Frost Advisory — Ontonagon, MI, Baraga, MI, Marquette, MI, Alger, MI, Luce, MI, Gogebic, MI, Iron, MI, Dickinson, MI, Delta, MI, Southern Schoolcraft, MI, Southern Houghton, MI, Northern Schoolcraft, MI 8:00 AM

Delta County, Michigan, United States

Last updated: 9:23 PM CDT  ·  Refresh
9°C
Feels like 9°
Clear
▲ 17°  /  ▼ 1°
Wind
3 mph ENE
Humidity
72%
Dew Point
5°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:34 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Delta County is currently clear at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:34AM · Sunset: 7:44PM.

Alerts

Frost Advisory
Ontonagon, MI, Baraga, MI, Marquette, MI, Alger, MI, Luce, MI, Gogebic, MI, Iron, MI, Dickinson, MI, Delta, MI, Southern Schoolcraft, MI, Southern Houghton, MI, Northern Schoolcraft, MI
Expires 8:00 AM
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
3%
11 PM
8°
3%
12 AM
7°
3%
1 AM
7°
3%
2 AM
5°
3%
3 AM
4°
3%
4 AM
4°
3%
5 AM
3°
3%
6 AM
2°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
7°
3%
10 AM
13°
3%
11 AM
15°
3%
12 PM
17°
3%
1 PM
18°
3%
2 PM
19°
3%
3 PM
19°
3%
4 PM
19°
3%
5 PM
19°
3%
6 PM
18°
3%
7 PM
17°
3%
8 PM
16°
3%
9 PM
16°
3%
7-Day Forecast
Tonight
17° 1°
Clear.
Wed
19° 2°
Clear.
Thu
21° 7°
Partly Cloudy.
Fri
23° 3°
Fog.
Sat
23° 8°
Clear.
Sun
22° 7°
Clear.
Mon
22° 11°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 9° Clear 3% 3 mph ENE 72%
11 PM 8° Clear 3% 4 mph ENE 76%
12 AM 7° Clear 3% 4 mph ENE 78%
1 AM 7° Clear 3% 4 mph ENE 81%
2 AM 5° Clear 3% 4 mph NE 83%
3 AM 4° Clear 3% 5 mph NE 84%
4 AM 4° Clear 3% 5 mph NE 86%
5 AM 3° Clear 3% 5 mph NE 87%
6 AM 2° Clear 3% 5 mph NE 87%
7 AM 2° Clear 3% 5 mph NE 87%
8 AM 3° Clear 3% 4 mph NE 86%
9 AM 7° Clear 3% 4 mph ENE 79%
10 AM 13° Clear 3% 5 mph E 70%
11 AM 15° Clear 3% 6 mph ESE 61%
12 PM 17° Clear 3% 7 mph ESE 56%
1 PM 18° Clear 3% 8 mph ESE 51%
2 PM 19° Mostly Clear 3% 8 mph ESE 51%
3 PM 19° Mostly Clear 3% 8 mph ESE 50%
4 PM 19° Clear 3% 8 mph ESE 49%
5 PM 19° Clear 3% 8 mph ESE 51%
6 PM 18° Clear 3% 7 mph ESE 56%
7 PM 17° Clear 3% 7 mph ESE 62%
8 PM 16° Clear 3% 6 mph ESE 68%
9 PM 16° Clear 3% 6 mph ESE 72%
15-Day Forecast
Today
9/22
Clear
3%
1°
17°
Wed
9/23
Clear
3%
2°
19°
Thu
9/24
Partly Cloudy
3%
7°
21°
Fri
9/25
Fog
18%
3°
23°
Sat
9/26
Clear
3%
8°
23°
Sun
9/27
Clear
9%
7°
22°
Mon
9/28
Clear
31%
11°
22°
Tue
9/29
Drizzle
63%
7°
22°
Wed
9/30
Rain
69%
9°
19°
Thu
10/1
Rain
68%
6°
17°
Fri
10/2
Drizzle
60%
4°
18°
Sat
10/3
Drizzle
60%
9°
19°
Sun
10/4
Drizzle
60%
8°
17°
Mon
10/5
Drizzle
60%
7°
16°
Tue
10/6
Drizzle
60%
7°
17°
24
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
1 AQI 0.3 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 24 Good 24 1
Thu 23 Good 23 6
Fri 30 Good 30 27
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Sep 23, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE8 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index16.2
Kinematics
0–6 km Shear12 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH50
0–3 km SRH48
Eff. SRH—
Storm Motion123° @ 25 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-18.1
Thermo & Levels
PWAT0.41 in
0–3 km LR2.0 °C/km
700–500 LR7.0 °C/km
Total Totals23.7
LCL940 hPa
LFC—
EL—
Freezing Lvl11,867 ft