Live Weather & Forecast

Weather in Onawa

Iowa, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
24°C
Feels like 24°C
75°F / Feels 75°F
Sunny
Onawa, Iowa
🌞 Daytime
Updated: 2026-04-12 15:15
💧
Humidity
62%
💨
Wind
30.2 km/h SSW
🌬️
Wind Gust
34.8 km/h
🌡️
Pressure
1004 mb
👁️
Visibility
16 km
☀️
UV Index
5.3 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
25%
💦
Dew Point
9°C
🌐
Wind Degree
199°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
157.9 μg/m³
NO₂
4.5 μg/m³
O₃
90 μg/m³
SO₂
1.3 μg/m³
PM 2.5
5.2 μg/m³
PM 10
11.4 μg/m³

Weather Alerts 1

Met · Severe · Expected
Red Flag Warning issued April 12 at 12:44PM CDT until April 12 at 7:00PM CDT by NWS Sioux Falls SD

The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 7 PM CDT this evening. * AFFECTED AREA...In Iowa, Lyon, Sioux and Plymouth. In Minnesota, Pipestone and Rock. In Nebraska, Dakota. In South Dakota, Miner, Lake and Moody. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 17 per...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T12:44:00-05:00  ·  Expires: 2026-04-12T19:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Onawa, Iowa

12 AM
Clear
17°
Clear
💧 86% 💨 30.6 km/h
1 AM
Clear
17°
Clear
💧 87% 💨 29.2 km/h
2 AM
Clear
17°
Clear
💧 87% 💨 32 km/h
3 AM
Clear
17°
Clear
💧 88% 💨 31.3 km/h
4 AM
Clear
17°
Clear
💧 88% 💨 31.3 km/h
5 AM
Clear
17°
Clear
💧 89% 💨 29.2 km/h
6 AM
Clear
17°
Clear
💧 89% 💨 28.4 km/h
7 AM
Sunny
17°
Sunny
💧 89% 💨 28.8 km/h
8 AM
Sunny
18°
Sunny
💧 90% 💨 29.2 km/h
9 AM
Sunny
19°
Sunny
💧 86% 💨 30.6 km/h
10 AM
Sunny
21°
Sunny
💧 79% 💨 32.4 km/h
11 AM
Sunny
24°
Sunny
💧 69% 💨 32.4 km/h
12 PM
Sunny
26°
Sunny
💧 55% 💨 34.6 km/h
1 PM
Sunny
29°
Sunny
💧 44% 💨 35.3 km/h
2 PM
Sunny
30°
Sunny
💧 33% 💨 31.7 km/h
3 PM
Sunny
24°
Sunny
💧 62% 💨 30.2 km/h
4 PM
Sunny
29°
Sunny
💧 20% 💨 28.4 km/h
5 PM
Thundery outbreaks in nearby
27°
Thundery outbreaks in nearby
💧 50% 💨 26.6 km/h
6 PM
Thundery outbreaks in nearby
25°
Thundery outbreaks in nearby
💧 62% 💨 23 km/h
7 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 73% 💨 24.1 km/h
8 PM
Thundery outbreaks in nearby
22°
Thundery outbreaks in nearby
💧 75% 💨 23.4 km/h
9 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 83% 💨 24.5 km/h
10 PM
Clear
20°
Clear
💧 90% 💨 24.8 km/h
11 PM
Clear
19°
Clear
💧 94% 💨 22.7 km/h

3-Day Forecast

Daily overview for Onawa, Iowa

Today
Sunny
Sunny
32° / 17°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:48 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
Overcast
28° / 17°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 32 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:47 AM
🌇 Sunset: 08:03 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Heavy rain
Heavy rain
20° / 13°
🌧️ 79% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 35.15 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:45 AM
🌇 Sunset: 08:05 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Onawa

Plan your trip to Onawa, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Onawa 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Onawa?
Current conditions in Onawa: Sunny, temperature 24°C, humidity 62%.
What is the best time to visit Onawa?
The best time to visit Onawa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Onawa?
Onawa is located at approximately 42° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Onawa?
The wettest period in Onawa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Onawa?
For visits to Onawa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Onawa in?
Onawa is located in United States, in the state of Iowa.
What are the public holidays in Onawa in 2026?
View the 2026 public holidays for Onawa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Onawa?
The weather forecast for Onawa uses coordinates 42.0268, -96.0975.