Heat Advisory — McKenzie, ND, Dunn, ND, Mercer, ND, Oliver, ND, Sheridan, ND, Wells, ND, Foster, ND, Golden Valley, ND, Billings, ND, Stark, ND, Burleigh, ND, Kidder, ND, Stutsman, ND, Slope, ND, Hettinger, ND, Grant, ND, Bowman, ND, Adams, ND, Emmons, ND, Logan, ND, La Moure, ND, McIntosh, ND, Dickey, ND, Western McLean, ND, Eastern McLean, ND, Western Morton, ND, Eastern Morton, ND, Western Sioux, ND, Eastern Sioux, ND 10:00 PM

Mercer County, North Dakota, United States

Last updated: 5:53 PM CDT  ·  Refresh
33°C
Feels like 34°
Clear
▲ 34°  /  ▼ 16°
Wind
10 mph NNW
Humidity
37%
Dew Point
18°
Pressure
27.79 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
7%
Sunrise
6:07 AM
Sunset
9:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mercer County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1734 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 9:39PM.

Alerts

Heat Advisory
McKenzie, ND, Dunn, ND, Mercer, ND, Oliver, ND, Sheridan, ND, Wells, ND, Foster, ND, Golden Valley, ND, Billings, ND, Stark, ND, Burleigh, ND, Kidder, ND, Stutsman, ND, Slope, ND, Hettinger, ND, Grant, ND, Bowman, ND, Adams, ND, Emmons, ND, Logan, ND, La Moure, ND, McIntosh, ND, Dickey, ND, Western McLean, ND, Eastern McLean, ND, Western Morton, ND, Eastern Morton, ND, Western Sioux, ND, Eastern Sioux, ND
Expires 10:00 PM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
6 PM
33°
16%
7 PM
32°
16%
8 PM
29°
16%
9 PM
26°
8%
10 PM
23°
8%
11 PM
22°
8%
12 AM
21°
3%
1 AM
20°
3%
2 AM
19°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
16°
17%
6 AM
16°
17%
7 AM
17°
17%
8 AM
18°
3%
9 AM
18°
3%
10 AM
20°
3%
11 AM
21°
3%
12 PM
26°
3%
1 PM
27°
3%
2 PM
27°
3%
3 PM
28°
3%
4 PM
28°
3%
7-Day Forecast
Today
34° 16°
Clear.
Fri
32° 16°
Partly Cloudy.
Sat
33° 17°
Overcast with a 29% chance of rain.
Sun
36° 19°
Mostly Clear.
Mon
32° 16°
Mostly Clear.
Tue
28° 14°
Mostly Cloudy.
Wed
29° 14°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 10 mph NNW 37%
6 PM 33° Clear 16% 13 mph NNW 37%
7 PM 32° Clear 16% 14 mph NNW 45%
8 PM 29° Clear 16% 14 mph NNW 55%
9 PM 26° Clear 8% 13 mph NNW 62%
10 PM 23° Mostly Clear 8% 11 mph N 70%
11 PM 22° Mostly Clear 8% 10 mph N 76%
12 AM 21° Mostly Clear 3% 8 mph N 82%
1 AM 20° Mostly Clear 3% 6 mph N 87%
2 AM 19° Mostly Clear 3% 6 mph N 91%
3 AM 18° Mostly Clear 3% 6 mph N 95%
4 AM 18° Mostly Clear 3% 5 mph N 95%
5 AM 16° Partly Cloudy 17% 5 mph N 95%
6 AM 16° Fog 17% 5 mph N 95%
7 AM 17° Haze 17% 6 mph N 90%
8 AM 18° Mostly Cloudy 3% 7 mph N 84%
9 AM 18° Mostly Cloudy 3% 8 mph N 78%
10 AM 20° Partly Cloudy 3% 8 mph N 69%
11 AM 21° Partly Cloudy 3% 8 mph NNE 59%
12 PM 26° Partly Cloudy 3% 8 mph NNE 51%
1 PM 27° Partly Cloudy 3% 9 mph NNE 47%
2 PM 27° Partly Cloudy 3% 9 mph NNE 44%
3 PM 28° Partly Cloudy 3% 9 mph NNE 41%
4 PM 28° Partly Cloudy 3% 8 mph NNE 40%
15-Day Forecast
Today
7/16
Clear
16%
16°
34°
Fri
7/17
Partly Cloudy
17%
16°
32°
Sat
7/18
Overcast
29%
17°
33°
Sun
7/19
Mostly Clear
16%
19°
36°
Mon
7/20
Mostly Clear
3%
16°
32°
Tue
7/21
Mostly Cloudy
19%
14°
28°
Wed
7/22
Partly Cloudy
9%
14°
29°
Thu
7/23
Mostly Cloudy
25%
17°
32°
Fri
7/24
Drizzle
60%
18°
32°
Sat
7/25
Drizzle
60%
17°
34°
Sun
7/26
Drizzle
60%
16°
36°
Mon
7/27
Drizzle
60%
20°
36°
Tue
7/28
Drizzle
60%
19°
34°
Wed
7/29
Drizzle
60%
18°
32°
Thu
7/30
Drizzle
60%
18°
33°
44
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
43 AQI 7.7 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 44 Good 44 43
Sat 42 Good 38 42
Sun 34 Good 34 34
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 Thu Jul 16, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1874 J/kg
MLCAPE1499 J/kg
MUCAPE1874 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.0
Kinematics
0–6 km Shear14 kt
0–1 km Shear4 kt
Eff. Shear15 kt
0–1 km SRH8
0–3 km SRH-21
Eff. SRH-21
Storm Motion220° @ 15 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.6
Thermo & Levels
PWAT1.43 in
0–3 km LR8.2 °C/km
700–500 LR6.6 °C/km
Total Totals51.7
LCL753 hPa
LFC941 hPa
EL185 hPa
Freezing Lvl14,121 ft