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

Dawson County, Montana, United States

Last updated: 6:24 PM CDT  ·  Refresh
34°C
Feels like 33°
Partly Cloudy
▲ 35°  /  ▼ 18°
Wind
12 mph SSE
Humidity
31%
Dew Point
14°
Pressure
27.19 inHg
Visibility
10 mi
UV Index
5.9
Cloud Cover
39%
Sunrise
5:34 AM
Sunset
8:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dawson County is currently partly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1482 J/kg) — isolated convective development possible. Sunrise: 5:34AM · Sunset: 8:36PM.

48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
30%
6 PM
33°
35%
7 PM
32°
35%
8 PM
30°
32%
9 PM
27°
19%
10 PM
26°
19%
11 PM
25°
15%
12 AM
24°
16%
1 AM
22°
16%
2 AM
22°
16%
3 AM
21°
17%
4 AM
20°
23%
5 AM
18°
24%
6 AM
18°
24%
7 AM
19°
28%
8 AM
21°
23%
9 AM
22°
23%
10 AM
23°
24%
11 AM
24°
28%
12 PM
27°
16%
1 PM
28°
20%
2 PM
28°
17%
3 PM
28°
17%
4 PM
28°
17%
7-Day Forecast
Today
35° 18°
Partly Cloudy with a 32% chance of rain.
Thu
30° 18°
Mostly Cloudy with a 28% chance of rain.
Fri
35° 14°
Mostly Clear.
Sat
39° 16°
Clear.
Sun
36° 18°
Clear.
Mon
27° 12°
Mostly Clear.
Tue
25°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Partly Cloudy 30% 12 mph SSE 31%
6 PM 33° Partly Cloudy 35% 12 mph SSE 38%
7 PM 32° Partly Cloudy 35% 10 mph SSE 41%
8 PM 30° Partly Cloudy 32% 9 mph SSE 47%
9 PM 27° Mostly Cloudy 19% 10 mph SE 52%
10 PM 26° Mostly Cloudy 19% 8 mph SSE 54%
11 PM 25° Overcast 15% 8 mph S 55%
12 AM 24° Overcast 16% 9 mph S 58%
1 AM 22° Drizzle 16% 7 mph S 61%
2 AM 22° Overcast 16% 4 mph SSE 65%
3 AM 21° Overcast 17% 3 mph ESE 67%
4 AM 20° Overcast 23% 4 mph E 70%
5 AM 18° Overcast 24% 6 mph E 72%
6 AM 18° Overcast 24% 6 mph ENE 72%
7 AM 19° Overcast 28% 6 mph ENE 67%
8 AM 21° Overcast 23% 7 mph ENE 62%
9 AM 22° Overcast 23% 7 mph NE 58%
10 AM 23° Overcast 24% 6 mph NE 53%
11 AM 24° Overcast 28% 7 mph NNE 47%
12 PM 27° Mostly Cloudy 16% 8 mph NE 44%
1 PM 28° Mostly Cloudy 20% 7 mph ENE 42%
2 PM 28° Mostly Cloudy 17% 7 mph ESE 39%
3 PM 28° Mostly Cloudy 17% 8 mph SE 38%
4 PM 28° Mostly Cloudy 17% 7 mph SE 39%
15-Day Forecast
Today
7/29
Partly Cloudy
32%
18°
35°
Thu
7/30
Mostly Cloudy
28%
18°
30°
Fri
7/31
Mostly Clear
11%
14°
35°
Sat
8/1
Clear
3%
16°
39°
Sun
8/2
Clear
3%
18°
36°
Mon
8/3
Mostly Clear
13%
12°
27°
Tue
8/4
Clear
7%
25°
Wed
8/5
Clear
16%
28°
Thu
8/6
Partly Cloudy
27%
12°
31°
Fri
8/7
Clear
47%
13°
32°
Sat
8/8
Rain
55%
14°
30°
Sun
8/9
Clear
25%
18°
31°
Mon
8/10
Drizzle
60%
18°
32°
Tue
8/11
Drizzle
60%
19°
33°
Wed
8/12
Drizzle
60%
20°
34°
48
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
48 AQI 8.8 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 48 Good 45 48
Fri 50 Good 50 47
Sat 47 Good 47 46
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
SBCAPE1179 J/kg
MLCAPE1159 J/kg
MUCAPE1200 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear35 kt
0–1 km Shear9 kt
Eff. Shear32 kt
0–1 km SRH15
0–3 km SRH-49
Eff. SRH-49
Storm Motion213° @ 24 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT1.35 in
0–3 km LR8.2 °C/km
700–500 LR8.5 °C/km
Total Totals57.6
LCL692 hPa
LFC921 hPa
EL224 hPa
Freezing Lvl13,179 ft