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: 6:22 PM CDT  ·  Refresh
33°C
Feels like 35°
Mostly Clear
▲ 36°  /  ▼ 17°
Wind
13 mph SW
Humidity
42%
Dew Point
15°
Pressure
27.58 inHg
Visibility
10 mi
UV Index
5.9
Cloud Cover
27%
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 33°C. Precipitation is likely — peak probability 62% around 6 PM. Atmospheric instability is elevated (CAPE up to 1206 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
33°
61%
7 PM
30°
37%
8 PM
28°
49%
9 PM
26°
44%
10 PM
23°
22%
11 PM
22°
22%
12 AM
22°
15%
1 AM
21°
4%
2 AM
21°
4%
3 AM
20°
4%
4 AM
19°
7%
5 AM
19°
11%
6 AM
17°
14%
7 AM
17°
14%
8 AM
18°
14%
9 AM
19°
14%
10 AM
22°
24%
11 AM
23°
21%
12 PM
24°
12%
1 PM
26°
12%
2 PM
28°
14%
3 PM
28°
14%
4 PM
28°
26%
5 PM
28°
26%
7-Day Forecast
Tonight
36° 17°
Partly Cloudy with a 61% chance of rain.
Thu
30° 17°
Mostly Cloudy with a 20% chance of rain.
Fri
33° 14°
Clear with a 25% chance of rain.
Sat
36° 16°
Clear.
Sun
36° 18°
Clear.
Mon
25° 11°
Mostly Cloudy.
Tue
23° 7°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 61% 13 mph SW 42%
7 PM 30° Partly Cloudy 37% 10 mph S 53%
8 PM 28° Partly Cloudy 49% 8 mph SSE 60%
9 PM 26° Partly Cloudy 44% 5 mph SE 67%
10 PM 23° Partly Cloudy 22% 5 mph SE 71%
11 PM 22° Partly Cloudy 22% 5 mph SE 72%
12 AM 22° Mostly Cloudy 15% 4 mph ESE 73%
1 AM 21° Overcast 4% 4 mph NE 74%
2 AM 21° Overcast 4% 4 mph ENE 76%
3 AM 20° Mostly Cloudy 4% 4 mph E 77%
4 AM 19° Mostly Cloudy 7% 4 mph E 78%
5 AM 19° Mostly Cloudy 11% 5 mph NE 80%
6 AM 17° Mostly Cloudy 14% 7 mph NE 82%
7 AM 17° Mostly Cloudy 14% 8 mph NE 80%
8 AM 18° Mostly Cloudy 14% 9 mph ENE 74%
9 AM 19° Partly Cloudy 14% 9 mph ENE 67%
10 AM 22° Mostly Cloudy 24% 9 mph ENE 60%
11 AM 23° Mostly Cloudy 21% 9 mph ENE 55%
12 PM 24° Overcast 12% 9 mph ENE 48%
1 PM 26° Overcast 12% 9 mph ENE 42%
2 PM 28° Overcast 14% 10 mph ENE 38%
3 PM 28° Mostly Cloudy 14% 10 mph ENE 35%
4 PM 28° Mostly Cloudy 26% 10 mph ENE 34%
5 PM 28° Mostly Cloudy 26% 10 mph ENE 34%
15-Day Forecast
Today
7/29
Partly Cloudy
61%
17°
36°
Thu
7/30
Mostly Cloudy
20%
17°
30°
Fri
7/31
Clear
25%
14°
33°
Sat
8/1
Clear
13%
16°
36°
Sun
8/2
Clear
3%
18°
36°
Mon
8/3
Mostly Cloudy
17%
11°
25°
Tue
8/4
Mostly Clear
15%
7°
23°
Wed
8/5
Clear
8%
9°
26°
Thu
8/6
Mostly Cloudy
34%
12°
28°
Fri
8/7
Mostly Clear
34%
12°
29°
Sat
8/8
Clear
36%
11°
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, 22:00'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
SBCAPE1291 J/kg
MLCAPE1279 J/kg
MUCAPE1675 J/kg
SBCIN-249 J/kg
MLCIN0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear21 kt
0–1 km Shear8 kt
Eff. Shear22 kt
0–1 km SRH-38
0–3 km SRH-33
Eff. SRH-33
Storm Motion223° @ 26 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index40.8
Thermo & Levels
PWAT1.36 in
0–3 km LR8.2 °C/km
700–500 LR8.4 °C/km
Total Totals58.7
LCL716 hPa
LFC645 hPa
EL216 hPa
Freezing Lvl13,130 ft