Columbiana County, Ohio, United States

Last updated: 11:19 AM CDT  ·  Refresh
23°C
Feels like 24°
Overcast
▲ 27°  /  ▼ 18°
Wind
7 mph SW
Humidity
80%
Dew Point
20°
Pressure
28.77 inHg
Visibility
9 mi
UV Index
4.3
Cloud Cover
89%
Sunrise
6:29 AM
Sunset
8:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Columbiana County is currently overcast at 23°C. Precipitation is likely — peak probability 82% around 7 PM. Atmospheric instability is elevated (CAPE up to 1808 J/kg) — isolated convective development possible. Sunrise: 6:29AM · Sunset: 8:26PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
22%
1 PM
23°
61%
2 PM
24°
61%
3 PM
25°
72%
4 PM
25°
70%
5 PM
24°
62%
6 PM
24°
66%
7 PM
23°
81%
8 PM
21°
65%
9 PM
21°
65%
10 PM
20°
42%
11 PM
20°
43%
12 AM
19°
44%
1 AM
19°
34%
2 AM
19°
14%
3 AM
19°
14%
4 AM
19°
15%
5 AM
19°
19%
6 AM
18°
19%
7 AM
18°
9%
8 AM
19°
15%
9 AM
19°
15%
10 AM
20°
26%
11 AM
21°
37%
7-Day Forecast
Today
27° 18°
Overcast with a 72% chance of rain.
Wed
27° 18°
Mostly Cloudy with a 62% chance of rain.
Thu
28° 18°
Mostly Cloudy with a 65% chance of rain.
Fri
24° 16°
Mostly Cloudy with a 60% chance of rain.
Sat
26° 13°
Drizzle, 42% chance.
Sun
31° 17°
Thunderstorm, 82% chance.
Mon
24° 14°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 22% 7 mph SW 80%
1 PM 23° Mostly Cloudy 61% 10 mph SW 74%
2 PM 24° Mostly Cloudy 61% 9 mph WSW 73%
3 PM 25° Overcast 72% 8 mph SW 74%
4 PM 25° Overcast 70% 8 mph SW 76%
5 PM 24° Overcast 62% 9 mph SW 79%
6 PM 24° Overcast 66% 8 mph WSW 86%
7 PM 23° Heavy Rain 81% 8 mph WSW 92%
8 PM 21° Heavy Rain 65% 8 mph W 96%
9 PM 21° Overcast 65% 7 mph W 96%
10 PM 20° Overcast 42% 5 mph W 97%
11 PM 20° Overcast 43% 4 mph W 97%
12 AM 19° Overcast 44% 4 mph W 98%
1 AM 19° Overcast 34% 4 mph WSW 98%
2 AM 19° Overcast 14% 3 mph WSW 98%
3 AM 19° Overcast 14% 3 mph WSW 98%
4 AM 19° Mostly Cloudy 15% 4 mph SW 98%
5 AM 19° Fog 19% 4 mph SW 98%
6 AM 18° Fog 19% 4 mph SW 98%
7 AM 18° Fog 9% 4 mph SW 97%
8 AM 19° Haze 15% 4 mph SW 96%
9 AM 19° Mostly Cloudy 15% 5 mph SW 93%
10 AM 20° Overcast 26% 5 mph SW 90%
11 AM 21° Overcast 37% 6 mph SW 86%
15-Day Forecast
Today
8/11
Overcast
72%
18°
27°
Wed
8/12
Mostly Cloudy
62%
18°
27°
Thu
8/13
Mostly Cloudy
65%
18°
28°
Fri
8/14
Mostly Cloudy
60%
16°
24°
Sat
8/15
Drizzle
42%
13°
26°
Sun
8/16
Thunderstorm
82%
17°
31°
Mon
8/17
Clear
52%
14°
24°
Tue
8/18
Drizzle
42%
13°
26°
Wed
8/19
Drizzle
44%
16°
27°
Thu
8/20
Drizzle
44%
16°
27°
Fri
8/21
Drizzle
60%
14°
28°
Sat
8/22
Drizzle
60%
16°
27°
Sun
8/23
Drizzle
60%
14°
26°
Mon
8/24
Drizzle
60%
14°
25°
Tue
8/25
Drizzle
60%
13°
24°
44
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
44 AQI 8.0 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 44 Good 36 44
Thu 39 Good 34 39
Fri 56 Moderate 42 56
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 11, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE830 J/kg
MLCAPE785 J/kg
MUCAPE1293 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear40 kt
0–1 km Shear13 kt
Eff. Shear41 kt
0–1 km SRH90
0–3 km SRH127
Eff. SRH127
Storm Motion326° @ 28 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.3
STP (eff)0.5
Supercell3.5
K-Index33.8
Thermo & Levels
PWAT1.65 in
0–3 km LR5.7 °C/km
700–500 LR6.3 °C/km
Total Totals50.5
LCL934 hPa
LFC974 hPa
EL252 hPa
Freezing Lvl12,822 ft