Live Weather & Forecast
Weather in Hennepin
Illinois, United States · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
64°F / Feels 64°F
Overcast
Hennepin, Illinois
🌙 Nighttime
Updated: 2026-04-13 03:30
Humidity
92%
Wind
22.3 km/h SW
Wind Gust
33.3 km/h
Pressure
1010 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0.01 mm
Cloud Cover
100%
Dew Point
15.8°C
Wind Degree
222°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
149.9 μg/m³
NO₂
3.7 μg/m³
O₃
68 μg/m³
SO₂
1.6 μg/m³
PM 2.5
4.4 μg/m³
PM 10
4.8 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Special Weather Statement issued April 12 at 10:23PM CDT by NWS Lincoln IL
Moderately strong winds out of the south to southwest will continue late this evening into the overnight hours. Expect a few sporadic gusts of 40 to 50 mph with more frequent gusts of 25 to 40 mph. These winds can make driving difficult, especially for high profile vehicles.
Today's Hourly Forecast
24-hour breakdown for Hennepin, Illinois
12 AM
17°
Patchy rain nearby
1 AM
17°
Patchy rain nearby
2 AM
17°
Patchy rain nearby
3 AM
18°
Overcast
4 AM
17°
Clear
5 AM
17°
Clear
6 AM
17°
Partly Cloudy
7 AM
18°
Cloudy
8 AM
19°
Overcast
9 AM
20°
Overcast
10 AM
21°
Overcast
11 AM
22°
Overcast
12 PM
22°
Overcast
1 PM
22°
Overcast
2 PM
23°
Light drizzle
3 PM
25°
Patchy rain nearby
4 PM
26°
Sunny
5 PM
24°
Sunny
6 PM
23°
Thundery outbreaks in nearby
7 PM
22°
Thundery outbreaks in nearby
8 PM
21°
Thundery outbreaks in nearby
9 PM
21°
Overcast
10 PM
21°
Overcast
11 PM
20°
Overcast
3-Day Forecast
Daily overview for Hennepin, Illinois
Today
Patchy rain nearby
27°
/
16°
🌧️ 87% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 1.15 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
24°
/
19°
🌧️ 83% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 41.8 km/h
🌧️ Total precip: 0.31 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
23°
/
18°
🌧️ 88% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 34.9 km/h
🌧️ Total precip: 52.98 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Hennepin
Plan your trip to Hennepin, 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.
Frequently Asked Questions
What is the current weather in Hennepin?
Current conditions in Hennepin: Overcast, temperature 18°C, humidity 92%.
What is the best time to visit Hennepin?
The best time to visit Hennepin is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hennepin?
Hennepin is located at approximately 41.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hennepin?
The wettest period in Hennepin is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hennepin?
For visits to Hennepin during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Hennepin in?
Hennepin is located in United States, in the state of Illinois.
What are the public holidays in Hennepin in 2026?
View the 2026 public holidays for Hennepin on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hennepin?
The weather forecast for Hennepin uses coordinates 41.2542, -89.3423.