Heat Advisory — Williams, ND, Mountrail, ND, McKenzie, ND, Dunn, ND, Mercer, ND, Oliver, ND, Golden Valley, ND, Billings, ND, Stark, ND, Burleigh, ND, Hettinger, ND, Grant, ND, Emmons, ND, Western McLean, ND, Eastern McLean, ND, Western Morton, ND, Eastern Morton, ND, Western Sioux, ND, Eastern Sioux, ND, McHenry, ND, Pierce, ND, Sheridan, ND, Wells, ND, Foster, ND, Kidder, ND, Stutsman, ND, Adams, ND, Logan, ND, La Moure, ND, McIntosh, ND, Dickey, ND, Central and Southern Ward/Minot Area, ND 8:00 PM

Williams County, North Dakota, United States

Last updated: 5:16 PM CDT  ·  Refresh
34°C
Feels like 36°
Mostly Clear
▲ 37°  /  ▼ 17°
Wind
15 mph SW
Humidity
37%
Dew Point
15°
Pressure
27.59 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
29%
Sunrise
6:25 AM
Sunset
9:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Williams County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1081 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 9:34PM.

Alerts

Heat Advisory
Williams, ND, Mountrail, ND, McKenzie, ND, Dunn, ND, Mercer, ND, Oliver, ND, Golden Valley, ND, Billings, ND, Stark, ND, Burleigh, ND, Hettinger, ND, Grant, ND, Emmons, ND, Western McLean, ND, Eastern McLean, ND, Western Morton, ND, Eastern Morton, ND, Western Sioux, ND, Eastern Sioux, ND, McHenry, ND, Pierce, ND, Sheridan, ND, Wells, ND, Foster, ND, Kidder, ND, Stutsman, ND, Adams, ND, Logan, ND, La Moure, ND, McIntosh, ND, Dickey, ND, Central and Southern Ward/Minot Area, ND
Expires 8:00 PM
87 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
35%
6 PM
32°
40%
7 PM
31°
31%
8 PM
29°
33%
9 PM
27°
26%
10 PM
24°
24%
11 PM
23°
24%
12 AM
22°
17%
1 AM
22°
5%
2 AM
21°
5%
3 AM
20°
5%
4 AM
20°
5%
5 AM
19°
5%
6 AM
17°
5%
7 AM
17°
5%
8 AM
18°
5%
9 AM
19°
5%
10 AM
22°
7%
11 AM
22°
11%
12 PM
24°
9%
1 PM
25°
9%
2 PM
27°
11%
3 PM
27°
11%
4 PM
27°
15%
7-Day Forecast
Today
37° 17°
Partly Cloudy with a 35% chance of rain.
Thu
31° 17°
Mostly Cloudy.
Fri
33° 14°
Clear.
Sat
35° 16°
Clear.
Sun
36° 19°
Clear.
Mon
26° 12°
Partly Cloudy.
Tue
23° 6°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 35% 15 mph SW 37%
6 PM 32° Partly Cloudy 40% 12 mph S 46%
7 PM 31° Partly Cloudy 31% 9 mph S 49%
8 PM 29° Partly Cloudy 33% 6 mph SE 51%
9 PM 27° Partly Cloudy 26% 6 mph SE 56%
10 PM 24° Partly Cloudy 24% 5 mph SE 63%
11 PM 23° Partly Cloudy 24% 4 mph ESE 68%
12 AM 22° Mostly Cloudy 17% 4 mph E 71%
1 AM 22° Mostly Cloudy 5% 5 mph ENE 73%
2 AM 21° Overcast 5% 5 mph E 75%
3 AM 20° Mostly Cloudy 5% 5 mph E 78%
4 AM 20° Mostly Cloudy 5% 6 mph E 80%
5 AM 19° Mostly Cloudy 5% 5 mph NE 82%
6 AM 17° Mostly Cloudy 5% 6 mph NNE 83%
7 AM 17° Mostly Cloudy 5% 7 mph NE 82%
8 AM 18° Mostly Cloudy 5% 8 mph NE 75%
9 AM 19° Partly Cloudy 5% 8 mph ENE 67%
10 AM 22° Partly Cloudy 7% 9 mph ENE 61%
11 AM 22° Mostly Cloudy 11% 8 mph ENE 56%
12 PM 24° Overcast 9% 8 mph ENE 52%
1 PM 25° Overcast 9% 8 mph ENE 48%
2 PM 27° Overcast 11% 8 mph ENE 44%
3 PM 27° Mostly Cloudy 11% 8 mph NE 41%
4 PM 27° Mostly Cloudy 15% 8 mph NE 39%
15-Day Forecast
Today
7/29
Partly Cloudy
35%
17°
37°
Thu
7/30
Mostly Cloudy
17%
17°
31°
Fri
7/31
Clear
14%
14°
33°
Sat
8/1
Clear
16%
16°
35°
Sun
8/2
Clear
11%
19°
36°
Mon
8/3
Partly Cloudy
19%
12°
26°
Tue
8/4
Mostly Clear
17%
6°
23°
Wed
8/5
Clear
18%
7°
26°
Thu
8/6
Mostly Cloudy
43%
12°
28°
Fri
8/7
Mostly Clear
42%
13°
29°
Sat
8/8
Drizzle
60%
9°
27°
Sun
8/9
Drizzle
60%
16°
27°
Mon
8/10
Drizzle
60%
17°
28°
Tue
8/11
Drizzle
60%
17°
30°
Wed
8/12
Drizzle
60%
18°
31°
87
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
87 AQI 28.6 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 87 Moderate 47 87
Fri 73 Moderate 37 73
Sat 66 Moderate 45 66
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, 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
SBCAPE1608 J/kg
MLCAPE1655 J/kg
MUCAPE2010 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear21 kt
0–1 km Shear13 kt
Eff. Shear21 kt
0–1 km SRH-69
0–3 km SRH-24
Eff. SRH-24
Storm Motion215° @ 26 kt
0–1 km EHI-0.7
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index42.9
Thermo & Levels
PWAT1.53 in
0–3 km LR8.7 °C/km
700–500 LR7.9 °C/km
Total Totals57.2
LCL706 hPa
LFC934 hPa
EL208 hPa
Freezing Lvl13,084 ft