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

McHenry County, North Dakota, United States

Last updated: 6:20 PM CDT  ·  Refresh
35°C
Feels like 34°
Partly Cloudy
▲ 38°  /  ▼ 17°
Wind
10 mph SSW
Humidity
29%
Dew Point
16°
Pressure
28.17 inHg
Visibility
9 mi
UV Index
5.3
Cloud Cover
49%
Sunrise
6:14 AM
Sunset
9:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McHenry County is currently partly cloudy at 35°C. Precipitation is likely — peak probability 62% around 9 PM. Atmospheric instability is elevated (CAPE up to 1465 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 9:22PM.

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
79 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
34%
7 PM
31°
42%
8 PM
29°
51%
9 PM
27°
62%
10 PM
25°
43%
11 PM
23°
29%
12 AM
22°
33%
1 AM
21°
37%
2 AM
21°
37%
3 AM
20°
25%
4 AM
19°
12%
5 AM
19°
12%
6 AM
17°
13%
7 AM
17°
15%
8 AM
19°
19%
9 AM
21°
22%
10 AM
23°
22%
11 AM
24°
22%
12 PM
25°
17%
1 PM
26°
13%
2 PM
28°
15%
3 PM
28°
15%
4 PM
28°
18%
5 PM
28°
18%
7-Day Forecast
Tonight
38° 17°
Mostly Cloudy with a 62% chance of rain.
Thu
30° 17°
Mostly Cloudy with a 33% chance of rain.
Fri
31° 12°
Clear.
Sat
35° 14°
Clear with a 29% chance of rain.
Sun
41° 20°
Mostly Clear.
Mon
28° 13°
Clear with a 45% chance of rain.
Tue
24° 9°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Partly Cloudy 34% 10 mph SSW 29%
7 PM 31° Partly Cloudy 42% 11 mph SSW 38%
8 PM 29° Mostly Cloudy 51% 8 mph WNW 48%
9 PM 27° Overcast 62% 8 mph N 54%
10 PM 25° Overcast 43% 8 mph ENE 60%
11 PM 23° Overcast 29% 7 mph SSE 65%
12 AM 22° Overcast 33% 8 mph SSE 72%
1 AM 21° Rain 37% 11 mph SSE 76%
2 AM 21° Overcast 37% 8 mph SSE 76%
3 AM 20° Mostly Cloudy 25% 6 mph SSE 76%
4 AM 19° Mostly Cloudy 12% 4 mph S 77%
5 AM 19° Mostly Cloudy 12% 2 mph WSW 79%
6 AM 17° Mostly Cloudy 13% 3 mph NNW 81%
7 AM 17° Overcast 15% 4 mph N 80%
8 AM 19° Mostly Cloudy 19% 5 mph NNE 73%
9 AM 21° Mostly Cloudy 22% 5 mph NNE 66%
10 AM 23° Mostly Cloudy 22% 5 mph NE 60%
11 AM 24° Mostly Cloudy 22% 5 mph NE 56%
12 PM 25° Mostly Cloudy 17% 6 mph NE 52%
1 PM 26° Mostly Cloudy 13% 6 mph NE 50%
2 PM 28° Mostly Cloudy 15% 7 mph NE 49%
3 PM 28° Mostly Cloudy 15% 8 mph NE 48%
4 PM 28° Mostly Cloudy 18% 9 mph NE 47%
5 PM 28° Mostly Cloudy 18% 10 mph NE 48%
15-Day Forecast
Today
7/29
Mostly Cloudy
62%
17°
38°
Thu
7/30
Mostly Cloudy
33%
17°
30°
Fri
7/31
Clear
12%
12°
31°
Sat
8/1
Clear
29%
14°
35°
Sun
8/2
Mostly Clear
14%
20°
41°
Mon
8/3
Clear
45%
13°
28°
Tue
8/4
Mostly Clear
17%
9°
24°
Wed
8/5
Mostly Clear
8%
8°
27°
Thu
8/6
Partly Cloudy
27%
12°
28°
Fri
8/7
Partly Cloudy
34%
12°
29°
Sat
8/8
Clear
43%
11°
29°
Sun
8/9
Drizzle
60%
15°
29°
Mon
8/10
Drizzle
60%
15°
28°
Tue
8/11
Clear
60%
16°
30°
Wed
8/12
Drizzle
60%
17°
31°
79
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
79 AQI 24.0 µg/m³
O3
Ground-level ozone
58 AQI 58 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 79 Moderate 58 79
Fri 77 Moderate 42 77
Sat 65 Moderate 34 65
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 90 100 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1375 J/kg
MLCAPE2131 J/kg
MUCAPE2722 J/kg
SBCIN-176 J/kg
MLCIN0 J/kg
Lifted Index-5.9
Kinematics
0–6 km Shear16 kt
0–1 km Shear13 kt
Eff. Shear16 kt
0–1 km SRH59
0–3 km SRH43
Eff. SRH43
Storm Motion227° @ 28 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.0
K-Index41.6
Thermo & Levels
PWAT1.52 in
0–3 km LR8.4 °C/km
700–500 LR8.0 °C/km
Total Totals58.4
LCL721 hPa
LFC655 hPa
EL215 hPa
Freezing Lvl13,661 ft