Live Weather & Forecast

Weather in Monticello

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

Flag of United States
Overcast
22°C
Feels like 25°C
72°F / Feels 76°F
Overcast
Monticello, Iowa
🌞 Daytime
Updated: 2026-04-13 12:15
💧
Humidity
94%
💨
Wind
18.4 km/h SSW
🌬️
Wind Gust
23.3 km/h
🌡️
Pressure
1010 mb
👁️
Visibility
16 km
☀️
UV Index
2.6 (Low)
🌧️
Precipitation
0.03 mm
☁️
Cloud Cover
100%
💦
Dew Point
18.8°C
🌐
Wind Degree
194°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
148.9 μg/m³
NO₂
2.1 μg/m³
O₃
85 μg/m³
SO₂
1.1 μg/m³
PM 2.5
5.1 μg/m³
PM 10
5.5 μg/m³

Weather Alerts 3

Met · Moderate · Expected
Special Weather Statement issued April 13 at 6:17AM CDT by NWS Quad Cities IA IL

Fog has developed across portions of eastern Iowa and could become locally dense with visibilities down to a quarter mile at times. If you are headed out early this morning, be prepared for rapid changes in visibility over short distances and keep plenty of stopping distance in front of you. The fog will dissipate by the mid morning.

Met · Severe · Expected
Flood Warning issued April 12 at 7:51PM CDT until April 16 at 1:30AM CDT by NWS Quad Cities IA IL

...Forecast flooding changed from Moderate to Major severity and increased in duration for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Thursday morning. * IMPACTS...At 12.5 feet, Major Flood Stag...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Monday evening at 800 P...

Met · Severe · Immediate
Flood Warning issued April 12 at 9:52PM CDT until April 13 at 1:00PM CDT by NWS Quad Cities IA IL

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. ...The Flood Warning continues for the following rivers in Iowa... Illinois... Iowa River at Oakville affecting Louisa County. Iowa River at Wapello affecting Louisa County. M...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued bythis evening at 1100 PM CDT.

Today's Hourly Forecast

24-hour breakdown for Monticello, Iowa

12 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 95% 💨 21.2 km/h 🌧️ 61%
1 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 94% 💨 19.4 km/h 🌧️ 86%
2 AM
Overcast
16°
Overcast
💧 93% 💨 19.4 km/h
3 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 94% 💨 19.8 km/h 🌧️ 81%
4 AM
Mist
16°
Mist
💧 94% 💨 20.9 km/h
5 AM
Mist
16°
Mist
💧 96% 💨 19.8 km/h
6 AM
Mist
17°
Mist
💧 95% 💨 18 km/h
7 AM
Overcast
17°
Overcast
💧 94% 💨 15.5 km/h
8 AM
Overcast
18°
Overcast
💧 95% 💨 18.4 km/h
9 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 95% 💨 22.3 km/h 🌧️ 83%
10 AM
Patchy rain nearby
19°
Patchy rain nearby
💧 94% 💨 19.8 km/h 🌧️ 67%
11 AM
Overcast
19°
Overcast
💧 92% 💨 20.2 km/h
12 PM
Overcast
22°
Overcast
💧 94% 💨 18.4 km/h 🌧️ 65%
1 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 92% 💨 24.5 km/h 🌧️ 67%
2 PM
Cloudy
21°
Cloudy
💧 89% 💨 28.1 km/h
3 PM
Moderate rain
23°
Moderate rain
💧 89% 💨 26.3 km/h 🌧️ 100%
4 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 84% 💨 28.1 km/h 🌧️ 86%
5 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 88% 💨 27 km/h 🌧️ 71%
6 PM
Partly Cloudy
22°
Partly Cloudy
💧 87% 💨 28.4 km/h
7 PM
Partly Cloudy
22°
Partly Cloudy
💧 87% 💨 31 km/h
8 PM
Clear
21°
Clear
💧 88% 💨 32.8 km/h
9 PM
Clear
21°
Clear
💧 88% 💨 30.2 km/h
10 PM
Clear
20°
Clear
💧 87% 💨 29.5 km/h
11 PM
Clear
20°
Clear
💧 85% 💨 29.2 km/h

3-Day Forecast

Daily overview for Monticello, Iowa

Today
Patchy rain nearby
Patchy rain nearby
24° / 16°
🌧️ 86% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 2.91 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
25° / 15°
🌧️ 89% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 34.6 km/h
🌧️ Total precip: 13.78 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
Heavy rain
16° / 14°
🌧️ 87% chance of rain
💧 Avg. humidity: 97%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 269.58 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Monticello

Plan your trip to Monticello, 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 Monticello 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Monticello?
Current conditions in Monticello: Overcast, temperature 22°C, humidity 94%.
What is the best time to visit Monticello?
The best time to visit Monticello is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Monticello?
Monticello is located at approximately 42.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Monticello?
The wettest period in Monticello is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Monticello?
For visits to Monticello during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Monticello in?
Monticello is located in United States, in the state of Iowa.
What are the public holidays in Monticello in 2026?
View the 2026 public holidays for Monticello on our Holidays page.
What are the GPS coordinates used for the weather forecast in Monticello?
The weather forecast for Monticello uses coordinates 42.2383, -91.1869.