Severe Thunderstorm Watch 10:00 PM

Clayton County, Iowa, United States

Last updated: 5:38 PM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 30°  /  ▼ 18°
Wind
9 mph SW
Humidity
70%
Dew Point
22°
Pressure
28.90 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
27%
Sunrise
5:35 AM
Sunset
8:45 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clayton County is currently mostly clear at 29°C. Precipitation is likely — peak probability 81% around 9 PM. Atmospheric instability is elevated (CAPE up to 2240 J/kg) — isolated convective development possible. Sunrise: 5:35AM · Sunset: 8:45PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
29%
6 PM
30°
35%
7 PM
29°
58%
8 PM
27°
76%
9 PM
24°
80%
10 PM
23°
78%
11 PM
22°
69%
12 AM
22°
69%
1 AM
21°
60%
2 AM
21°
54%
3 AM
21°
33%
4 AM
20°
30%
5 AM
18°
29%
6 AM
19°
12%
7 AM
19°
23%
8 AM
20°
40%
9 AM
21°
39%
10 AM
22°
50%
11 AM
23°
49%
12 PM
25°
49%
1 PM
25°
49%
2 PM
25°
49%
3 PM
26°
49%
4 PM
26°
41%
7-Day Forecast
Today
30° 18°
Partly Cloudy with a 76% chance of rain.
Thu
27° 18°
Mostly Cloudy with a 54% chance of rain.
Fri
29° 19°
Mostly Cloudy.
Sat
29° 17°
Mostly Clear.
Sun
29° 19°
Clear.
Mon
31° 19°
Clear.
Tue
31° 20°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 29% 9 mph SW 70%
6 PM 30° Partly Cloudy 35% 8 mph SW 74%
7 PM 29° Mostly Cloudy 58% 7 mph SW 79%
8 PM 27° Mostly Cloudy 76% 7 mph WSW 84%
9 PM 24° Rain 80% 7 mph W 87%
10 PM 23° Rain 78% 7 mph SW 89%
11 PM 22° Rain 69% 8 mph SSW 90%
12 AM 22° Rain 69% 10 mph SSW 91%
1 AM 21° Rain 60% 8 mph SW 92%
2 AM 21° Rain 54% 6 mph WSW 93%
3 AM 21° Overcast 33% 3 mph WSW 94%
4 AM 20° Overcast 30% 3 mph WSW 94%
5 AM 18° Overcast 29% 4 mph W 93%
6 AM 19° Overcast 12% 4 mph W 92%
7 AM 19° Overcast 23% 5 mph W 91%
8 AM 20° Overcast 40% 6 mph W 89%
9 AM 21° Overcast 39% 5 mph W 87%
10 AM 22° Overcast 50% 5 mph W 85%
11 AM 23° Mostly Cloudy 49% 5 mph W 84%
12 PM 25° Mostly Cloudy 49% 5 mph WSW 82%
1 PM 25° Mostly Cloudy 49% 5 mph WSW 81%
2 PM 25° Mostly Cloudy 49% 5 mph WSW 80%
3 PM 26° Mostly Cloudy 49% 4 mph WSW 79%
4 PM 26° Mostly Cloudy 41% 4 mph W 79%
15-Day Forecast
Today
7/8
Partly Cloudy
76%
18°
30°
Thu
7/9
Mostly Cloudy
54%
18°
27°
Fri
7/10
Mostly Cloudy
16%
19°
29°
Sat
7/11
Mostly Clear
17%
17°
29°
Sun
7/12
Clear
19%
19°
29°
Mon
7/13
Clear
9%
19°
31°
Tue
7/14
Mostly Clear
3%
20°
31°
Wed
7/15
Clear
60%
20°
31°
Thu
7/16
Drizzle
60%
19°
31°
Fri
7/17
Drizzle
60%
19°
30°
Sat
7/18
Drizzle
60%
13°
26°
Sun
7/19
Drizzle
60%
18°
26°
Mon
7/20
Drizzle
60%
17°
26°
Tue
7/21
Drizzle
90%
17°
26°
Wed
7/22
Drizzle
60%
17°
26°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 39 Good 33 39
Fri 36 Good 36 22
Sat 34 Good 34 26
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 Wed Jul 8, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2554 J/kg
MLCAPE1301 J/kg
MUCAPE2554 J/kg
SBCIN-0 J/kg
MLCIN-0 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear22 kt
0–1 km Shear4 kt
Eff. Shear22 kt
0–1 km SRH14
0–3 km SRH-17
Eff. SRH-17
Storm Motion233° @ 26 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index22.6
Thermo & Levels
PWAT1.48 in
0–3 km LR6.8 °C/km
700–500 LR6.5 °C/km
Total Totals45.9
LCL878 hPa
LFC965 hPa
EL186 hPa
Freezing Lvl14,039 ft