Flood Warning — Polk County, IA Heat Advisory — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA 12:00 PM Excessive Heat Warning — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA, Marshall, IA, Tama, IA, Jasper, IA, Poweshiek, IA, Marion, IA, Mahaska, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA 9:00 PM Extreme Heat Watch 10:00 PM Extreme Heat Watch 10:00 PM

Des Moines, Iowa

Last updated: 7:44 AM CDT  ·  Refresh
27°C
Feels like 31°
Mostly Cloudy
▲ 39°  /  ▼ 24°
Wind
3 mph SW
Humidity
85%
Dew Point
24°
Pressure
29.00 inHg
Visibility
10 mi
UV Index
3.3
Cloud Cover
70%
Sunrise
6:03 AM
Sunset
8:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Des Moines is currently mostly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3842 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:38PM.

Alerts

Flood Warning
Polk County, IA
Expires
Heat Advisory
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA
Expires 12:00 PM
Excessive Heat Warning
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA, Marshall, IA, Tama, IA, Jasper, IA, Poweshiek, IA, Marion, IA, Mahaska, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
Extreme Heat Watch
Expires 10:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
8 AM
28°
23%
9 AM
30°
14%
10 AM
32°
14%
11 AM
34°
14%
12 PM
36°
7%
1 PM
37°
4%
2 PM
38°
7%
3 PM
38°
8%
4 PM
38°
8%
5 PM
38°
8%
6 PM
37°
8%
7 PM
36°
8%
8 PM
34°
8%
9 PM
32°
8%
10 PM
31°
8%
11 PM
30°
13%
12 AM
29°
12%
1 AM
29°
13%
2 AM
28°
9%
3 AM
28°
9%
4 AM
28°
19%
5 AM
27°
19%
6 AM
27°
20%
7-Day Forecast
Today
39° 24°
Partly Cloudy.
Mon
38° 24°
Clear with a 25% chance of rain.
Tue
34° 22°
Partly Cloudy with a 28% chance of rain.
Wed
34° 21°
Partly Cloudy with a 37% chance of rain.
Thu
33° 20°
Rain, 64% chance.
Fri
32° 20°
Rain, 82% chance.
Sat
32° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 11% 3 mph SW 85%
8 AM 28° Mostly Cloudy 23% 5 mph SSW 71%
9 AM 30° Partly Cloudy 14% 6 mph SSW 62%
10 AM 32° Mostly Cloudy 14% 6 mph SW 58%
11 AM 34° Mostly Cloudy 14% 6 mph SW 54%
12 PM 36° Mostly Cloudy 7% 6 mph SW 50%
1 PM 37° Mostly Cloudy 4% 6 mph SW 47%
2 PM 38° Mostly Cloudy 7% 6 mph SW 42%
3 PM 38° Partly Cloudy 8% 7 mph SSW 38%
4 PM 38° Partly Cloudy 8% 8 mph SSW 36%
5 PM 38° Partly Cloudy 8% 9 mph SSW 37%
6 PM 37° Partly Cloudy 8% 10 mph SSW 39%
7 PM 36° Partly Cloudy 8% 10 mph SSW 43%
8 PM 34° Partly Cloudy 8% 9 mph SSW 47%
9 PM 32° Partly Cloudy 8% 10 mph SSW 52%
10 PM 31° Partly Cloudy 8% 8 mph SSW 56%
11 PM 30° Partly Cloudy 13% 7 mph SSW 60%
12 AM 29° Partly Cloudy 12% 6 mph SSW 64%
1 AM 29° Partly Cloudy 13% 7 mph SSW 66%
2 AM 28° Partly Cloudy 9% 7 mph SSW 68%
3 AM 28° Mostly Clear 9% 8 mph SSW 69%
4 AM 28° Mostly Clear 19% 8 mph SSW 71%
5 AM 27° Mostly Clear 19% 7 mph S 74%
6 AM 27° Clear 20% 7 mph S 76%
15-Day Forecast
Today
7/26
Partly Cloudy
14%
24°
39°
Mon
7/27
Clear
25%
24°
38°
Tue
7/28
Partly Cloudy
28%
22°
34°
Wed
7/29
Partly Cloudy
37%
21°
34°
Thu
7/30
Rain
64%
20°
33°
Fri
7/31
Rain
82%
20°
32°
Sat
8/1
Clear
17%
18°
32°
Sun
8/2
Clear
18%
18°
33°
Mon
8/3
Drizzle
44%
19°
36°
Tue
8/4
Clear
44%
21°
36°
Wed
8/5
Drizzle
60%
19°
35°
Thu
8/6
Drizzle
60%
19°
33°
Fri
8/7
Drizzle
60%
19°
36°
Sat
8/8
Drizzle
60%
21°
37°
Sun
8/9
Drizzle
60%
21°
37°
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 9.9 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 52 Moderate 39 52
Tue 54 Moderate 44 54
Wed 57 Moderate 41 57
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 Sun Jul 26, 11:00'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
SBCAPE2424 J/kg
MLCAPE1155 J/kg
MUCAPE2494 J/kg
SBCIN-448 J/kg
MLCIN0 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear35 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH-52
0–3 km SRH-78
Eff. SRH—
Storm Motion262° @ 26 kt
0–1 km EHI-0.8
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.6
Thermo & Levels
PWAT1.48 in
0–3 km LR4.5 °C/km
700–500 LR7.5 °C/km
Total Totals47.8
LCL947 hPa
LFC692 hPa
EL167 hPa
Freezing Lvl15,574 ft