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Columbiana County, Ohio, United States

Last updated: 1:52 AM CDT  ·  Refresh
7°C
Feels like 4°
Mostly Cloudy
▲ 11°  /  ▼ 1°
Wind
11 mph N
Humidity
86%
Dew Point
5°
Pressure
28.90 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
77%
Sunrise
7:36 AM
Sunset
6:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Columbiana County is currently mostly cloudy at 7°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:36AM · Sunset: 6:39PM.

31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
7°
16%
3 AM
7°
11%
4 AM
7°
4%
5 AM
6°
5%
6 AM
5°
3%
7 AM
4°
3%
8 AM
6°
3%
9 AM
7°
3%
10 AM
7°
3%
11 AM
8°
3%
12 PM
9°
3%
1 PM
11°
3%
2 PM
11°
3%
3 PM
11°
3%
4 PM
11°
3%
5 PM
9°
3%
6 PM
8°
3%
7 PM
6°
3%
8 PM
6°
3%
9 PM
5°
3%
10 PM
4°
3%
11 PM
4°
3%
12 AM
4°
3%
1 AM
4°
3%
7-Day Forecast
Today
11° 1°
Mostly Clear.
Sun
18° 1°
Clear.
Mon
21° 3°
Clear.
Tue
19° 4°
Clear.
Wed
21° 4°
Clear.
Thu
22° 4°
Clear.
Fri
22° 6°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 7° Mostly Cloudy 16% 11 mph N 86%
3 AM 7° Partly Cloudy 11% 11 mph N 86%
4 AM 7° Partly Cloudy 4% 11 mph N 86%
5 AM 6° Partly Cloudy 5% 12 mph N 83%
6 AM 5° Mostly Cloudy 3% 11 mph N 80%
7 AM 4° Mostly Cloudy 3% 10 mph N 78%
8 AM 6° Mostly Cloudy 3% 11 mph N 74%
9 AM 7° Mostly Cloudy 3% 12 mph N 68%
10 AM 7° Mostly Cloudy 3% 13 mph N 62%
11 AM 8° Partly Cloudy 3% 12 mph N 57%
12 PM 9° Mostly Clear 3% 11 mph N 53%
1 PM 11° Clear 3% 10 mph N 49%
2 PM 11° Clear 3% 10 mph NNW 48%
3 PM 11° Clear 3% 9 mph NNW 48%
4 PM 11° Clear 3% 8 mph NNW 48%
5 PM 9° Clear 3% 7 mph NNW 52%
6 PM 8° Clear 3% 6 mph NNW 59%
7 PM 6° Clear 3% 5 mph NNW 65%
8 PM 6° Clear 3% 4 mph NNW 68%
9 PM 5° Clear 3% 4 mph NNW 70%
10 PM 4° Clear 3% 3 mph NNW 72%
11 PM 4° Clear 3% 3 mph NNW 73%
12 AM 4° Clear 3% 3 mph NNW 73%
1 AM 4° Clear 3% 3 mph NNW 74%
15-Day Forecast
Today
10/17
Mostly Clear
16%
1°
11°
Sun
10/18
Clear
3%
1°
18°
Mon
10/19
Clear
3%
3°
21°
Tue
10/20
Clear
3%
4°
19°
Wed
10/21
Clear
3%
4°
21°
Thu
10/22
Clear
3%
4°
22°
Fri
10/23
Clear
3%
6°
22°
Sat
10/24
Clear
3%
5°
22°
Sun
10/25
Clear
3%
6°
23°
Mon
10/26
Clear
19%
7°
21°
Tue
10/27
Drizzle
60%
6°
19°
Wed
10/28
Drizzle
60%
6°
19°
Thu
10/29
Drizzle
60%
5°
19°
Fri
10/30
Drizzle
60%
6°
19°
Sat
10/31
Drizzle
60%
7°
18°
31
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
18 AQI 3.3 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 18
Sun 31 Good 31 2
Mon 27 Good 27 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. 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 Sat Oct 17, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 120 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE2 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN-4 J/kg
Lifted Index12.2
Kinematics
0–6 km Shear86 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH-171
0–3 km SRH-160
Eff. SRH—
Storm Motion283° @ 33 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index8.1
Thermo & Levels
PWAT0.57 in
0–3 km LR5.0 °C/km
700–500 LR4.9 °C/km
Total Totals33.3
LCL946 hPa
LFC—
EL—
Freezing Lvl3,583 ft