Grant County, Washington, United States

Last updated: 4:50 PM CDT · Refresh

12°C

Feels like 8°

Overcast

▲ 14° / ▼ 7°

Wind

13 mph SW

Humidity

77%

Dew Point

9°

Pressure

28.67 inHg

Visibility

10 mi

UV Index

2.2

Cloud Cover

98%

Sunrise

6:31 AM

Sunset

7:13 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Grant County is currently overcast at 12°C. Precipitation is likely — peak probability 72% around 2 PM. Sunrise: 6:31AM · Sunset: 7:13PM.

33 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

12°

72%

3 PM

12°

53%

4 PM

12°

27%

5 PM

14°

27%

6 PM

14°

34%

7 PM

14°

51%

8 PM

13°

52%

9 PM

12°

32%

10 PM

11°

17%

11 PM

11°

12 AM

10°

1 AM

9°

2 AM

9°

3 AM

9°

4 AM

8°

5 AM

7°

6 AM

7°

7 AM

7°

8 AM

8°

9 AM

11°

10 AM

12°

11 AM

13°

12 PM

14°

1 PM

16°

7-Day Forecast

Today

14° 7°

Overcast with a 72% chance of rain.

Mon

21° 7°

Mostly Clear.

Tue

21° 8°

Mostly Cloudy.

Wed

27° 9°

Clear.

Thu

29° 11°

Clear.

Fri

29° 13°

Mostly Clear.

Sat

29° 12°

Partly Cloudy.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 12° Overcast 72% 13 mph SW 77%

3 PM 12° Overcast 53% 11 mph SW 77%

4 PM 12° Overcast 27% 10 mph SW 78%

5 PM 14° Overcast 27% 9 mph SW 80%

6 PM 14° Overcast 34% 7 mph SW 82%

7 PM 14° Overcast 51% 6 mph SW 83%

8 PM 13° Rain 52% 6 mph SW 84%

9 PM 12° Overcast 32% 5 mph SW 86%

10 PM 11° Overcast 17% 5 mph SSW 87%

11 PM 11° Mostly Cloudy 4% 4 mph SSW 87%

12 AM 10° Partly Cloudy 3% 5 mph SW 87%

1 AM 9° Partly Cloudy 3% 5 mph SW 88%

2 AM 9° Fog 7% 5 mph WSW 87%

3 AM 9° Fog 7% 5 mph WSW 86%

4 AM 8° Fog 6% 5 mph WSW 85%

5 AM 7° Fog 7% 5 mph SW 84%

6 AM 7° Fog 3% 5 mph SW 83%

7 AM 7° Fog 3% 4 mph SW 82%

8 AM 8° Mostly Clear 3% 4 mph SW 78%

9 AM 11° Mostly Clear 3% 4 mph SW 73%

10 AM 12° Mostly Clear 3% 4 mph SSW 69%

11 AM 13° Mostly Clear 3% 4 mph SSW 63%

12 PM 14° Clear 3% 5 mph SSW 57%

1 PM 16° Clear 3% 5 mph SSW 50%

15-Day Forecast

Today

9/13

Overcast

72%

7°

14°

Mon

9/14

Mostly Clear

7°

21°

Tue

9/15

Mostly Cloudy

14%

8°

21°

Wed

9/16

Clear

9°

27°

Thu

9/17

Clear

11°

29°

Fri

9/18

Mostly Clear

13°

29°

Sat

9/19

Partly Cloudy

12°

29°

Sun

9/20

Clear

13°

28°

Mon

9/21

Mostly Clear

13°

28°

Tue

9/22

Overcast

19%

12°

28°

Wed

9/23

Mostly Cloudy

16%

12°

26°

Thu

9/24

Clear

25%

11°

24°

Fri

9/25

Clear

25%

10°

24°

Sat

9/26

Clear

25%

11°

24°

Sun

9/27

Clear

11°

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

PM_2.5

Fine particulate matter

28 AQI 5.1 µg/m³

O₃

Ground-level ozone

Dominant

33 AQI 37 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 33 Good 33 28

Tue 30 Good 30 17

Wed 31 Good 31 25

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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE10 J/kg

MLCAPE25 J/kg

MUCAPE0 J/kg

SBCIN-16 J/kg

MLCIN0 J/kg

Lifted Index4.4

Kinematics

0–6 km Shear46 kt

0–1 km Shear13 kt

Eff. Shear—

0–1 km SRH74

0–3 km SRH123

Eff. SRH—

Storm Motion26° @ 11 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index26.7

Thermo & Levels

PWAT0.88 in

0–3 km LR5.9 °C/km

700–500 LR5.8 °C/km

Total Totals45.7

LCL918 hPa

LFC845 hPa

EL782 hPa

Freezing Lvl6,450 ft

Grant County, Washington, United States

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