Mason County, Michigan, United States

Last updated: 3:52 PM CDT · Refresh

18°C

Feels like 13°

Partly Cloudy

▲ 19° / ▼ 7°

Wind

13 mph WNW

Humidity

51%

Dew Point

8°

Pressure

29.32 inHg

Visibility

10 mi

UV Index

6.1

Cloud Cover

40%

Sunrise

7:22 AM

Sunset

7:58 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Mason County is currently partly cloudy at 18°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:22AM · Sunset: 7:58PM.

25 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

18°

5 PM

19°

6 PM

19°

7 PM

17°

8 PM

16°

9 PM

14°

10 PM

13°

11 PM

13°

12 AM

12°

1 AM

12°

2 AM

11°

3 AM

11°

4 AM

10°

5 AM

8°

6 AM

8°

7 AM

7°

8 AM

9°

9 AM

11°

10 AM

13°

11 AM

15°

12 PM

16°

1 PM

17°

2 PM

17°

10%

3 PM

17°

25%

7-Day Forecast

Today

19° 7°

Mostly Clear.

Mon

21° 7°

Mostly Clear with a 86% chance of rain.

Tue

24° 12°

Overcast with a 90% chance of rain.

Wed

22° 13°

Rain, 82% chance.

Thu

24° 12°

Drizzle, 50% chance.

Fri

24° 11°

Rain, 90% chance.

Sat

21° 13°

Rain, 90% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 18° Partly Cloudy 9% 13 mph WNW 51%

5 PM 19° Clear 3% 11 mph WNW 52%

6 PM 19° Clear 3% 8 mph WNW 56%

7 PM 17° Clear 3% 5 mph NW 60%

8 PM 16° Clear 3% 4 mph NNW 62%

9 PM 14° Clear 3% 4 mph N 64%

10 PM 13° Clear 3% 4 mph N 66%

11 PM 13° Clear 3% 5 mph NNE 68%

12 AM 12° Clear 3% 4 mph NNE 69%

1 AM 12° Clear 3% 4 mph NE 70%

2 AM 11° Clear 3% 4 mph ENE 71%

3 AM 11° Clear 3% 3 mph E 72%

4 AM 10° Clear 3% 3 mph ESE 73%

5 AM 8° Clear 3% 3 mph SE 75%

6 AM 8° Clear 3% 3 mph SE 76%

7 AM 7° Clear 3% 4 mph SE 79%

8 AM 9° Clear 3% 4 mph SE 73%

9 AM 11° Clear 3% 4 mph SE 62%

10 AM 13° Clear 3% 4 mph SE 55%

11 AM 15° Clear 3% 4 mph SSE 52%

12 PM 16° Clear 3% 4 mph SSE 50%

1 PM 17° Clear 3% 4 mph S 47%

2 PM 17° Mostly Clear 10% 5 mph S 48%

3 PM 17° Mostly Clear 25% 5 mph S 48%

15-Day Forecast

Today

9/13

Mostly Clear

7°

19°

Mon

9/14

Mostly Clear

86%

7°

21°

Tue

9/15

Overcast

90%

12°

24°

Wed

9/16

Rain

82%

13°

22°

Thu

9/17

Drizzle

50%

12°

24°

Fri

9/18

Rain

90%

11°

24°

Sat

9/19

Rain

90%

13°

21°

Sun

9/20

Clear

60%

11°

20°

Mon

9/21

Drizzle

60%

9°

21°

Tue

9/22

Drizzle

60%

11°

22°

Wed

9/23

Clear

25%

11°

19°

Thu

9/24

Clear

25%

14°

21°

Fri

9/25

Drizzle

60%

14°

20°

Sat

9/26

Drizzle

60%

14°

20°

Sun

9/27

Drizzle

60%

14°

19°

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

PM_2.5

Fine particulate matter

9 AQI 1.7 µg/m³

O₃

Ground-level ozone

Dominant

25 AQI 27 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 25 Good 25 9

Tue 34 Good 34 4

Wed 39 Good 39 18

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE25 J/kg

MLCAPE4 J/kg

MUCAPE0 J/kg

SBCIN0 J/kg

MLCIN-1 J/kg

Lifted Index6.8

Kinematics

0–6 km Shear83 kt

0–1 km Shear10 kt

Eff. Shear—

0–1 km SRH39

0–3 km SRH79

Eff. SRH—

Storm Motion290° @ 51 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index18.4

Thermo & Levels

PWAT0.88 in

0–3 km LR6.2 °C/km

700–500 LR5.6 °C/km

Total Totals35.1

LCL858 hPa

LFC993 hPa

EL869 hPa

Freezing Lvl9,281 ft

Mason County, Michigan, United States

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