Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM

Dane County, Wisconsin, United States

Last updated: 9:10 PM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Clear
▲ 23°  /  ▼ 14°
Wind
6 mph WSW
Humidity
91%
Dew Point
19°
Pressure
28.97 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
24%
Sunrise
6:10 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dane County is currently mostly clear at 20°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1279 J/kg) — isolated convective development possible. Sunrise: 6:10AM · Sunset: 7:50PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
21%
10 PM
21°
21%
11 PM
20°
14%
12 AM
19°
14%
1 AM
19°
3%
2 AM
18°
3%
3 AM
18°
4%
4 AM
17°
4%
5 AM
16°
4%
6 AM
16°
5%
7 AM
16°
5%
8 AM
18°
5%
9 AM
18°
5%
10 AM
20°
5%
11 AM
21°
5%
12 PM
22°
5%
1 PM
25°
5%
2 PM
25°
5%
3 PM
25°
5%
4 PM
27°
5%
5 PM
26°
5%
6 PM
24°
3%
7 PM
24°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
23° 14°
Mostly Clear with a 21% chance of rain.
Sat
27° 14°
Clear.
Sun
23° 12°
Mostly Clear.
Mon
22° 10°
Mostly Cloudy with a 60% chance of rain.
Tue
24° 13°
Drizzle, 64% chance.
Wed
28° 16°
Rain, 82% chance.
Thu
26° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Clear 21% 6 mph WSW 91%
10 PM 21° Mostly Clear 21% 7 mph WNW 91%
11 PM 20° Mostly Clear 14% 8 mph NW 89%
12 AM 19° Mostly Clear 14% 8 mph NNW 87%
1 AM 19° Partly Cloudy 3% 9 mph NNW 88%
2 AM 18° Partly Cloudy 3% 8 mph NW 90%
3 AM 18° Mostly Clear 4% 8 mph NW 91%
4 AM 17° Mostly Clear 4% 7 mph NW 90%
5 AM 16° Mostly Clear 4% 7 mph WNW 90%
6 AM 16° Mostly Clear 5% 7 mph WNW 89%
7 AM 16° Mostly Clear 5% 7 mph WNW 88%
8 AM 18° Mostly Clear 5% 8 mph WNW 82%
9 AM 18° Mostly Clear 5% 9 mph NW 76%
10 AM 20° Clear 5% 10 mph NW 71%
11 AM 21° Clear 5% 12 mph NW 64%
12 PM 22° Clear 5% 14 mph NW 58%
1 PM 25° Clear 5% 15 mph NW 53%
2 PM 25° Clear 5% 14 mph NW 52%
3 PM 25° Clear 5% 14 mph NW 51%
4 PM 27° Clear 5% 14 mph NW 51%
5 PM 26° Mostly Clear 5% 13 mph NW 54%
6 PM 24° Mostly Clear 3% 12 mph NW 57%
7 PM 24° Mostly Clear 3% 11 mph NW 59%
8 PM 23° Partly Cloudy 3% 10 mph NW 60%
15-Day Forecast
Today
8/21
Mostly Clear
21%
14°
23°
Sat
8/22
Clear
14%
14°
27°
Sun
8/23
Mostly Clear
3%
12°
23°
Mon
8/24
Mostly Cloudy
60%
10°
22°
Tue
8/25
Drizzle
64%
13°
24°
Wed
8/26
Rain
82%
16°
28°
Thu
8/27
Clear
17%
15°
26°
Fri
8/28
Clear
22%
16°
27°
Sat
8/29
Drizzle
68%
16°
27°
Sun
8/30
Thunderstorm
68%
18°
29°
Mon
8/31
Drizzle
60%
17°
29°
Tue
9/1
Drizzle
60%
17°
28°
Wed
9/2
Drizzle
60%
16°
27°
Thu
9/3
Clear
60%
16°
26°
Fri
9/4
Clear
60%
15°
27°
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
24 AQI 4.3 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 24
Sun 30 Good 30 11
Mon 27 Good 27 10
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 Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1046 J/kg
MLCAPE1969 J/kg
MUCAPE2508 J/kg
SBCIN-148 J/kg
MLCIN-54 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear31 kt
0–1 km Shear16 kt
Eff. Shear30 kt
0–1 km SRH79
0–3 km SRH87
Eff. SRH87
Storm Motion339° @ 22 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.3
STP (eff)0.6
Supercell3.3
K-Index29.5
Thermo & Levels
PWAT1.39 in
0–3 km LR5.3 °C/km
700–500 LR5.9 °C/km
Total Totals50.1
LCL967 hPa
LFC808 hPa
EL237 hPa
Freezing Lvl12,835 ft