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

Ontonagon County, Michigan, United States

Last updated: 10:05 PM CDT  ·  Refresh
9°C
Feels like 9°
Clear
▲ 17°  /  ▼ 2°
Wind
4 mph ESE
Humidity
70%
Dew Point
5°
Pressure
29.21 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
7:44 AM
Sunset
7:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ontonagon County is currently clear at 10°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:44AM · Sunset: 7:54PM.

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
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
3%
12 AM
8°
7%
1 AM
8°
7%
2 AM
6°
3%
3 AM
6°
3%
4 AM
4°
3%
5 AM
4°
3%
6 AM
3°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
5°
3%
10 AM
10°
3%
11 AM
13°
3%
12 PM
15°
3%
1 PM
17°
3%
2 PM
19°
3%
3 PM
19°
3%
4 PM
19°
3%
5 PM
20°
3%
6 PM
21°
3%
7 PM
20°
3%
8 PM
19°
3%
9 PM
18°
3%
10 PM
13°
3%
7-Day Forecast
Tonight
17° 2°
Clear.
Wed
21° 2°
Clear.
Thu
21° 7°
Overcast.
Fri
24° 9°
Partly Cloudy.
Sat
24° 11°
Clear with a 60% chance of rain.
Sun
23° 10°
Clear with a 60% chance of rain.
Mon
23° 13°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 9° Clear 3% 4 mph ESE 70%
12 AM 8° Clear 7% 5 mph SE 73%
1 AM 8° Clear 7% 5 mph SE 76%
2 AM 6° Clear 3% 5 mph SE 80%
3 AM 6° Clear 3% 5 mph SE 83%
4 AM 4° Clear 3% 5 mph SE 85%
5 AM 4° Clear 3% 5 mph SE 87%
6 AM 3° Clear 3% 5 mph SE 89%
7 AM 2° Clear 3% 5 mph SE 90%
8 AM 3° Clear 3% 5 mph SSE 91%
9 AM 5° Clear 3% 4 mph SE 83%
10 AM 10° Clear 3% 6 mph SSE 70%
11 AM 13° Clear 3% 7 mph SSE 59%
12 PM 15° Clear 3% 7 mph SE 52%
1 PM 17° Clear 3% 7 mph SE 45%
2 PM 19° Clear 3% 7 mph SE 45%
3 PM 19° Clear 3% 7 mph SE 44%
4 PM 19° Clear 3% 7 mph SE 42%
5 PM 20° Clear 3% 8 mph SE 42%
6 PM 21° Clear 3% 7 mph SE 46%
7 PM 20° Clear 3% 7 mph SE 51%
8 PM 19° Clear 3% 7 mph SE 55%
9 PM 18° Clear 3% 7 mph SE 58%
10 PM 13° Clear 3% 7 mph SSE 60%
15-Day Forecast
Today
9/22
Clear
3%
2°
17°
Wed
9/23
Clear
3%
2°
21°
Thu
9/24
Overcast
3%
7°
21°
Fri
9/25
Partly Cloudy
3%
9°
24°
Sat
9/26
Clear
60%
11°
24°
Sun
9/27
Clear
60%
10°
23°
Mon
9/28
Drizzle
52%
13°
23°
Tue
9/29
Rain
71%
12°
21°
Wed
9/30
Rain
69%
8°
17°
Thu
10/1
Rain
68%
7°
16°
Fri
10/2
Drizzle
60%
7°
18°
Sat
10/3
Drizzle
60%
10°
19°
Sun
10/4
Drizzle
60%
7°
16°
Mon
10/5
Drizzle
60%
7°
16°
Tue
10/6
Drizzle
60%
7°
17°
28
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
2 AQI 0.3 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 2
Thu 30 Good 30 8
Fri 31 Good 31 19
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
MLCAPE16 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index16.6
Kinematics
0–6 km Shear4 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH34
0–3 km SRH42
Eff. SRH—
Storm Motion153° @ 25 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-17.5
Thermo & Levels
PWAT0.34 in
0–3 km LR2.5 °C/km
700–500 LR6.1 °C/km
Total Totals25.6
LCL918 hPa
LFC—
EL—
Freezing Lvl11,112 ft