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

Grand Forks County, North Dakota, United States

Last updated: 10:06 PM CDT  ·  Refresh
28°C
Feels like 29°
Partly Cloudy
▲ 32°  /  ▼ 19°
Wind
9 mph SSE
Humidity
62%
Dew Point
20°
Pressure
28.79 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
39%
Sunrise
5:47 AM
Sunset
9:23 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Grand Forks County is currently partly cloudy at 28°C. Precipitation is likely — peak probability 51% around 12 AM. Atmospheric instability is elevated (CAPE up to 918 J/kg) — isolated convective development possible. Sunrise: 5:47AM · Sunset: 9:23PM.

45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
26%
11 PM
27°
34%
12 AM
26°
50%
1 AM
26°
48%
2 AM
24°
40%
3 AM
23°
27%
4 AM
23°
9%
5 AM
22°
12%
6 AM
19°
30%
7 AM
19°
27%
8 AM
20°
40%
9 AM
20°
16%
10 AM
22°
15%
11 AM
23°
3%
12 PM
24°
3%
1 PM
25°
3%
2 PM
28°
3%
3 PM
28°
3%
4 PM
28°
3%
5 PM
29°
3%
6 PM
29°
3%
7 PM
29°
3%
8 PM
27°
3%
9 PM
26°
3%
7-Day Forecast
Tonight
32° 19°
Partly Cloudy with a 26% chance of rain.
Fri
29° 19°
Mostly Cloudy with a 48% chance of rain.
Sat
32° 17°
Partly Cloudy.
Sun
33° 18°
Mostly Clear with a 35% chance of rain.
Mon
30° 16°
Clear.
Tue
24° 13°
Clear.
Wed
27° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 26% 9 mph SSE 62%
11 PM 27° Partly Cloudy 34% 9 mph SSE 63%
12 AM 26° Rain 50% 10 mph SSW 67%
1 AM 26° Partly Cloudy 48% 9 mph S 72%
2 AM 24° Mostly Clear 40% 9 mph S 76%
3 AM 23° Mostly Clear 27% 8 mph S 80%
4 AM 23° Partly Cloudy 9% 7 mph SSW 84%
5 AM 22° Partly Cloudy 12% 4 mph WNW 86%
6 AM 19° Mostly Cloudy 30% 6 mph NW 88%
7 AM 19° Mostly Cloudy 27% 10 mph NW 89%
8 AM 20° Overcast 40% 11 mph NNW 86%
9 AM 20° Overcast 16% 12 mph NNW 84%
10 AM 22° Overcast 15% 14 mph NNW 81%
11 AM 23° Mostly Cloudy 3% 14 mph NNW 75%
12 PM 24° Partly Cloudy 3% 14 mph NNW 70%
1 PM 25° Partly Cloudy 3% 14 mph NNW 65%
2 PM 28° Partly Cloudy 3% 14 mph NNW 60%
3 PM 28° Partly Cloudy 3% 14 mph NNW 56%
4 PM 28° Partly Cloudy 3% 14 mph NNW 54%
5 PM 29° Partly Cloudy 3% 13 mph NNW 55%
6 PM 29° Partly Cloudy 3% 12 mph NNW 56%
7 PM 29° Partly Cloudy 3% 12 mph NNW 58%
8 PM 27° Partly Cloudy 3% 11 mph NNW 63%
9 PM 26° Clear 3% 8 mph NNW 68%
15-Day Forecast
Today
7/16
Partly Cloudy
26%
19°
32°
Fri
7/17
Mostly Cloudy
48%
19°
29°
Sat
7/18
Partly Cloudy
7%
17°
32°
Sun
7/19
Mostly Clear
35%
18°
33°
Mon
7/20
Clear
8%
16°
30°
Tue
7/21
Clear
3%
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
Clear
25%
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
Clear
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 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
SBCAPE763 J/kg
MLCAPE911 J/kg
MUCAPE1573 J/kg
SBCIN-340 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear30 kt
0–1 km Shear15 kt
Eff. Shear43 kt
0–1 km SRH113
0–3 km SRH38
Eff. SRH-48
Storm Motion235° @ 25 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.3
STP (eff)0.0
Supercell0.0
K-Index36.9
Thermo & Levels
PWAT1.74 in
0–3 km LR6.0 °C/km
700–500 LR6.2 °C/km
Total Totals49.4
LCL867 hPa
LFC662 hPa
EL218 hPa
Freezing Lvl14,491 ft