Heat Advisory — Western Roosevelt, MT, McCone, MT, Richland, MT, Dawson, MT, Prairie, MT, Wibaux, MT, Eastern Roosevelt, MT 8:00 PM

McCone County, Montana, United States

Last updated: 5:18 PM CDT  ·  Refresh
36°C
Feels like 35°
Clear
▲ 38°  /  ▼ 17°
Wind
5 mph SSW
Humidity
25%
Dew Point
12°
Pressure
27.07 inHg
Visibility
10 mi
UV Index
7.5
Cloud Cover
4%
Sunrise
5:37 AM
Sunset
8:41 PM
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WeatherAI™ Analysis

WeatherAI Analysis: McCone County is currently clear at 36°C. Precipitation is likely — peak probability 53% around 3 PM. Atmospheric instability is elevated (CAPE up to 1524 J/kg) — isolated convective development possible. Sunrise: 5:37AM · Sunset: 8:41PM.

Alerts

Heat Advisory
Western Roosevelt, MT, McCone, MT, Richland, MT, Dawson, MT, Prairie, MT, Wibaux, MT, Eastern Roosevelt, MT
Expires 8:00 PM
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
9%
5 PM
36°
32%
6 PM
35°
17%
7 PM
34°
17%
8 PM
32°
17%
9 PM
28°
17%
10 PM
27°
17%
11 PM
25°
9%
12 AM
24°
8%
1 AM
22°
15%
2 AM
21°
27%
3 AM
21°
32%
4 AM
20°
29%
5 AM
18°
38%
6 AM
17°
26%
7 AM
18°
29%
8 AM
19°
37%
9 AM
21°
34%
10 AM
22°
31%
11 AM
23°
34%
12 PM
24°
34%
1 PM
26°
40%
2 PM
27°
40%
3 PM
27°
53%
7-Day Forecast
Today
38° 17°
Mostly Clear.
Thu
34° 17°
Mostly Cloudy with a 48% chance of rain.
Fri
36° 13°
Mostly Clear.
Sat
38° 16°
Clear with a 38% chance of rain.
Sun
36° 19°
Clear.
Mon
27° 12°
Clear with a 38% chance of rain.
Tue
26° 7°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 9% 5 mph SSW 25%
5 PM 36° Mostly Clear 32% 9 mph SE 28%
6 PM 35° Mostly Clear 17% 12 mph SE 29%
7 PM 34° Partly Cloudy 17% 10 mph ESE 30%
8 PM 32° Mostly Cloudy 17% 8 mph E 33%
9 PM 28° Mostly Cloudy 17% 6 mph NE 35%
10 PM 27° Mostly Cloudy 17% 7 mph NE 38%
11 PM 25° Partly Cloudy 9% 8 mph ENE 46%
12 AM 24° Mostly Cloudy 8% 8 mph NE 53%
1 AM 22° Mostly Cloudy 15% 9 mph NE 56%
2 AM 21° Rain 27% 10 mph NE 60%
3 AM 21° Mostly Cloudy 32% 10 mph E 65%
4 AM 20° Mostly Cloudy 29% 9 mph ENE 71%
5 AM 18° Mostly Cloudy 38% 8 mph ENE 76%
6 AM 17° Mostly Cloudy 26% 9 mph NE 79%
7 AM 18° Mostly Cloudy 29% 9 mph ENE 76%
8 AM 19° Mostly Cloudy 37% 9 mph ENE 73%
9 AM 21° Mostly Cloudy 34% 9 mph ENE 70%
10 AM 22° Mostly Cloudy 31% 7 mph E 66%
11 AM 23° Mostly Cloudy 34% 6 mph E 62%
12 PM 24° Mostly Cloudy 34% 6 mph E 59%
1 PM 26° Mostly Cloudy 40% 5 mph E 56%
2 PM 27° Mostly Cloudy 40% 6 mph E 52%
3 PM 27° Mostly Cloudy 53% 6 mph E 50%
15-Day Forecast
Today
7/29
Mostly Clear
17%
17°
38°
Thu
7/30
Mostly Cloudy
48%
17°
34°
Fri
7/31
Mostly Clear
7%
13°
36°
Sat
8/1
Clear
38%
16°
38°
Sun
8/2
Clear
3%
19°
36°
Mon
8/3
Clear
38%
12°
27°
Tue
8/4
Clear
8%
7°
26°
Wed
8/5
Clear
18%
9°
28°
Thu
8/6
Partly Cloudy
18%
14°
31°
Fri
8/7
Clear
51%
13°
32°
Sat
8/8
Drizzle
51%
12°
31°
Sun
8/9
Clear
25%
18°
31°
Mon
8/10
Drizzle
60%
19°
32°
Tue
8/11
Clear
25%
19°
33°
Wed
8/12
Clear
25%
21°
34°
59
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
59 AQI 13.7 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 59 Moderate 50 59
Fri 56 Moderate 50 56
Sat 56 Moderate 47 56
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1230 J/kg
MLCAPE1200 J/kg
MUCAPE1239 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear28 kt
0–1 km Shear5 kt
Eff. Shear24 kt
0–1 km SRH-5
0–3 km SRH-31
Eff. SRH-31
Storm Motion209° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index43.3
Thermo & Levels
PWAT1.31 in
0–3 km LR9.3 °C/km
700–500 LR8.5 °C/km
Total Totals59.8
LCL646 hPa
LFC917 hPa
EL230 hPa
Freezing Lvl12,953 ft