Three Forks, Montana

Last updated: 11:57 AM CDT  ·  Refresh
3°C
Feels like 1°
Mostly Clear
▲ 12°  /  ▼ -4°
Wind
1 mph SSE
Humidity
67%
Dew Point
-1°
Pressure
25.80 inHg
Visibility
10 mi
UV Index
5.3
Cloud Cover
23%
Sunrise
7:11 AM
Sunset
5:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Three Forks is currently mostly clear at 3°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:11AM · Sunset: 5:06PM.

Alerts

No active alerts for this location.
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
3°
0%
11 AM
5°
0%
12 PM
10°
0%
1 PM
11°
1%
2 PM
12°
1%
3 PM
11°
2%
4 PM
7°
2%
5 PM
6°
1%
6 PM
4°
1%
7 PM
4°
1%
8 PM
2°
1%
9 PM
1°
1%
10 PM
1°
1%
11 PM
0°
0%
12 AM
-1°
0%
1 AM
-2°
0%
2 AM
-2°
0%
3 AM
-2°
0%
4 AM
-4°
0%
5 AM
-3°
0%
6 AM
-3°
0%
7 AM
-3°
0%
8 AM
-1°
0%
9 AM
1°
0%
7-Day Forecast
Today
12° -4°
Mostly Cloudy.
Fri
14° -4°
Partly Cloudy.
Sat
17° 1°
Mostly Clear.
Sun
17° -2°
Partly Cloudy.
Mon
12° -3°
Mostly Cloudy.
Tue
15° -2°
Mostly Clear.
Wed
15° -2°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 3° Mostly Clear 0% 1 mph SSE 67%
11 AM 5° Overcast 0% 1 mph SSW 62%
12 PM 10° Overcast 0% 2 mph WSW 54%
1 PM 11° Overcast 1% 3 mph W 50%
2 PM 12° Overcast 1% 4 mph W 48%
3 PM 11° Overcast 2% 3 mph N 54%
4 PM 7° Overcast 2% 3 mph N 60%
5 PM 6° Mostly Cloudy 1% 3 mph NNW 66%
6 PM 4° Mostly Cloudy 1% 2 mph WNW 71%
7 PM 4° Partly Cloudy 1% 2 mph WSW 74%
8 PM 2° Mostly Clear 1% 2 mph WNW 77%
9 PM 1° Mostly Clear 1% 2 mph WNW 78%
10 PM 1° Clear 1% 2 mph W 80%
11 PM 0° Clear 0% 2 mph NW 81%
12 AM -1° Clear 0% 2 mph W 81%
1 AM -2° Clear 0% 2 mph SSW 82%
2 AM -2° Clear 0% 2 mph SSW 83%
3 AM -2° Mostly Clear 0% 3 mph SSW 84%
4 AM -4° Mostly Clear 0% 3 mph SSW 84%
5 AM -3° Mostly Clear 0% 3 mph S 84%
6 AM -3° Mostly Clear 0% 3 mph SSW 84%
7 AM -3° Mostly Clear 0% 3 mph SSW 85%
8 AM -1° Mostly Clear 0% 3 mph S 81%
9 AM 1° Mostly Clear 0% 3 mph SSW 74%
15-Day Forecast
Today
11/5
Mostly Cloudy
2%
-4°
12°
Fri
11/6
Partly Cloudy
1%
-4°
14°
Sat
11/7
Mostly Clear
0%
1°
17°
Sun
11/8
Partly Cloudy
1%
-2°
17°
Mon
11/9
Mostly Cloudy
0%
-3°
12°
Tue
11/10
Mostly Clear
1%
-2°
15°
Wed
11/11
Mostly Clear
3%
-2°
15°
Thu
11/12
Partly Cloudy
4%
-1°
14°
Fri
11/13
Partly Cloudy
7%
-2°
14°
Sat
11/14
Partly Cloudy
18%
-1°
13°
Sun
11/15
Partly Cloudy
18%
-2°
11°
Mon
11/16
Mostly Cloudy
40%
-4°
9°
Tue
11/17
Clear
39%
-2°
7°
Wed
11/18
Drizzle
65%
-3°
7°
Thu
11/19
Clear
65%
-3°
7°
39
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
39 AQI 7.0 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 39 Good 27 39
Sat 39 Good 28 39
Sun 47 Good 25 47
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 Thu Nov 5, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE30 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index11.9
Kinematics
0–6 km Shear19 kt
0–1 km Shear18 kt
Eff. Shear—
0–1 km SRH14
0–3 km SRH38
Eff. SRH—
Storm Motion255° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index8.1
Thermo & Levels
PWAT0.31 in
0–3 km LR3.9 °C/km
700–500 LR6.1 °C/km
Total Totals36.0
LCL817 hPa
LFC874 hPa
EL874 hPa
Freezing Lvl4,567 ft