Heat Advisory — Towner, ND, Cavalier, ND, Benson, ND, Ramsey, ND, Eddy, ND, Nelson, ND, Griggs, ND, Barnes, ND, Ransom, ND, Sargent, ND, Richland, ND, Western Walsh County, ND, Pembina, ND, Eastern Walsh County, ND, Grand Forks, ND, Steele, ND, Traill, ND, Cass, ND 9:00 PM

Grafton, North Dakota

Last updated: 5:20 PM CDT  ·  Refresh
36°C
Feels like 37°
Clear
▲ 37°  /  ▼ 20°
Wind
10 mph SSW
Humidity
32%
Dew Point
19°
Pressure
28.90 inHg
Visibility
8 mi
UV Index
6.8
Cloud Cover
10%
Sunrise
6:00 AM
Sunset
9:10 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Grafton is currently clear at 36°C. Precipitation is likely — peak probability 83% around 9 AM. Atmospheric instability is elevated (CAPE up to 1975 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 9:10PM.

Alerts

Heat Advisory
Towner, ND, Cavalier, ND, Benson, ND, Ramsey, ND, Eddy, ND, Nelson, ND, Griggs, ND, Barnes, ND, Ransom, ND, Sargent, ND, Richland, ND, Western Walsh County, ND, Pembina, ND, Eastern Walsh County, ND, Grand Forks, ND, Steele, ND, Traill, ND, Cass, ND
Expires 9:00 PM
67 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
17%
6 PM
36°
35%
7 PM
34°
34%
8 PM
32°
37%
9 PM
29°
36%
10 PM
28°
26%
11 PM
28°
26%
12 AM
27°
27%
1 AM
27°
26%
2 AM
27°
38%
3 AM
27°
56%
4 AM
27°
63%
5 AM
25°
76%
6 AM
22°
63%
7 AM
21°
66%
8 AM
22°
78%
9 AM
22°
82%
10 AM
23°
75%
11 AM
24°
75%
12 PM
24°
70%
1 PM
25°
69%
2 PM
27°
69%
3 PM
27°
72%
4 PM
27°
72%
7-Day Forecast
Today
37° 20°
Partly Cloudy with a 37% chance of rain.
Thu
33° 20°
Mostly Cloudy with a 78% chance of rain.
Fri
29° 13°
Clear.
Sat
29° 16°
Partly Cloudy with a 53% chance of rain.
Sun
34° 19°
Mostly Clear with a 64% chance of rain.
Mon
29° 16°
Rain, 73% chance.
Tue
23° 13°
Mostly Clear with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 17% 10 mph SSW 32%
6 PM 36° Partly Cloudy 35% 9 mph SW 34%
7 PM 34° Mostly Cloudy 34% 8 mph SSW 38%
8 PM 32° Mostly Cloudy 37% 9 mph S 45%
9 PM 29° Mostly Cloudy 36% 10 mph S 50%
10 PM 28° Mostly Cloudy 26% 10 mph S 53%
11 PM 28° Mostly Cloudy 26% 9 mph SSW 53%
12 AM 27° Overcast 27% 8 mph SSW 54%
1 AM 27° Overcast 26% 8 mph SW 53%
2 AM 27° Overcast 38% 8 mph SW 52%
3 AM 27° Drizzle 56% 9 mph SW 51%
4 AM 27° Rain 63% 11 mph SW 53%
5 AM 25° Overcast 76% 8 mph SSW 60%
6 AM 22° Overcast 63% 5 mph SW 68%
7 AM 21° Mostly Cloudy 66% 6 mph W 73%
8 AM 22° Overcast 78% 5 mph W 73%
9 AM 22° Rain 82% 5 mph SSE 74%
10 AM 23° Heavy Rain 75% 5 mph SSE 73%
11 AM 24° Heavy Rain 75% 5 mph SSE 71%
12 PM 24° Mostly Cloudy 70% 5 mph SSE 70%
1 PM 25° Mostly Cloudy 69% 5 mph SE 68%
2 PM 27° Partly Cloudy 69% 5 mph SE 64%
3 PM 27° Partly Cloudy 72% 5 mph SE 60%
4 PM 27° Partly Cloudy 72% 5 mph ENE 58%
15-Day Forecast
Today
7/29
Partly Cloudy
37%
20°
37°
Thu
7/30
Mostly Cloudy
78%
20°
33°
Fri
7/31
Clear
7%
13°
29°
Sat
8/1
Partly Cloudy
53%
16°
29°
Sun
8/2
Mostly Clear
64%
19°
34°
Mon
8/3
Rain
73%
16°
29°
Tue
8/4
Mostly Clear
28%
13°
23°
Wed
8/5
Clear
43%
11°
25°
Thu
8/6
Partly Cloudy
43%
12°
27°
Fri
8/7
Drizzle
68%
15°
27°
Sat
8/8
Drizzle
60%
12°
27°
Sun
8/9
Drizzle
60%
15°
27°
Mon
8/10
Drizzle
60%
15°
27°
Tue
8/11
Drizzle
60%
16°
28°
Wed
8/12
Clear
25%
17°
28°
67
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
67 AQI 17.8 µg/m³
O3
Ground-level ozone
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 67 Moderate 46 67
Fri 56 Moderate 43 56
Sat 55 Moderate 27 55
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2659 J/kg
MLCAPE2596 J/kg
MUCAPE2759 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.6
Kinematics
0–6 km Shear24 kt
0–1 km Shear5 kt
Eff. Shear24 kt
0–1 km SRH18
0–3 km SRH-10
Eff. SRH-10
Storm Motion254° @ 27 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.1
Thermo & Levels
PWAT1.53 in
0–3 km LR8.7 °C/km
700–500 LR7.3 °C/km
Total Totals56.5
LCL764 hPa
LFC979 hPa
EL193 hPa
Freezing Lvl13,865 ft