Winter Storm Watch 7:00 PM

Butte/Blackfoot Region, MT

Last updated: 7:50 PM CDT  ·  Refresh
27°C
Feels like 27°
Clear
▲ 31°  /  ▼ 19°
Wind
6 mph ENE
Humidity
45%
Dew Point
14°
Pressure
29.85 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
7:01 AM
Sunset
6:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Butte/Blackfoot Region is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:01AM · Sunset: 6:41PM.

Alerts

Winter Storm Watch
Expires 7:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
8%
8 PM
27°
19%
9 PM
25°
14%
10 PM
24°
14%
11 PM
24°
14%
12 AM
23°
7%
1 AM
23°
3%
2 AM
23°
3%
3 AM
22°
3%
4 AM
22°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
22°
3%
9 AM
24°
3%
10 AM
26°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
30°
8%
2 PM
31°
19%
3 PM
30°
20%
4 PM
29°
29%
5 PM
28°
29%
6 PM
27°
30%
7-Day Forecast
Tonight
31° 19°
Mostly Clear.
Fri
31° 19°
Clear with a 33% chance of rain.
Sat
29° 17°
Partly Cloudy with a 51% chance of rain.
Sun
34° 16°
Clear.
Mon
36° 19°
Clear.
Tue
36° 19°
Clear.
Wed
36° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 8% 6 mph ENE 45%
8 PM 27° Mostly Clear 19% 6 mph ENE 50%
9 PM 25° Mostly Clear 14% 6 mph NE 53%
10 PM 24° Mostly Clear 14% 7 mph NE 55%
11 PM 24° Mostly Clear 14% 7 mph NE 57%
12 AM 23° Clear 7% 7 mph NE 58%
1 AM 23° Clear 3% 7 mph NE 61%
2 AM 23° Clear 3% 7 mph NE 63%
3 AM 22° Clear 3% 7 mph NE 66%
4 AM 22° Clear 3% 8 mph NE 68%
5 AM 19° Clear 3% 8 mph NE 70%
6 AM 19° Clear 3% 8 mph NE 72%
7 AM 20° Clear 3% 9 mph NE 70%
8 AM 22° Clear 3% 11 mph NE 66%
9 AM 24° Clear 3% 12 mph NE 61%
10 AM 26° Clear 3% 13 mph ENE 58%
11 AM 27° Clear 3% 13 mph NE 52%
12 PM 28° Clear 3% 14 mph NE 46%
1 PM 30° Clear 8% 14 mph NE 44%
2 PM 31° Clear 19% 15 mph NE 44%
3 PM 30° Mostly Clear 20% 15 mph NE 46%
4 PM 29° Mostly Clear 29% 15 mph NE 47%
5 PM 28° Clear 29% 14 mph NE 47%
6 PM 27° Clear 30% 14 mph NE 48%
15-Day Forecast
Today
10/8
Mostly Clear
14%
19°
31°
Fri
10/9
Clear
33%
19°
31°
Sat
10/10
Partly Cloudy
51%
17°
29°
Sun
10/11
Clear
3%
16°
34°
Mon
10/12
Clear
3%
19°
36°
Tue
10/13
Clear
14%
19°
36°
Wed
10/14
Clear
9%
20°
36°
Thu
10/15
Mostly Cloudy
8%
20°
36°
Fri
10/16
Drizzle
73%
19°
34°
Sat
10/17
Rain
72%
14°
27°
Sun
10/18
Drizzle
60%
13°
28°
Mon
10/19
Drizzle
60%
13°
28°
Tue
10/20
Drizzle
60%
15°
28°
Wed
10/21
Drizzle
60%
15°
29°
Thu
10/22
Drizzle
60%
15°
29°
41
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
41 AQI 7.4 µg/m³
O3
Ground-level ozone
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 30 41
Sat 37 Good 37 29
Sun 42 Good 42 22
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 Thu Oct 8, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE3 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.9
Kinematics
0–6 km Shear1 kt
0–1 km Shear14 kt
Eff. Shear—
0–1 km SRH10
0–3 km SRH14
Eff. SRH—
Storm Motion109° @ 7 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-6.0
Thermo & Levels
PWAT0.67 in
0–3 km LR6.0 °C/km
700–500 LR6.5 °C/km
Total Totals37.0
LCL827 hPa
LFC—
EL—
Freezing Lvl14,803 ft