Lake Wind Advisory — Central and Southeast Phillips, MT, Central and Southern Valley, MT, Petroleum, MT, Garfield, MT, McCone, MT 1:00 AM

Petroleum County, Montana, United States

Last updated: 5:56 PM CDT  ·  Refresh
23°C
Feels like 18°
Clear
▲ 24°  /  ▼ 7°
Wind
15 mph SE
Humidity
33%
Dew Point
6°
Pressure
26.79 inHg
Visibility
10 mi
UV Index
5.5
Cloud Cover
2%
Sunrise
6:47 AM
Sunset
7:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Petroleum County is currently clear at 23°C. Precipitation is likely — peak probability 78% around 3 AM. Sunrise: 6:47AM · Sunset: 7:28PM.

Alerts

Lake Wind Advisory
Central and Southeast Phillips, MT, Central and Southern Valley, MT, Petroleum, MT, Garfield, MT, McCone, MT
Expires 1:00 AM
34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
6%
5 PM
24°
25%
6 PM
22°
28%
7 PM
20°
28%
8 PM
18°
28%
9 PM
17°
39%
10 PM
15°
37%
11 PM
14°
41%
12 AM
13°
60%
1 AM
12°
75%
2 AM
11°
75%
3 AM
10°
77%
4 AM
9°
67%
5 AM
7°
40%
6 AM
7°
24%
7 AM
8°
16%
8 AM
9°
16%
9 AM
11°
16%
10 AM
12°
13%
11 AM
15°
5%
12 PM
15°
5%
1 PM
16°
5%
2 PM
17°
5%
3 PM
16°
5%
7-Day Forecast
Today
24° 7°
Clear with a 37% chance of rain.
Mon
21° 7°
Mostly Cloudy with a 75% chance of rain.
Tue
19° 4°
Partly Cloudy.
Wed
22° 6°
Clear with a 49% chance of rain.
Thu
29° 9°
Mostly Clear with a 55% chance of rain.
Fri
26° 12°
Rain, 78% chance.
Sat
26° 13°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 6% 15 mph SE 33%
5 PM 24° Clear 25% 14 mph SE 32%
6 PM 22° Clear 28% 9 mph ESE 36%
7 PM 20° Clear 28% 9 mph ESE 41%
8 PM 18° Clear 28% 6 mph E 46%
9 PM 17° Clear 39% 7 mph NNW 52%
10 PM 15° Mostly Clear 37% 9 mph NW 58%
11 PM 14° Partly Cloudy 41% 13 mph NW 64%
12 AM 13° Drizzle 60% 17 mph NW 67%
1 AM 12° Rain 75% 21 mph NW 71%
2 AM 11° Rain 75% 23 mph NW 74%
3 AM 10° Rain 77% 21 mph NW 74%
4 AM 9° Overcast 67% 20 mph NW 72%
5 AM 7° Mostly Cloudy 40% 17 mph NW 74%
6 AM 7° Overcast 24% 13 mph WNW 71%
7 AM 8° Overcast 16% 13 mph W 68%
8 AM 9° Overcast 16% 15 mph W 61%
9 AM 11° Overcast 16% 16 mph W 55%
10 AM 12° Mostly Cloudy 13% 18 mph W 50%
11 AM 15° Mostly Cloudy 5% 19 mph W 46%
12 PM 15° Mostly Cloudy 5% 20 mph W 46%
1 PM 16° Partly Cloudy 5% 22 mph WNW 47%
2 PM 17° Partly Cloudy 5% 24 mph WNW 47%
3 PM 16° Partly Cloudy 5% 24 mph WNW 49%
15-Day Forecast
Today
9/13
Clear
37%
7°
24°
Mon
9/14
Mostly Cloudy
75%
7°
21°
Tue
9/15
Partly Cloudy
3%
4°
19°
Wed
9/16
Clear
49%
6°
22°
Thu
9/17
Mostly Clear
55%
9°
29°
Fri
9/18
Rain
78%
12°
26°
Sat
9/19
Drizzle
60%
13°
26°
Sun
9/20
Partly Cloudy
60%
12°
27°
Mon
9/21
Clear
25%
9°
27°
Tue
9/22
Mostly Clear
44%
10°
28°
Wed
9/23
Clear
60%
10°
27°
Thu
9/24
Drizzle
60%
13°
25°
Fri
9/25
Drizzle
60%
12°
23°
Sat
9/26
Drizzle
60%
11°
22°
Sun
9/27
Drizzle
60%
11°
23°
34
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
16 AQI 2.9 µg/m³
O3
Ground-level ozone
Dominant
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 34 Good 34 16
Tue 34 Good 34 23
Wed 31 Good 31 16
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 Sun Sep 13, 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
SBCAPE18 J/kg
MLCAPE3 J/kg
MUCAPE98 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index1.0
Kinematics
0–6 km Shear49 kt
0–1 km Shear8 kt
Eff. Shear17 kt
0–1 km SRH58
0–3 km SRH196
Eff. SRH82
Storm Motion253° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.8
Thermo & Levels
PWAT0.84 in
0–3 km LR6.7 °C/km
700–500 LR8.5 °C/km
Total Totals47.6
LCL703 hPa
LFC907 hPa
EL795 hPa
Freezing Lvl11,070 ft