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: 6:23 PM CDT  ·  Refresh
36°C
Feels like 37°
Mostly Clear
▲ 37°  /  ▼ 20°
Wind
8 mph SSW
Humidity
34%
Dew Point
19°
Pressure
28.89 inHg
Visibility
8 mi
UV Index
5.4
Cloud Cover
25%
Sunrise
6:00 AM
Sunset
9:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grafton is currently mostly clear at 36°C. Precipitation is likely — peak probability 76% around 9 AM. Atmospheric instability is elevated (CAPE up to 2035 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°
24%
7 PM
34°
48%
8 PM
31°
55%
9 PM
29°
47%
10 PM
27°
44%
11 PM
27°
34%
12 AM
26°
43%
1 AM
26°
45%
2 AM
27°
58%
3 AM
27°
67%
4 AM
26°
62%
5 AM
24°
73%
6 AM
21°
69%
7 AM
21°
67%
8 AM
22°
69%
9 AM
22°
76%
10 AM
24°
64%
11 AM
24°
67%
12 PM
24°
63%
1 PM
26°
62%
2 PM
27°
62%
3 PM
28°
65%
4 PM
28°
74%
5 PM
27°
71%
7-Day Forecast
Tonight
37° 20°
Mostly Clear with a 47% chance of rain.
Thu
31° 19°
Rain, 76% chance.
Fri
29° 14°
Clear.
Sat
29° 14°
Partly Cloudy with a 58% chance of rain.
Sun
37° 19°
Mostly Clear with a 37% chance of rain.
Mon
29° 16°
Rain, 67% chance.
Tue
24° 13°
Mostly Clear with a 37% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 24% 8 mph SSW 34%
7 PM 34° Partly Cloudy 48% 9 mph SSW 40%
8 PM 31° Partly Cloudy 55% 10 mph SSW 47%
9 PM 29° Mostly Cloudy 47% 9 mph S 54%
10 PM 27° Mostly Cloudy 44% 9 mph S 57%
11 PM 27° Mostly Cloudy 34% 8 mph S 57%
12 AM 26° Overcast 43% 6 mph SW 57%
1 AM 26° Overcast 45% 6 mph SSW 58%
2 AM 27° Drizzle 58% 7 mph SSW 57%
3 AM 27° Rain 67% 8 mph SSW 56%
4 AM 26° Rain 62% 10 mph SSW 57%
5 AM 24° Rain 73% 8 mph SSW 63%
6 AM 21° Overcast 69% 4 mph SW 70%
7 AM 21° Overcast 67% 4 mph SW 73%
8 AM 22° Overcast 69% 4 mph WSW 72%
9 AM 22° Rain 76% 4 mph WSW 70%
10 AM 24° Heavy Rain 64% 3 mph SW 69%
11 AM 24° Heavy Rain 67% 3 mph SSW 68%
12 PM 24° Mostly Cloudy 63% 4 mph SSW 67%
1 PM 26° Mostly Cloudy 62% 5 mph SSW 66%
2 PM 27° Partly Cloudy 62% 4 mph SSW 63%
3 PM 28° Partly Cloudy 65% 4 mph WSW 59%
4 PM 28° Partly Cloudy 74% 4 mph W 58%
5 PM 27° Partly Cloudy 71% 4 mph NW 60%
15-Day Forecast
Today
7/29
Mostly Clear
47%
20°
37°
Thu
7/30
Rain
76%
19°
31°
Fri
7/31
Clear
16%
14°
29°
Sat
8/1
Partly Cloudy
58%
14°
29°
Sun
8/2
Mostly Clear
37%
19°
37°
Mon
8/3
Rain
67%
16°
29°
Tue
8/4
Mostly Clear
37%
13°
24°
Wed
8/5
Clear
16%
12°
26°
Thu
8/6
Partly Cloudy
35%
13°
27°
Fri
8/7
Drizzle
54%
14°
27°
Sat
8/8
Drizzle
45%
13°
28°
Sun
8/9
Drizzle
60%
15°
27°
Mon
8/10
Drizzle
60%
15°
27°
Tue
8/11
Drizzle
60%
16°
28°
Wed
8/12
Drizzle
60%
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, 22:00'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
SBCAPE2647 J/kg
MLCAPE2899 J/kg
MUCAPE3333 J/kg
SBCIN-90 J/kg
MLCIN0 J/kg
Lifted Index-7.7
Kinematics
0–6 km Shear22 kt
0–1 km Shear6 kt
Eff. Shear24 kt
0–1 km SRH19
0–3 km SRH4
Eff. SRH4
Storm Motion250° @ 26 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index38.5
Thermo & Levels
PWAT1.59 in
0–3 km LR8.5 °C/km
700–500 LR7.3 °C/km
Total Totals56.9
LCL771 hPa
LFC721 hPa
EL193 hPa
Freezing Lvl13,914 ft