Nelson County, North Dakota, United States

Last updated: 9:24 PM CDT  ·  Refresh
29°C
Feels like 31°
Clear
▲ 35°  /  ▼ 17°
Wind
10 mph NW
Humidity
60%
Dew Point
20°
Pressure
28.16 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:02 AM
Sunset
9:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Nelson County is currently clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1795 J/kg) — isolated convective development possible. Sunrise: 6:02AM · Sunset: 9:15PM.

Alerts

No active alerts for this location.
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
3%
10 PM
25°
14%
11 PM
24°
14%
12 AM
22°
7%
1 AM
22°
3%
2 AM
21°
3%
3 AM
21°
3%
4 AM
20°
3%
5 AM
19°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
20°
3%
9 AM
22°
3%
10 AM
24°
3%
11 AM
26°
3%
12 PM
28°
3%
1 PM
29°
3%
2 PM
31°
3%
3 PM
31°
3%
4 PM
33°
3%
5 PM
33°
3%
6 PM
31°
3%
7 PM
30°
3%
8 PM
28°
5%
7-Day Forecast
Tonight
35° 17°
Clear.
Mon
34° 17°
Clear.
Tue
36° 21°
Mostly Clear.
Wed
38° 19°
Clear with a 57% chance of rain.
Thu
32° 19°
Rain, 65% chance.
Fri
34° 18°
Clear with a 29% chance of rain.
Sat
31° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 3% 10 mph NW 60%
10 PM 25° Clear 14% 8 mph NW 65%
11 PM 24° Mostly Clear 14% 8 mph NW 63%
12 AM 22° Mostly Clear 7% 8 mph NW 61%
1 AM 22° Clear 3% 8 mph NW 60%
2 AM 21° Clear 3% 8 mph NW 61%
3 AM 21° Clear 3% 9 mph WNW 63%
4 AM 20° Clear 3% 8 mph WNW 68%
5 AM 19° Clear 3% 8 mph NW 73%
6 AM 17° Clear 3% 8 mph NW 78%
7 AM 18° Mostly Clear 3% 8 mph NW 79%
8 AM 20° Partly Cloudy 3% 8 mph NW 74%
9 AM 22° Mostly Clear 3% 9 mph NW 68%
10 AM 24° Mostly Clear 3% 9 mph NW 62%
11 AM 26° Clear 3% 10 mph NW 56%
12 PM 28° Clear 3% 10 mph NNW 50%
1 PM 29° Clear 3% 10 mph NNW 45%
2 PM 31° Clear 3% 10 mph NNW 42%
3 PM 31° Clear 3% 10 mph NNW 40%
4 PM 33° Mostly Clear 3% 10 mph NNW 41%
5 PM 33° Mostly Clear 3% 9 mph NNW 43%
6 PM 31° Partly Cloudy 3% 8 mph NNW 45%
7 PM 30° Partly Cloudy 3% 8 mph N 48%
8 PM 28° Partly Cloudy 5% 7 mph N 53%
15-Day Forecast
Today
7/26
Clear
3%
17°
35°
Mon
7/27
Clear
7%
17°
34°
Tue
7/28
Mostly Clear
7%
21°
36°
Wed
7/29
Clear
57%
19°
38°
Thu
7/30
Rain
65%
19°
32°
Fri
7/31
Clear
29%
18°
34°
Sat
8/1
Clear
8%
17°
31°
Sun
8/2
Clear
18%
18°
42°
Mon
8/3
Drizzle
44%
16°
34°
Tue
8/4
Clear
44%
12°
26°
Wed
8/5
Clear
12%
12°
23°
Thu
8/6
Drizzle
60%
13°
27°
Fri
8/7
Drizzle
60%
13°
28°
Sat
8/8
Clear
60%
14°
28°
Sun
8/9
Drizzle
60%
14°
28°
58
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
58 AQI 12.8 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 37 58
Tue 62 Moderate 41 62
Wed 59 Moderate 44 59
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 Mon Jul 27, 01:00'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
SBCAPE1509 J/kg
MLCAPE1819 J/kg
MUCAPE2462 J/kg
SBCIN-468 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear38 kt
0–1 km Shear11 kt
Eff. Shear28 kt
0–1 km SRH-61
0–3 km SRH-100
Eff. SRH-26
Storm Motion264° @ 31 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.2
Thermo & Levels
PWAT0.97 in
0–3 km LR6.0 °C/km
700–500 LR7.2 °C/km
Total Totals45.1
LCL835 hPa
LFC647 hPa
EL229 hPa
Freezing Lvl14,738 ft