Severe Thunderstorm Warning — Grand Forks County, ND, Steele County, ND 12:00 AM Wind Advisory — Towner, ND, Cavalier, ND, Pembina, ND, Benson, ND, Ramsey, ND, Eastern Walsh County, ND, Nelson, ND, Grand Forks, ND, Western Walsh County, ND 7:00 PM

Grand Forks County, North Dakota, United States

Last updated: 11:56 PM CDT  ·  Refresh
21°C
Feels like 23°
Heavy Rain
▲ 25°  /  ▼ 14°
Wind
4 mph SSE
Humidity
90%
Dew Point
19°
Pressure
28.65 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
93%
Sunrise
6:45 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grand Forks County is currently heavy rain at 21°C. Precipitation is likely — peak probability 71% around 11 PM. Sunrise: 6:45AM · Sunset: 8:14PM.

Alerts

Severe Thunderstorm Warning
Grand Forks County, ND, Steele County, ND
Expires 12:00 AM
Wind Advisory
Towner, ND, Cavalier, ND, Pembina, ND, Benson, ND, Ramsey, ND, Eastern Walsh County, ND, Nelson, ND, Grand Forks, ND, Western Walsh County, ND
Expires 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
71%
12 AM
19°
46%
1 AM
18°
12%
2 AM
17°
14%
3 AM
17°
16%
4 AM
16°
16%
5 AM
15°
4%
6 AM
14°
3%
7 AM
16°
3%
8 AM
18°
3%
9 AM
19°
3%
10 AM
21°
3%
11 AM
22°
3%
12 PM
24°
3%
1 PM
26°
3%
2 PM
27°
3%
3 PM
27°
3%
4 PM
26°
3%
5 PM
26°
3%
6 PM
24°
3%
7 PM
23°
3%
8 PM
22°
3%
9 PM
21°
3%
10 PM
21°
3%
7-Day Forecast
Tonight
25° 14°
Rain, 71% chance.
Mon
28° 14°
Clear.
Tue
26° 14°
Mostly Cloudy.
Wed
27° 13°
Clear with a 28% chance of rain.
Thu
32° 15°
Mostly Clear with a 28% chance of rain.
Fri
34° 17°
Mostly Clear.
Sat
33° 19°
Mostly Clear with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 21° Heavy Rain 71% 4 mph SSE 90%
12 AM 19° Mostly Cloudy 46% 6 mph WSW 89%
1 AM 18° Partly Cloudy 12% 8 mph W 89%
2 AM 17° Partly Cloudy 14% 8 mph W 90%
3 AM 17° Mostly Clear 16% 9 mph W 90%
4 AM 16° Mostly Clear 16% 8 mph W 91%
5 AM 15° Mostly Clear 4% 8 mph W 91%
6 AM 14° Clear 3% 9 mph W 90%
7 AM 16° Clear 3% 10 mph W 80%
8 AM 18° Clear 3% 11 mph W 71%
9 AM 19° Clear 3% 12 mph WSW 61%
10 AM 21° Clear 3% 14 mph WSW 52%
11 AM 22° Clear 3% 15 mph WSW 43%
12 PM 24° Clear 3% 17 mph SW 34%
1 PM 26° Clear 3% 18 mph SW 31%
2 PM 27° Clear 3% 19 mph WSW 29%
3 PM 27° Clear 3% 20 mph WSW 27%
4 PM 26° Clear 3% 18 mph WSW 28%
5 PM 26° Clear 3% 16 mph WSW 30%
6 PM 24° Clear 3% 14 mph WSW 32%
7 PM 23° Clear 3% 14 mph WSW 34%
8 PM 22° Clear 3% 13 mph WSW 37%
9 PM 21° Clear 3% 12 mph WSW 39%
10 PM 21° Clear 3% 12 mph WSW 41%
15-Day Forecast
Today
8/30
Rain
71%
14°
25°
Mon
8/31
Clear
14%
14°
28°
Tue
9/1
Mostly Cloudy
3%
14°
26°
Wed
9/2
Clear
28%
13°
27°
Thu
9/3
Mostly Clear
28%
15°
32°
Fri
9/4
Mostly Clear
18%
17°
34°
Sat
9/5
Mostly Clear
28%
19°
33°
Sun
9/6
Overcast
34%
18°
27°
Mon
9/7
Drizzle
54%
16°
26°
Tue
9/8
Drizzle
47%
14°
28°
Wed
9/9
Drizzle
60%
14°
27°
Thu
9/10
Clear
60%
15°
27°
Fri
9/11
Drizzle
60%
14°
24°
Sat
9/12
Clear
60%
14°
24°
Sun
9/13
Drizzle
60%
13°
23°
56
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
56 AQI 11.9 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 35 56
Tue 43 Good 39 43
Wed 41 Good 30 41
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 Aug 31, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE81 J/kg
MLCAPE430 J/kg
MUCAPE1356 J/kg
SBCIN-203 J/kg
MLCIN-79 J/kg
Lifted Index-0.1
Kinematics
0–6 km Shear40 kt
0–1 km Shear18 kt
Eff. Shear41 kt
0–1 km SRH172
0–3 km SRH209
Eff. SRH127
Storm Motion244° @ 27 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.2
Supercell3.7
K-Index34.9
Thermo & Levels
PWAT2.01 in
0–3 km LR4.3 °C/km
700–500 LR6.3 °C/km
Total Totals48.8
LCL949 hPa
LFC659 hPa
EL497 hPa
Freezing Lvl12,812 ft