT0.45 in
0–3 km LR5.4 °C/km
700–500 LR8.0 °C/km
Total Totals38.7
LCL612 hPa
LFC—
EL—
Freezing Lvl13,990 ft