Columbiana County, Ohio, United States

Last updated: 6:16 AM CDT  ·  Refresh
19°C
Feels like 21°
Mostly Cloudy
▲ 27°  /  ▼ 18°
Wind
4 mph SW
Humidity
95%
Dew Point
19°
Pressure
28.80 inHg
Visibility
8 mi
UV Index
1.7
Cloud Cover
79%
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 mostly cloudy at 19°C. Precipitation is likely — peak probability 80% around 4 PM. Atmospheric instability is elevated (CAPE up to 1674 J/kg) — isolated convective development possible. Sunrise: 6:29AM · Sunset: 8:26PM.

Alerts

No active alerts for this location.
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
15%
8 AM
19°
38%
9 AM
20°
57%
10 AM
21°
52%
11 AM
22°
73%
12 PM
23°
60%
1 PM
23°
68%
2 PM
25°
68%
3 PM
24°
76%
4 PM
23°
80%
5 PM
22°
69%
6 PM
23°
70%
7 PM
23°
66%
8 PM
22°
70%
9 PM
21°
70%
10 PM
20°
66%
11 PM
20°
57%
12 AM
20°
57%
1 AM
19°
57%
2 AM
19°
33%
3 AM
19°
35%
4 AM
19°
43%
5 AM
19°
43%
6 AM
19°
43%
7-Day Forecast
Today
27° 18°
Overcast with a 80% chance of rain.
Wed
27° 18°
Mostly Cloudy with a 57% chance of rain.
Thu
28° 18°
Rain, 71% chance.
Fri
25° 13°
Partly Cloudy with a 72% chance of rain.
Sat
26° 12°
Drizzle, 45% chance.
Sun
28° 16°
Thunderstorm, 80% chance.
Mon
24° 14°
Partly Cloudy with a 56% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 19° Mostly Cloudy 15% 4 mph SW 95%
8 AM 19° Overcast 38% 6 mph SW 93%
9 AM 20° Heavy Rain 57% 7 mph SW 88%
10 AM 21° Heavy Rain 52% 8 mph WSW 82%
11 AM 22° Overcast 73% 9 mph WSW 78%
12 PM 23° Overcast 60% 9 mph WSW 75%
1 PM 23° Overcast 68% 8 mph WSW 72%
2 PM 25° Overcast 68% 8 mph WSW 72%
3 PM 24° Overcast 76% 10 mph WSW 78%
4 PM 23° Overcast 80% 10 mph WSW 82%
5 PM 22° Heavy Rain 69% 8 mph WSW 86%
6 PM 23° Heavy Rain 70% 7 mph WSW 89%
7 PM 23° Heavy Rain 66% 6 mph WSW 92%
8 PM 22° Heavy Rain 70% 7 mph WSW 95%
9 PM 21° Heavy Rain 70% 7 mph WSW 96%
10 PM 20° Overcast 66% 4 mph WSW 96%
11 PM 20° Overcast 57% 4 mph SW 97%
12 AM 20° Overcast 57% 4 mph SW 97%
1 AM 19° Mostly Cloudy 57% 4 mph SW 98%
2 AM 19° Mostly Cloudy 33% 4 mph SW 98%
3 AM 19° Mostly Cloudy 35% 4 mph SW 98%
4 AM 19° Overcast 43% 5 mph SW 98%
5 AM 19° Overcast 43% 5 mph SW 97%
6 AM 19° Overcast 43% 4 mph SW 97%
15-Day Forecast
Today
8/11
Overcast
80%
18°
27°
Wed
8/12
Mostly Cloudy
57%
18°
27°
Thu
8/13
Rain
71%
18°
28°
Fri
8/14
Partly Cloudy
72%
13°
25°
Sat
8/15
Drizzle
45%
12°
26°
Sun
8/16
Thunderstorm
80%
16°
28°
Mon
8/17
Partly Cloudy
56%
14°
24°
Tue
8/18
Clear
27%
14°
26°
Wed
8/19
Overcast
40%
16°
28°
Thu
8/20
Drizzle
40%
17°
25°
Fri
8/21
Drizzle
60%
15°
26°
Sat
8/22
Drizzle
60%
16°
27°
Sun
8/23
Drizzle
60%
15°
26°
Mon
8/24
Drizzle
60%
14°
26°
Tue
8/25
Drizzle
60%
14°
25°
53
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
53 AQI 10.4 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 35 53
Wed 42 Good 32 42
Thu 46 Good 38 46
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, 10:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE118 J/kg
MLCAPE128 J/kg
MUCAPE363 J/kg
SBCIN-241 J/kg
MLCIN0 J/kg
Lifted Index-1.2
Kinematics
0–6 km Shear32 kt
0–1 km Shear9 kt
Eff. Shear36 kt
0–1 km SRH58
0–3 km SRH153
Eff. SRH153
Storm Motion324° @ 28 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell1.0
K-Index36.2
Thermo & Levels
PWAT1.56 in
0–3 km LR4.4 °C/km
700–500 LR6.5 °C/km
Total Totals50.0
LCL965 hPa
LFC644 hPa
EL450 hPa
Freezing Lvl12,602 ft