Story County, Iowa, United States

Last updated: 4:27 PM CDT  ·  Refresh
32°C
Feels like 41°
Partly Cloudy
▲ 33°  /  ▼ 23°
Wind
19 mph S
Humidity
74%
Dew Point
26°
Pressure
28.69 inHg
Visibility
10 mi
UV Index
7.5
Cloud Cover
42%
Sunrise
5:41 AM
Sunset
8:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Story County is currently partly cloudy at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4707 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:53PM.

Alerts

No active alerts for this location.
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
5%
5 PM
33°
25%
6 PM
33°
25%
7 PM
32°
28%
8 PM
31°
34%
9 PM
29°
42%
10 PM
29°
41%
11 PM
29°
42%
12 AM
28°
22%
1 AM
28°
8%
2 AM
27°
8%
3 AM
27°
17%
4 AM
26°
13%
5 AM
24°
17%
6 AM
24°
17%
7 AM
24°
5%
8 AM
26°
5%
9 AM
27°
16%
10 AM
28°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
32°
10%
2 PM
32°
10%
3 PM
32°
25%
7-Day Forecast
Today
33° 23°
Partly Cloudy with a 41% chance of rain.
Tue
33° 24°
Partly Cloudy with a 40% chance of rain.
Wed
34° 24°
Partly Cloudy with a 49% chance of rain.
Thu
34° 24°
Partly Cloudy with a 60% chance of rain.
Fri
33° 23°
Clear with a 53% chance of rain.
Sat
33° 21°
Thunderstorm, 90% chance.
Sun
30° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 5% 19 mph S 74%
5 PM 33° Partly Cloudy 25% 18 mph S 76%
6 PM 33° Partly Cloudy 25% 16 mph S 77%
7 PM 32° Partly Cloudy 28% 14 mph S 79%
8 PM 31° Mostly Cloudy 34% 13 mph S 80%
9 PM 29° Mostly Cloudy 42% 12 mph S 82%
10 PM 29° Mostly Cloudy 41% 12 mph S 83%
11 PM 29° Mostly Cloudy 42% 12 mph S 83%
12 AM 28° Mostly Cloudy 22% 12 mph SSW 82%
1 AM 28° Mostly Cloudy 8% 13 mph SSW 81%
2 AM 27° Partly Cloudy 8% 12 mph SSW 81%
3 AM 27° Partly Cloudy 17% 11 mph SSW 81%
4 AM 26° Mostly Clear 13% 9 mph SSW 82%
5 AM 24° Mostly Clear 17% 7 mph SSW 83%
6 AM 24° Mostly Clear 17% 7 mph S 84%
7 AM 24° Partly Cloudy 5% 9 mph S 82%
8 AM 26° Partly Cloudy 5% 12 mph S 78%
9 AM 27° Partly Cloudy 16% 14 mph S 73%
10 AM 28° Partly Cloudy 3% 15 mph SSW 68%
11 AM 31° Partly Cloudy 3% 15 mph SSW 65%
12 PM 32° Partly Cloudy 3% 15 mph SSW 62%
1 PM 32° Partly Cloudy 10% 15 mph SSW 61%
2 PM 32° Partly Cloudy 10% 15 mph SSW 62%
3 PM 32° Mostly Cloudy 25% 14 mph SSW 62%
15-Day Forecast
Today
6/29
Partly Cloudy
41%
23°
33°
Tue
6/30
Partly Cloudy
40%
24°
33°
Wed
7/1
Partly Cloudy
49%
24°
34°
Thu
7/2
Partly Cloudy
60%
24°
34°
Fri
7/3
Clear
53%
23°
33°
Sat
7/4
Thunderstorm
90%
21°
33°
Sun
7/5
Drizzle
60%
19°
30°
Mon
7/6
Clear
60%
19°
31°
Tue
7/7
Drizzle
60%
19°
31°
Wed
7/8
Drizzle
60%
19°
32°
Thu
7/9
Drizzle
60%
20°
30°
Fri
7/10
Drizzle
60%
19°
29°
Sat
7/11
Drizzle
60%
18°
29°
Sun
7/12
Drizzle
60%
18°
29°
Mon
7/13
Drizzle
60%
19°
29°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 48 Good 33 48
Wed 76 Moderate 34 76
Thu 59 Moderate 35 59
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 Jun 29, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5888 J/kg
MLCAPE5013 J/kg
MUCAPE5888 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.4
Kinematics
0–6 km Shear30 kt
0–1 km Shear13 kt
Eff. Shear23 kt
0–1 km SRH48
0–3 km SRH-9
Eff. SRH-9
Storm Motion205° @ 41 kt
0–1 km EHI1.8
Composite Parameters
Sig. Tornado1.2
STP (eff)0.0
Supercell0.0
K-Index37.4
Thermo & Levels
PWAT1.96 in
0–3 km LR6.0 °C/km
700–500 LR7.2 °C/km
Total Totals52.6
LCL893 hPa
LFC972 hPa
EL124 hPa
Freezing Lvl16,053 ft