Flood Watch 1:00 AM

Boise, Idaho

Last updated: 4:43 PM CDT  ·  Refresh
18°C
Feels like 14°
Partly Cloudy
▲ 19°  /  ▼ 6°
Wind
7 mph NW
Humidity
30%
Dew Point
0°
Pressure
26.91 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
40%
Sunrise
7:35 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Boise is currently partly cloudy at 18°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:35AM · Sunset: 7:34PM.

Alerts

Flood Watch
Expires 1:00 AM
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
3%
4 PM
19°
3%
5 PM
19°
3%
6 PM
19°
3%
7 PM
17°
3%
8 PM
15°
3%
9 PM
14°
3%
10 PM
13°
3%
11 PM
12°
3%
12 AM
12°
3%
1 AM
11°
3%
2 AM
11°
3%
3 AM
12°
3%
4 AM
12°
3%
5 AM
12°
3%
6 AM
9°
3%
7 AM
9°
3%
8 AM
9°
3%
9 AM
10°
3%
10 AM
13°
3%
11 AM
14°
3%
12 PM
15°
3%
1 PM
16°
3%
2 PM
18°
3%
7-Day Forecast
Today
19° 6°
Mostly Cloudy.
Sun
22° 9°
Overcast.
Mon
22° 9°
Clear.
Tue
22° 8°
Clear.
Wed
23° 9°
Clear.
Thu
28° 11°
Clear.
Fri
22° 8°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 18° Partly Cloudy 3% 7 mph NW 30%
4 PM 19° Mostly Cloudy 3% 6 mph NW 26%
5 PM 19° Overcast 3% 7 mph NW 26%
6 PM 19° Overcast 3% 7 mph NW 26%
7 PM 17° Overcast 3% 6 mph NW 30%
8 PM 15° Overcast 3% 5 mph NW 33%
9 PM 14° Overcast 3% 4 mph NW 34%
10 PM 13° Overcast 3% 3 mph WNW 35%
11 PM 12° Overcast 3% 2 mph S 35%
12 AM 12° Overcast 3% 2 mph S 36%
1 AM 11° Overcast 3% 2 mph SSE 36%
2 AM 11° Overcast 3% 2 mph SE 37%
3 AM 12° Overcast 3% 3 mph SE 40%
4 AM 12° Overcast 3% 3 mph ESE 40%
5 AM 12° Overcast 3% 3 mph SE 40%
6 AM 9° Overcast 3% 3 mph SE 40%
7 AM 9° Overcast 3% 3 mph SE 40%
8 AM 9° Overcast 3% 4 mph SE 40%
9 AM 10° Overcast 3% 4 mph SE 38%
10 AM 13° Overcast 3% 3 mph SSE 34%
11 AM 14° Overcast 3% 4 mph SSE 32%
12 PM 15° Overcast 3% 3 mph SE 30%
1 PM 16° Overcast 3% 4 mph NNW 28%
2 PM 18° Overcast 3% 5 mph NNW 27%
15-Day Forecast
Today
9/26
Mostly Cloudy
3%
6°
19°
Sun
9/27
Overcast
3%
9°
22°
Mon
9/28
Clear
3%
9°
22°
Tue
9/29
Clear
3%
8°
22°
Wed
9/30
Clear
3%
9°
23°
Thu
10/1
Clear
3%
11°
28°
Fri
10/2
Clear
3%
8°
22°
Sat
10/3
Clear
3%
7°
20°
Sun
10/4
Clear
3%
7°
23°
Mon
10/5
Clear
3%
12°
26°
Tue
10/6
Clear
3%
11°
27°
Wed
10/7
Clear
25%
12°
26°
Thu
10/8
Clear
3%
11°
26°
Fri
10/9
Clear
3%
11°
26°
Sat
10/10
Clear
3%
10°
25°
38
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
32 AQI 5.8 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 38 Good 38 32
Mon 52 Moderate 39 52
Tue 47 Good 38 47
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sat Sep 26, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE16 J/kg
MLCAPE17 J/kg
MUCAPE5 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index6.5
Kinematics
0–6 km Shear38 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH55
0–3 km SRH118
Eff. SRH—
Storm Motion276° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index12.5
Thermo & Levels
PWAT0.51 in
0–3 km LR7.1 °C/km
700–500 LR5.5 °C/km
Total Totals40.3
LCL697 hPa
LFC911 hPa
EL798 hPa
Freezing Lvl7,172 ft