Severe Thunderstorm Watch 12:00 AM

Grand Forks County, North Dakota, United States

Last updated: 9:04 PM CDT  ·  Refresh
29°C
Feels like 32°
Mostly Clear
▲ 32°  /  ▼ 19°
Wind
9 mph SSE
Humidity
63%
Dew Point
21°
Pressure
28.80 inHg
Visibility
8 mi
UV Index
0.6
Cloud Cover
16%
Sunrise
5:47 AM
Sunset
9:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grand Forks County is currently mostly clear at 29°C. Precipitation is likely — peak probability 57% around 1 AM. Atmospheric instability is elevated (CAPE up to 2017 J/kg) — isolated convective development possible. Sunrise: 5:47AM · Sunset: 9:23PM.

Alerts

Severe Thunderstorm Watch
Expires 12:00 AM
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
33%
10 PM
28°
44%
11 PM
27°
49%
12 AM
26°
55%
1 AM
26°
57%
2 AM
24°
35%
3 AM
24°
27%
4 AM
23°
9%
5 AM
23°
12%
6 AM
20°
30%
7 AM
20°
26%
8 AM
21°
23%
9 AM
21°
26%
10 AM
22°
25%
11 AM
23°
3%
12 PM
24°
3%
1 PM
24°
3%
2 PM
27°
3%
3 PM
28°
3%
4 PM
29°
3%
5 PM
29°
3%
6 PM
28°
3%
7 PM
28°
3%
8 PM
27°
3%
7-Day Forecast
Tonight
32° 19°
Mostly Clear with a 33% chance of rain.
Fri
30° 20°
Partly Cloudy with a 55% chance of rain.
Sat
32° 17°
Partly Cloudy.
Sun
33° 18°
Mostly Clear with a 25% chance of rain.
Mon
30° 16°
Clear.
Tue
24° 13°
Clear.
Wed
27° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 33% 9 mph SSE 63%
10 PM 28° Partly Cloudy 44% 9 mph SSE 65%
11 PM 27° Drizzle 49% 9 mph SSE 67%
12 AM 26° Rain 55% 12 mph SSW 71%
1 AM 26° Partly Cloudy 57% 11 mph S 74%
2 AM 24° Mostly Clear 35% 10 mph SSW 77%
3 AM 24° Mostly Clear 27% 9 mph SSW 80%
4 AM 23° Partly Cloudy 9% 8 mph SW 82%
5 AM 23° Partly Cloudy 12% 7 mph WSW 84%
6 AM 20° Partly Cloudy 30% 8 mph WNW 85%
7 AM 20° Partly Cloudy 26% 10 mph NW 87%
8 AM 21° Partly Cloudy 23% 10 mph NW 86%
9 AM 21° Mostly Cloudy 26% 12 mph NNW 85%
10 AM 22° Mostly Cloudy 25% 13 mph NNW 82%
11 AM 23° Partly Cloudy 3% 13 mph NNW 77%
12 PM 24° Partly Cloudy 3% 13 mph NNW 73%
1 PM 24° Partly Cloudy 3% 14 mph NNW 68%
2 PM 27° Partly Cloudy 3% 14 mph NNW 64%
3 PM 28° Partly Cloudy 3% 14 mph NNW 60%
4 PM 29° Mostly Clear 3% 13 mph NNW 57%
5 PM 29° Mostly Clear 3% 13 mph NNW 58%
6 PM 28° Mostly Clear 3% 12 mph NNW 59%
7 PM 28° Mostly Clear 3% 12 mph N 60%
8 PM 27° Clear 3% 10 mph N 66%
15-Day Forecast
Today
7/16
Mostly Clear
33%
19°
32°
Fri
7/17
Partly Cloudy
55%
20°
30°
Sat
7/18
Partly Cloudy
7%
17°
32°
Sun
7/19
Mostly Clear
25%
18°
33°
Mon
7/20
Clear
8%
16°
30°
Tue
7/21
Clear
8%
13°
24°
Wed
7/22
Clear
8%
12°
27°
Thu
7/23
Clear
8%
15°
29°
Fri
7/24
Clear
18%
17°
32°
Sat
7/25
Drizzle
44%
17°
37°
Sun
7/26
Drizzle
60%
17°
41°
Mon
7/27
Drizzle
60%
16°
41°
Tue
7/28
Drizzle
60%
17°
33°
Wed
7/29
Drizzle
60%
18°
33°
Thu
7/30
Drizzle
60%
18°
32°
45
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 7.8 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 45 43
Sat 46 Good 37 46
Sun 94 Moderate 51 94
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, 23:00'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
SBCAPE1974 J/kg
MLCAPE3006 J/kg
MUCAPE3528 J/kg
SBCIN-126 J/kg
MLCIN0 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear33 kt
0–1 km Shear12 kt
Eff. Shear38 kt
0–1 km SRH81
0–3 km SRH27
Eff. SRH27
Storm Motion233° @ 25 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.6
STP (eff)0.1
Supercell1.9
K-Index40.9
Thermo & Levels
PWAT2.15 in
0–3 km LR6.5 °C/km
700–500 LR6.3 °C/km
Total Totals53.5
LCL872 hPa
LFC781 hPa
EL185 hPa
Freezing Lvl14,429 ft