Three Forks, Montana

Last updated: 11:13 AM CDT  ·  Refresh
1°C
Feels like -2°
Mostly Clear
▲ 11°  /  ▼ -3°
Wind
1 mph SSE
Humidity
74%
Dew Point
-2°
Pressure
25.86 inHg
Visibility
10 mi
UV Index
4.8
Cloud Cover
21%
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 1°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
1°
0%
11 AM
3°
0%
12 PM
6°
0%
1 PM
10°
0%
2 PM
11°
1%
3 PM
11°
1%
4 PM
10°
2%
5 PM
7°
1%
6 PM
6°
1%
7 PM
4°
1%
8 PM
3°
1%
9 PM
1°
1%
10 PM
1°
1%
11 PM
0°
0%
12 AM
-1°
0%
1 AM
-1°
0%
2 AM
-2°
0%
3 AM
-2°
0%
4 AM
-3°
0%
5 AM
-3°
0%
6 AM
-3°
0%
7 AM
-3°
0%
8 AM
-2°
0%
9 AM
-1°
0%
7-Day Forecast
Today
11° -3°
Mostly Cloudy.
Fri
13° -3°
Partly Cloudy.
Sat
16° 1°
Mostly Clear.
Sun
16° -3°
Partly Cloudy.
Mon
12° -3°
Partly Cloudy.
Tue
14° -2°
Mostly Clear.
Wed
14° -2°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 1° Mostly Clear 0% 1 mph SSE 74%
11 AM 3° Partly Cloudy 0% 1 mph E 68%
12 PM 6° Overcast 0% 1 mph SW 63%
1 PM 10° Overcast 0% 2 mph W 55%
2 PM 11° Overcast 1% 3 mph W 52%
3 PM 11° Overcast 1% 3 mph WNW 50%
4 PM 10° Overcast 2% 3 mph N 57%
5 PM 7° Overcast 1% 3 mph N 63%
6 PM 6° Mostly Cloudy 1% 2 mph NNW 70%
7 PM 4° Mostly Cloudy 1% 2 mph WNW 74%
8 PM 3° Partly Cloudy 1% 2 mph W 77%
9 PM 1° Mostly Clear 1% 2 mph NW 80%
10 PM 1° Mostly Clear 1% 1 mph NW 80%
11 PM 0° Clear 0% 1 mph NW 82%
12 AM -1° Clear 0% 2 mph NW 83%
1 AM -1° Clear 0% 1 mph W 84%
2 AM -2° Clear 0% 1 mph SSW 85%
3 AM -2° Clear 0% 2 mph SSW 85%
4 AM -3° Clear 0% 2 mph SSW 86%
5 AM -3° Mostly Clear 0% 2 mph SSW 86%
6 AM -3° Mostly Clear 0% 2 mph S 87%
7 AM -3° Mostly Clear 0% 2 mph SSW 87%
8 AM -2° Mostly Clear 0% 2 mph SSW 87%
9 AM -1° Mostly Clear 0% 3 mph S 83%
15-Day Forecast
Today
11/5
Mostly Cloudy
2%
-3°
11°
Fri
11/6
Partly Cloudy
1%
-3°
13°
Sat
11/7
Mostly Clear
0%
1°
16°
Sun
11/8
Partly Cloudy
0%
-3°
16°
Mon
11/9
Partly Cloudy
0%
-3°
12°
Tue
11/10
Mostly Clear
1%
-2°
14°
Wed
11/11
Mostly Clear
2%
-2°
14°
Thu
11/12
Partly Cloudy
4%
-1°
14°
Fri
11/13
Partly Cloudy
6%
-2°
13°
Sat
11/14
Partly Cloudy
18%
-1°
13°
Sun
11/15
Partly Cloudy
18%
-2°
11°
Mon
11/16
Mostly Cloudy
44%
-4°
9°
Tue
11/17
Clear
39%
-2°
7°
Wed
11/18
Drizzle
65%
-3°
7°
Thu
11/19
Drizzle
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 7.1 µg/m³
O3
Ground-level ozone
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 39 Good 26 39
Sat 38 Good 29 38
Sun 46 Good 24 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 Thu Nov 5, 15:00'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
MLCAPE28 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index14.7
Kinematics
0–6 km Shear20 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH13
0–3 km SRH38
Eff. SRH—
Storm Motion255° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index7.9
Thermo & Levels
PWAT0.31 in
0–3 km LR3.1 °C/km
700–500 LR6.1 °C/km
Total Totals35.8
LCL833 hPa
LFC876 hPa
EL876 hPa
Freezing Lvl4,573 ft