Grafton, North Dakota

Last updated: 4:56 PM CDT  ·  Refresh
18°C
Feels like 14°
Clear
▲ 19°  /  ▼ 7°
Wind
5 mph WNW
Humidity
34%
Dew Point
3°
Pressure
29.25 inHg
Visibility
10 mi
UV Index
5.7
Cloud Cover
6%
Sunrise
7:02 AM
Sunset
7:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grafton is currently clear at 18°C. Precipitation is likely — peak probability 80% around 1 PM. Sunrise: 7:02AM · Sunset: 7:46PM.

Alerts

No active alerts for this location.
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
3%
5 PM
19°
3%
6 PM
18°
3%
7 PM
16°
3%
8 PM
14°
3%
9 PM
12°
3%
10 PM
11°
3%
11 PM
9°
3%
12 AM
9°
3%
1 AM
9°
21%
2 AM
8°
24%
3 AM
8°
25%
4 AM
9°
36%
5 AM
7°
36%
6 AM
8°
37%
7 AM
8°
54%
8 AM
9°
65%
9 AM
10°
68%
10 AM
10°
74%
11 AM
12°
79%
12 PM
12°
79%
1 PM
13°
80%
2 PM
13°
73%
3 PM
14°
73%
7-Day Forecast
Today
19° 7°
Clear.
Mon
17° 7°
Overcast with a 74% chance of rain.
Tue
18° 8°
Mostly Clear.
Wed
17° 3°
Mostly Cloudy with a 38% chance of rain.
Thu
23° 7°
Clear with a 20% chance of rain.
Fri
21° 11°
Mostly Clear.
Sat
19° 10°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 18° Clear 3% 5 mph WNW 34%
5 PM 19° Clear 3% 2 mph W 34%
6 PM 18° Clear 3% 2 mph SSE 39%
7 PM 16° Clear 3% 4 mph SE 45%
8 PM 14° Clear 3% 5 mph SE 50%
9 PM 12° Clear 3% 6 mph SSE 54%
10 PM 11° Clear 3% 6 mph SSE 58%
11 PM 9° Clear 3% 6 mph SSE 61%
12 AM 9° Clear 3% 7 mph SSE 64%
1 AM 9° Mostly Clear 21% 7 mph SSE 64%
2 AM 8° Partly Cloudy 24% 8 mph SSE 64%
3 AM 8° Partly Cloudy 25% 8 mph SE 64%
4 AM 9° Mostly Cloudy 36% 8 mph SE 62%
5 AM 7° Mostly Cloudy 36% 10 mph SE 62%
6 AM 8° Overcast 37% 11 mph SE 61%
7 AM 8° Overcast 54% 13 mph SE 61%
8 AM 9° Overcast 65% 15 mph SE 65%
9 AM 10° Overcast 68% 16 mph SE 65%
10 AM 10° Overcast 74% 17 mph SSE 73%
11 AM 12° Rain 79% 18 mph SSE 81%
12 PM 12° Rain 79% 18 mph SSE 90%
1 PM 13° Rain 80% 18 mph SSE 90%
2 PM 13° Rain 73% 17 mph SSE 89%
3 PM 14° Rain 73% 17 mph SSE 88%
15-Day Forecast
Today
9/13
Clear
3%
7°
19°
Mon
9/14
Overcast
74%
7°
17°
Tue
9/15
Mostly Clear
3%
8°
18°
Wed
9/16
Mostly Cloudy
38%
3°
17°
Thu
9/17
Clear
20%
7°
23°
Fri
9/18
Mostly Clear
17%
11°
21°
Sat
9/19
Mostly Clear
17%
10°
19°
Sun
9/20
Mostly Cloudy
68%
9°
20°
Mon
9/21
Partly Cloudy
68%
12°
21°
Tue
9/22
Clear
25%
7°
23°
Wed
9/23
Drizzle
60%
12°
24°
Thu
9/24
Clear
25%
13°
23°
Fri
9/25
Drizzle
60%
13°
22°
Sat
9/26
Drizzle
60%
12°
21°
Sun
9/27
Drizzle
60%
11°
19°
26
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
13 AQI 2.4 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 26 Good 26 13
Tue 28 Good 28 24
Wed 25 Good 25 16
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 Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE29 J/kg
MLCAPE20 J/kg
MUCAPE29 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index13.6
Kinematics
0–6 km Shear37 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH14
0–3 km SRH88
Eff. SRH—
Storm Motion343° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-22.8
Thermo & Levels
PWAT0.33 in
0–3 km LR5.3 °C/km
700–500 LR5.1 °C/km
Total Totals25.1
LCL788 hPa
LFC990 hPa
EL945 hPa
Freezing Lvl12,579 ft