Des Moines, Iowa

Last updated: 11:18 AM CDT  ·  Refresh
18°C
Feels like 17°
Overcast
▲ 18°  /  ▼ 13°
Wind
10 mph NNE
Humidity
94%
Dew Point
17°
Pressure
29.06 inHg
Visibility
10 mi
UV Index
3.1
Cloud Cover
92%
Sunrise
6:58 AM
Sunset
7:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Des Moines is currently overcast at 18°C. Precipitation is likely — peak probability 79% around 2 AM. Sunrise: 6:58AM · Sunset: 7:14PM.

Alerts

No active alerts for this location.
16 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
52%
12 PM
17°
45%
1 PM
18°
45%
2 PM
17°
45%
3 PM
17°
64%
4 PM
17°
65%
5 PM
17°
66%
6 PM
17°
56%
7 PM
17°
56%
8 PM
17°
75%
9 PM
16°
62%
10 PM
16°
59%
11 PM
16°
59%
12 AM
16°
64%
1 AM
16°
64%
2 AM
15°
79%
3 AM
15°
75%
4 AM
15°
75%
5 AM
14°
75%
6 AM
14°
75%
7 AM
14°
76%
8 AM
14°
76%
9 AM
14°
71%
10 AM
14°
72%
7-Day Forecast
Today
18° 13°
Overcast with a 75% chance of rain.
Mon
17° 12°
Overcast with a 79% chance of rain.
Tue
15° 10°
Mostly Cloudy with a 28% chance of rain.
Wed
20° 8°
Mostly Cloudy.
Thu
21° 11°
Clear.
Fri
21° 14°
Clear with a 42% chance of rain.
Sat
22° 12°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 18° Overcast 52% 10 mph NNE 94%
12 PM 17° Overcast 45% 11 mph NE 91%
1 PM 18° Overcast 45% 12 mph NE 91%
2 PM 17° Overcast 45% 11 mph NE 91%
3 PM 17° Overcast 64% 11 mph NE 92%
4 PM 17° Overcast 65% 11 mph NE 92%
5 PM 17° Overcast 66% 11 mph NE 92%
6 PM 17° Overcast 56% 10 mph NE 93%
7 PM 17° Overcast 56% 10 mph NE 94%
8 PM 17° Overcast 75% 10 mph ENE 94%
9 PM 16° Overcast 62% 11 mph ENE 94%
10 PM 16° Overcast 59% 11 mph ENE 94%
11 PM 16° Overcast 59% 11 mph ENE 94%
12 AM 16° Overcast 64% 10 mph ENE 94%
1 AM 16° Overcast 64% 10 mph ENE 94%
2 AM 15° Overcast 79% 10 mph ENE 94%
3 AM 15° Overcast 75% 10 mph ENE 94%
4 AM 15° Overcast 75% 10 mph ENE 94%
5 AM 14° Overcast 75% 10 mph ENE 94%
6 AM 14° Overcast 75% 10 mph NE 94%
7 AM 14° Overcast 76% 10 mph NE 94%
8 AM 14° Overcast 76% 10 mph NE 94%
9 AM 14° Overcast 71% 10 mph NE 94%
10 AM 14° Overcast 72% 10 mph NE 93%
15-Day Forecast
Today
9/20
Overcast
75%
13°
18°
Mon
9/21
Overcast
79%
12°
17°
Tue
9/22
Mostly Cloudy
28%
10°
15°
Wed
9/23
Mostly Cloudy
3%
8°
20°
Thu
9/24
Clear
16%
11°
21°
Fri
9/25
Clear
42%
14°
21°
Sat
9/26
Drizzle
63%
12°
22°
Sun
9/27
Drizzle
43%
12°
23°
Mon
9/28
Drizzle
44%
13°
24°
Tue
9/29
Drizzle
51%
14°
22°
Wed
9/30
Drizzle
60%
13°
23°
Thu
10/1
Drizzle
60%
12°
22°
Fri
10/2
Drizzle
60%
12°
22°
Sat
10/3
Drizzle
60%
11°
21°
Sun
10/4
Drizzle
60%
11°
21°
16
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
9 AQI 1.8 µg/m³
O3
Ground-level ozone
Dominant
16 AQI 18 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 16 Good 16 9
Tue 17 Good 17 9
Wed 15 Good 15 9
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 Sep 20, 15:00'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
SBCAPE4 J/kg
MLCAPE10 J/kg
MUCAPE2 J/kg
SBCIN-2 J/kg
MLCIN0 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear20 kt
0–1 km Shear11 kt
Eff. Shear—
0–1 km SRH-16
0–3 km SRH61
Eff. SRH—
Storm Motion345° @ 19 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.6
Thermo & Levels
PWAT1.53 in
0–3 km LR3.6 °C/km
700–500 LR6.1 °C/km
Total Totals42.0
LCL971 hPa
LFC956 hPa
EL883 hPa
Freezing Lvl13,501 ft