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: 7:30 PM CDT  ·  Refresh
32°C
Feels like 32°
Partly Cloudy
▲ 37°  /  ▼ 16°
Wind
11 mph SSW
Humidity
38%
Dew Point
16°
Pressure
28.17 inHg
Visibility
10 mi
UV Index
3.5
Cloud Cover
54%
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 32°C. Precipitation is likely — peak probability 65% around 8 PM. Atmospheric instability is elevated (CAPE up to 1536 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
32°
45%
8 PM
28°
65%
9 PM
26°
57%
10 PM
24°
26%
11 PM
24°
28%
12 AM
22°
28%
1 AM
21°
23%
2 AM
20°
12%
3 AM
19°
12%
4 AM
19°
12%
5 AM
18°
12%
6 AM
16°
12%
7 AM
17°
13%
8 AM
19°
19%
9 AM
21°
22%
10 AM
23°
22%
11 AM
24°
22%
12 PM
25°
14%
1 PM
26°
13%
2 PM
28°
15%
3 PM
28°
15%
4 PM
28°
18%
5 PM
28°
18%
6 PM
27°
18%
7-Day Forecast
Tonight
37° 16°
Partly Cloudy with a 45% chance of rain.
Thu
30° 16°
Mostly Cloudy with a 23% chance of rain.
Fri
31° 12°
Clear.
Sat
35° 14°
Clear with a 32% chance of rain.
Sun
41° 19°
Mostly Clear.
Mon
28° 13°
Drizzle, 45% chance.
Tue
24° 9°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 45% 11 mph SSW 38%
8 PM 28° Partly Cloudy 65% 10 mph SW 50%
9 PM 26° Mostly Cloudy 57% 9 mph SW 57%
10 PM 24° Overcast 26% 8 mph SSW 62%
11 PM 24° Mostly Cloudy 28% 7 mph SSW 66%
12 AM 22° Mostly Cloudy 28% 7 mph SSW 72%
1 AM 21° Mostly Cloudy 23% 7 mph S 76%
2 AM 20° Mostly Cloudy 12% 6 mph S 76%
3 AM 19° Mostly Cloudy 12% 4 mph S 77%
4 AM 19° Mostly Cloudy 12% 3 mph SE 78%
5 AM 18° Mostly Cloudy 12% 3 mph E 80%
6 AM 16° Mostly Cloudy 12% 4 mph NE 81%
7 AM 17° Overcast 13% 4 mph NE 79%
8 AM 19° Overcast 19% 4 mph NE 72%
9 AM 21° Overcast 22% 4 mph NE 65%
10 AM 23° Mostly Cloudy 22% 4 mph NE 60%
11 AM 24° Mostly Cloudy 22% 4 mph NNE 56%
12 PM 25° Mostly Cloudy 14% 4 mph NNE 52%
1 PM 26° Mostly Cloudy 13% 5 mph NNE 50%
2 PM 28° Mostly Cloudy 15% 6 mph NNE 48%
3 PM 28° Mostly Cloudy 15% 8 mph NNE 47%
4 PM 28° Mostly Cloudy 18% 8 mph NNE 47%
5 PM 28° Mostly Cloudy 18% 9 mph NNE 48%
6 PM 27° Overcast 18% 9 mph NE 48%
15-Day Forecast
Today
7/29
Partly Cloudy
45%
16°
37°
Thu
7/30
Mostly Cloudy
23%
16°
30°
Fri
7/31
Clear
12%
12°
31°
Sat
8/1
Clear
32%
14°
35°
Sun
8/2
Mostly Clear
19%
19°
41°
Mon
8/3
Drizzle
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
43%
12°
29°
Sat
8/8
Drizzle
60%
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
Today 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, 23:00'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
SBCAPE1077 J/kg
MLCAPE1986 J/kg
MUCAPE2909 J/kg
SBCIN-359 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear16 kt
Eff. Shear18 kt
0–1 km SRH53
0–3 km SRH42
Eff. SRH24
Storm Motion217° @ 27 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.6
K-Index41.5
Thermo & Levels
PWAT1.63 in
0–3 km LR7.5 °C/km
700–500 LR8.1 °C/km
Total Totals58.7
LCL756 hPa
LFC647 hPa
EL222 hPa
Freezing Lvl13,543 ft