Mercer County, North Dakota, United States

Last updated: 4:54 PM CDT  ·  Refresh
20°C
Feels like 14°
Clear
▲ 21°  /  ▼ 5°
Wind
12 mph SE
Humidity
34%
Dew Point
4°
Pressure
27.93 inHg
Visibility
10 mi
UV Index
6.2
Cloud Cover
1%
Sunrise
7:21 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mercer County is currently clear at 20°C. Precipitation is likely — peak probability 78% around 8 AM. Sunrise: 7:21AM · Sunset: 8:03PM.

Alerts

No active alerts for this location.
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
3%
5 PM
19°
3%
6 PM
19°
3%
7 PM
17°
12%
8 PM
16°
20%
9 PM
13°
20%
10 PM
13°
20%
11 PM
13°
23%
12 AM
13°
23%
1 AM
13°
34%
2 AM
13°
37%
3 AM
13°
48%
4 AM
12°
59%
5 AM
11°
66%
6 AM
11°
75%
7 AM
11°
75%
8 AM
11°
78%
9 AM
13°
69%
10 AM
14°
66%
11 AM
17°
62%
12 PM
18°
43%
1 PM
19°
30%
2 PM
19°
29%
3 PM
19°
29%
7-Day Forecast
Today
21° 5°
Clear with a 20% chance of rain.
Mon
21° 9°
Partly Cloudy with a 75% chance of rain.
Tue
19° 6°
Mostly Clear.
Wed
18° 4°
Partly Cloudy with a 49% chance of rain.
Thu
26° 4°
Drizzle, 64% chance.
Fri
22° 12°
Rain, 82% chance.
Sat
19° 10°
Drizzle, 78% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Clear 3% 12 mph SE 34%
5 PM 19° Clear 3% 13 mph SE 35%
6 PM 19° Clear 3% 13 mph SE 36%
7 PM 17° Clear 12% 12 mph SE 39%
8 PM 16° Clear 20% 11 mph SE 42%
9 PM 13° Partly Cloudy 20% 12 mph SE 44%
10 PM 13° Partly Cloudy 20% 13 mph SE 46%
11 PM 13° Mostly Cloudy 23% 14 mph SE 48%
12 AM 13° Mostly Cloudy 23% 14 mph SE 50%
1 AM 13° Mostly Cloudy 34% 15 mph SE 50%
2 AM 13° Overcast 37% 15 mph SE 51%
3 AM 13° Overcast 48% 15 mph SE 54%
4 AM 12° Overcast 59% 17 mph SE 63%
5 AM 11° Mostly Cloudy 66% 15 mph SE 74%
6 AM 11° Mostly Cloudy 75% 12 mph SSE 82%
7 AM 11° Mostly Cloudy 75% 13 mph SSE 85%
8 AM 11° Rain 78% 14 mph SSE 87%
9 AM 13° Rain 69% 15 mph S 88%
10 AM 14° Mostly Cloudy 66% 14 mph SSW 81%
11 AM 17° Mostly Cloudy 62% 15 mph SW 74%
12 PM 18° Partly Cloudy 43% 18 mph WSW 66%
1 PM 19° Partly Cloudy 30% 19 mph WSW 61%
2 PM 19° Partly Cloudy 29% 19 mph WSW 56%
3 PM 19° Partly Cloudy 29% 20 mph WSW 50%
15-Day Forecast
Today
9/13
Clear
20%
5°
21°
Mon
9/14
Partly Cloudy
75%
9°
21°
Tue
9/15
Mostly Clear
7%
6°
19°
Wed
9/16
Partly Cloudy
49%
4°
18°
Thu
9/17
Drizzle
64%
4°
26°
Fri
9/18
Rain
82%
12°
22°
Sat
9/19
Drizzle
78%
10°
19°
Sun
9/20
Mostly Cloudy
44%
9°
22°
Mon
9/21
Drizzle
50%
8°
22°
Tue
9/22
Mostly Cloudy
25%
9°
26°
Wed
9/23
Clear
60%
9°
25°
Thu
9/24
Clear
60%
13°
25°
Fri
9/25
Drizzle
60%
13°
23°
Sat
9/26
Drizzle
60%
11°
21°
Sun
9/27
Clear
25%
11°
21°
31
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
16 AQI 3.0 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 31 Good 31 16
Tue 32 Good 32 12
Wed 26 Good 26 8
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 Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE10 J/kg
MLCAPE5 J/kg
MUCAPE0 J/kg
SBCIN-1 J/kg
MLCIN-3 J/kg
Lifted Index8.3
Kinematics
0–6 km Shear50 kt
0–1 km Shear11 kt
Eff. Shear—
0–1 km SRH61
0–3 km SRH154
Eff. SRH—
Storm Motion325° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index11.0
Thermo & Levels
PWAT0.83 in
0–3 km LR4.7 °C/km
700–500 LR7.1 °C/km
Total Totals39.6
LCL746 hPa
LFC919 hPa
EL849 hPa
Freezing Lvl12,484 ft