Williams County, North Dakota, United States

Last updated: 4:54 PM CDT  ·  Refresh
19°C
Feels like 14°
Clear
▲ 20°  /  ▼ 4°
Wind
12 mph SE
Humidity
35%
Dew Point
4°
Pressure
27.83 inHg
Visibility
10 mi
UV Index
6.2
Cloud Cover
4%
Sunrise
7:26 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Williams County is currently clear at 19°C. Precipitation is likely — peak probability 90% around 8 AM. Sunrise: 7:26AM · Sunset: 8:10PM.

Alerts

No active alerts for this location.
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
3%
5 PM
20°
3%
6 PM
19°
3%
7 PM
18°
12%
8 PM
17°
12%
9 PM
14°
12%
10 PM
14°
20%
11 PM
14°
20%
12 AM
13°
26%
1 AM
13°
37%
2 AM
13°
68%
3 AM
13°
55%
4 AM
13°
72%
5 AM
12°
87%
6 AM
11°
87%
7 AM
11°
87%
8 AM
11°
90%
9 AM
11°
90%
10 AM
12°
90%
11 AM
14°
64%
12 PM
14°
60%
1 PM
16°
43%
2 PM
16°
43%
3 PM
16°
42%
7-Day Forecast
Today
20° 4°
Mostly Clear with a 20% chance of rain.
Mon
18° 8°
Overcast with a 90% chance of rain.
Tue
16° 7°
Partly Cloudy.
Wed
17° 6°
Partly Cloudy with a 38% chance of rain.
Thu
24° 6°
Clear with a 52% chance of rain.
Fri
21° 11°
Rain, 78% chance.
Sat
19° 11°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Clear 3% 12 mph SE 35%
5 PM 20° Mostly Clear 3% 13 mph SE 35%
6 PM 19° Mostly Clear 3% 14 mph SE 36%
7 PM 18° Mostly Clear 12% 13 mph ESE 38%
8 PM 17° Partly Cloudy 12% 14 mph SE 41%
9 PM 14° Partly Cloudy 12% 14 mph SE 44%
10 PM 14° Partly Cloudy 20% 16 mph SE 46%
11 PM 14° Mostly Cloudy 20% 16 mph SE 48%
12 AM 13° Partly Cloudy 26% 16 mph SE 51%
1 AM 13° Mostly Cloudy 37% 16 mph SE 52%
2 AM 13° Overcast 68% 17 mph SE 53%
3 AM 13° Overcast 55% 18 mph SE 54%
4 AM 13° Rain 72% 17 mph SE 58%
5 AM 12° Rain 87% 14 mph SE 65%
6 AM 11° Rain 87% 13 mph SE 76%
7 AM 11° Overcast 87% 9 mph SE 82%
8 AM 11° Overcast 90% 7 mph S 87%
9 AM 11° Overcast 90% 7 mph SSW 93%
10 AM 12° Overcast 90% 10 mph SW 88%
11 AM 14° Overcast 64% 14 mph WSW 83%
12 PM 14° Overcast 60% 18 mph WSW 77%
1 PM 16° Overcast 43% 19 mph WSW 72%
2 PM 16° Overcast 43% 19 mph WSW 68%
3 PM 16° Mostly Cloudy 42% 19 mph WSW 64%
15-Day Forecast
Today
9/13
Mostly Clear
20%
4°
20°
Mon
9/14
Overcast
90%
8°
18°
Tue
9/15
Partly Cloudy
10%
7°
16°
Wed
9/16
Partly Cloudy
38%
6°
17°
Thu
9/17
Clear
52%
6°
24°
Fri
9/18
Rain
78%
11°
21°
Sat
9/19
Drizzle
63%
11°
19°
Sun
9/20
Overcast
35%
11°
22°
Mon
9/21
Clear
35%
8°
22°
Tue
9/22
Partly Cloudy
19%
9°
24°
Wed
9/23
Drizzle
60%
9°
24°
Thu
9/24
Drizzle
60%
13°
22°
Fri
9/25
Drizzle
60%
12°
21°
Sat
9/26
Drizzle
60%
11°
18°
Sun
9/27
Drizzle
60%
10°
19°
32
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
14 AQI 2.7 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 32 Good 32 14
Tue 31 Good 31 14
Wed 26 Good 26 8
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE2 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index8.1
Kinematics
0–6 km Shear45 kt
0–1 km Shear11 kt
Eff. Shear—
0–1 km SRH43
0–3 km SRH21
Eff. SRH—
Storm Motion313° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index15.8
Thermo & Levels
PWAT0.82 in
0–3 km LR5.0 °C/km
700–500 LR6.9 °C/km
Total Totals40.1
LCL748 hPa
LFC—
EL—
Freezing Lvl11,906 ft