Columbia County, Wisconsin, United States

Last updated: 9:13 PM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 33°  /  ▼ 18°
Wind
6 mph NNE
Humidity
69%
Dew Point
22°
Pressure
28.70 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
5:41 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Columbia County is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1838 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:25PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
10 PM
26°
21%
11 PM
26°
21%
12 AM
24°
23%
1 AM
23°
16%
2 AM
23°
15%
3 AM
22°
6%
4 AM
21°
6%
5 AM
19°
6%
6 AM
19°
3%
7 AM
19°
3%
8 AM
21°
3%
9 AM
22°
3%
10 AM
23°
3%
11 AM
24°
3%
12 PM
26°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
28°
3%
4 PM
29°
3%
5 PM
29°
3%
6 PM
28°
3%
7 PM
27°
3%
8 PM
26°
3%
7-Day Forecast
Tonight
33° 18°
Clear.
Tue
29° 18°
Mostly Clear with a 23% chance of rain.
Wed
31° 17°
Clear with a 23% chance of rain.
Thu
36° 19°
Mostly Cloudy with a 26% chance of rain.
Fri
31° 18°
Rain, 72% chance.
Sat
36° 16°
Rain, 64% chance.
Sun
32° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 6 mph NNE 69%
10 PM 26° Mostly Clear 21% 8 mph NNE 75%
11 PM 26° Partly Cloudy 21% 8 mph N 84%
12 AM 24° Partly Cloudy 23% 10 mph NNE 89%
1 AM 23° Mostly Cloudy 16% 10 mph NNE 92%
2 AM 23° Mostly Cloudy 15% 10 mph NNE 91%
3 AM 22° Mostly Cloudy 6% 10 mph NNE 90%
4 AM 21° Mostly Cloudy 6% 10 mph NNE 91%
5 AM 19° Mostly Cloudy 6% 9 mph NNE 89%
6 AM 19° Mostly Cloudy 3% 8 mph NNE 88%
7 AM 19° Mostly Cloudy 3% 9 mph NNE 84%
8 AM 21° Partly Cloudy 3% 10 mph NNE 76%
9 AM 22° Partly Cloudy 3% 10 mph NNE 69%
10 AM 23° Mostly Clear 3% 10 mph NNE 62%
11 AM 24° Mostly Clear 3% 10 mph NNE 56%
12 PM 26° Clear 3% 9 mph NNE 50%
1 PM 28° Clear 3% 9 mph NNE 45%
2 PM 28° Clear 3% 8 mph NE 44%
3 PM 28° Clear 3% 8 mph NE 44%
4 PM 29° Clear 3% 8 mph NE 44%
5 PM 29° Clear 3% 7 mph NE 48%
6 PM 28° Clear 3% 6 mph NE 52%
7 PM 27° Clear 3% 6 mph ENE 56%
8 PM 26° Clear 3% 5 mph E 58%
15-Day Forecast
Today
7/27
Clear
3%
18°
33°
Tue
7/28
Mostly Clear
23%
18°
29°
Wed
7/29
Clear
23%
17°
31°
Thu
7/30
Mostly Cloudy
26%
19°
36°
Fri
7/31
Rain
72%
18°
31°
Sat
8/1
Rain
64%
16°
36°
Sun
8/2
Clear
8%
14°
32°
Mon
8/3
Clear
17%
14°
34°
Tue
8/4
Drizzle
44%
17°
36°
Wed
8/5
Rain
68%
17°
36°
Thu
8/6
Rain
64%
16°
30°
Fri
8/7
Drizzle
60%
15°
32°
Sat
8/8
Drizzle
60%
16°
33°
Sun
8/9
Drizzle
60%
17°
33°
Mon
8/10
Drizzle
60%
17°
35°
52
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
52 AQI 9.8 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 43 52
Wed 36 Good 36 34
Thu 53 Moderate 38 53
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 Mon Jul 27, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1499 J/kg
MLCAPE825 J/kg
MUCAPE1499 J/kg
SBCIN-284 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear55 kt
0–1 km Shear15 kt
Eff. Shear45 kt
0–1 km SRH-86
0–3 km SRH-116
Eff. SRH-67
Storm Motion288° @ 30 kt
0–1 km EHI-0.8
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.6
Thermo & Levels
PWAT1.44 in
0–3 km LR6.0 °C/km
700–500 LR5.6 °C/km
Total Totals48.1
LCL900 hPa
LFC768 hPa
EL222 hPa
Freezing Lvl15,699 ft