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: 6:21 PM CDT  ·  Refresh
36°C
Feels like 34°
Clear
▲ 37°  /  ▼ 18°
Wind
8 mph ESE
Humidity
25%
Dew Point
11°
Pressure
27.07 inHg
Visibility
10 mi
UV Index
6.2
Cloud Cover
8%
Sunrise
5:37 AM
Sunset
8:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McCone County is currently clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1459 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°
13%
6 PM
35°
20%
7 PM
33°
24%
8 PM
31°
24%
9 PM
27°
28%
10 PM
26°
27%
11 PM
25°
20%
12 AM
24°
15%
1 AM
22°
17%
2 AM
22°
17%
3 AM
21°
11%
4 AM
20°
13%
5 AM
18°
14%
6 AM
18°
14%
7 AM
19°
14%
8 AM
20°
14%
9 AM
22°
14%
10 AM
23°
9%
11 AM
24°
13%
12 PM
27°
13%
1 PM
29°
19%
2 PM
30°
19%
3 PM
30°
40%
4 PM
30°
41%
7-Day Forecast
Today
37° 18°
Mostly Clear with a 24% chance of rain.
Thu
31° 18°
Mostly Cloudy with a 46% chance of rain.
Fri
36° 14°
Mostly Clear.
Sat
39° 17°
Clear with a 29% chance of rain.
Sun
36° 17°
Clear.
Mon
26° 11°
Clear with a 33% chance of rain.
Tue
25° 8°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 13% 8 mph ESE 25%
6 PM 35° Mostly Clear 20% 12 mph ESE 28%
7 PM 33° Mostly Clear 24% 10 mph ESE 30%
8 PM 31° Partly Cloudy 24% 8 mph E 33%
9 PM 27° Mostly Cloudy 28% 6 mph E 38%
10 PM 26° Mostly Cloudy 27% 6 mph E 44%
11 PM 25° Mostly Cloudy 20% 6 mph E 52%
12 AM 24° Mostly Cloudy 15% 7 mph E 58%
1 AM 22° Mostly Cloudy 17% 9 mph ENE 62%
2 AM 22° Mostly Cloudy 17% 8 mph NE 64%
3 AM 21° Mostly Cloudy 11% 8 mph NE 66%
4 AM 20° Mostly Cloudy 13% 8 mph NE 70%
5 AM 18° Mostly Cloudy 14% 7 mph ENE 73%
6 AM 18° Mostly Cloudy 14% 9 mph E 74%
7 AM 19° Mostly Cloudy 14% 8 mph E 70%
8 AM 20° Mostly Cloudy 14% 8 mph E 66%
9 AM 22° Mostly Cloudy 14% 9 mph E 62%
10 AM 23° Mostly Cloudy 9% 8 mph E 56%
11 AM 24° Mostly Cloudy 13% 7 mph E 51%
12 PM 27° Mostly Cloudy 13% 7 mph E 46%
1 PM 29° Mostly Cloudy 19% 6 mph E 42%
2 PM 30° Mostly Cloudy 19% 6 mph E 38%
3 PM 30° Mostly Cloudy 40% 7 mph E 36%
4 PM 30° Mostly Cloudy 41% 8 mph ESE 37%
15-Day Forecast
Today
7/29
Mostly Clear
24%
18°
37°
Thu
7/30
Mostly Cloudy
46%
18°
31°
Fri
7/31
Mostly Clear
19%
14°
36°
Sat
8/1
Clear
29%
17°
39°
Sun
8/2
Clear
3%
17°
36°
Mon
8/3
Clear
33%
11°
26°
Tue
8/4
Clear
7%
8°
25°
Wed
8/5
Clear
14%
10°
28°
Thu
8/6
Partly Cloudy
35%
13°
31°
Fri
8/7
Clear
44%
13°
32°
Sat
8/8
Rain
57%
14°
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, 22:00'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
SBCAPE925 J/kg
MLCAPE1022 J/kg
MUCAPE1100 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.3
Kinematics
0–6 km Shear30 kt
0–1 km Shear7 kt
Eff. Shear27 kt
0–1 km SRH-23
0–3 km SRH-44
Eff. SRH-44
Storm Motion212° @ 20 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index43.3
Thermo & Levels
PWAT1.27 in
0–3 km LR9.2 °C/km
700–500 LR8.5 °C/km
Total Totals59.4
LCL642 hPa
LFC917 hPa
EL244 hPa
Freezing Lvl12,995 ft