Severe Thunderstorm Watch 12:00 AM Severe Thunderstorm Watch 12:00 AM

Nelson County, North Dakota, United States

Last updated: 10:02 PM CDT  ·  Refresh
27°C
Feels like 29°
Partly Cloudy
▲ 32°  /  ▼ 19°
Wind
7 mph SE
Humidity
67%
Dew Point
21°
Pressure
28.28 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
31%
Sunrise
5:50 AM
Sunset
9:26 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Nelson County is currently partly cloudy at 27°C. Precipitation is likely — peak probability 54% around 11 PM. Atmospheric instability is elevated (CAPE up to 2037 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 9:26PM.

Alerts

Severe Thunderstorm Watch
Expires 12:00 AM
Severe Thunderstorm Watch
Expires 12:00 AM
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
41%
11 PM
26°
54%
12 AM
24°
52%
1 AM
24°
35%
2 AM
23°
4%
3 AM
23°
4%
4 AM
22°
3%
5 AM
22°
14%
6 AM
19°
14%
7 AM
19°
3%
8 AM
19°
3%
9 AM
20°
3%
10 AM
22°
3%
11 AM
22°
13%
12 PM
23°
3%
1 PM
24°
3%
2 PM
27°
3%
3 PM
27°
3%
4 PM
27°
3%
5 PM
28°
3%
6 PM
28°
3%
7 PM
28°
3%
8 PM
27°
3%
9 PM
26°
3%
7-Day Forecast
Tonight
32° 19°
Partly Cloudy with a 41% chance of rain.
Fri
29° 19°
Mostly Cloudy with a 35% chance of rain.
Sat
32° 17°
Mostly Clear.
Sun
33° 19°
Clear.
Mon
29° 14°
Clear.
Tue
23° 13°
Clear.
Wed
26° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 41% 7 mph SE 67%
11 PM 26° Thunderstorm 54% 10 mph WSW 70%
12 AM 24° Rain 52% 7 mph S 72%
1 AM 24° Partly Cloudy 35% 6 mph S 72%
2 AM 23° Partly Cloudy 4% 7 mph S 74%
3 AM 23° Partly Cloudy 4% 5 mph SW 77%
4 AM 22° Partly Cloudy 3% 6 mph W 80%
5 AM 22° Mostly Cloudy 14% 8 mph NW 85%
6 AM 19° Overcast 14% 9 mph NW 88%
7 AM 19° Overcast 3% 10 mph NNW 91%
8 AM 19° Overcast 3% 11 mph NNW 88%
9 AM 20° Overcast 3% 12 mph NNW 84%
10 AM 22° Overcast 3% 12 mph NNW 80%
11 AM 22° Mostly Cloudy 13% 12 mph NNW 76%
12 PM 23° Partly Cloudy 3% 13 mph NNW 71%
1 PM 24° Partly Cloudy 3% 13 mph NNW 65%
2 PM 27° Partly Cloudy 3% 13 mph NNW 61%
3 PM 27° Partly Cloudy 3% 13 mph NNW 58%
4 PM 27° Partly Cloudy 3% 13 mph NNW 56%
5 PM 28° Partly Cloudy 3% 12 mph NNW 56%
6 PM 28° Mostly Clear 3% 11 mph NNW 57%
7 PM 28° Mostly Clear 3% 11 mph NNW 58%
8 PM 27° Mostly Clear 3% 10 mph NNW 62%
9 PM 26° Clear 3% 8 mph NNW 65%
15-Day Forecast
Today
7/16
Partly Cloudy
41%
19°
32°
Fri
7/17
Mostly Cloudy
35%
19°
29°
Sat
7/18
Mostly Clear
7%
17°
32°
Sun
7/19
Clear
14%
19°
33°
Mon
7/20
Clear
8%
14°
29°
Tue
7/21
Clear
3%
13°
23°
Wed
7/22
Clear
8%
11°
26°
Thu
7/23
Clear
8%
14°
29°
Fri
7/24
Clear
18%
17°
31°
Sat
7/25
Drizzle
44%
17°
36°
Sun
7/26
Drizzle
36%
17°
39°
Mon
7/27
Drizzle
60%
16°
39°
Tue
7/28
Drizzle
60%
17°
31°
Wed
7/29
Drizzle
60%
18°
32°
Thu
7/30
Drizzle
60%
17°
31°
41
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
40 AQI 7.2 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 41 40
Sat 39 Good 35 39
Sun 76 Moderate 44 76
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 Fri Jul 17, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1876 J/kg
MLCAPE1917 J/kg
MUCAPE3118 J/kg
SBCIN-246 J/kg
MLCIN0 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear29 kt
0–1 km Shear14 kt
Eff. Shear33 kt
0–1 km SRH87
0–3 km SRH-4
Eff. SRH-4
Storm Motion233° @ 26 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.7
STP (eff)0.0
Supercell0.0
K-Index40.9
Thermo & Levels
PWAT1.78 in
0–3 km LR6.3 °C/km
700–500 LR6.1 °C/km
Total Totals50.9
LCL875 hPa
LFC755 hPa
EL186 hPa
Freezing Lvl14,180 ft