Live Weather & Forecast

Weather in Mount Carroll

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

Flag of United States
Overcast
18°C
Feels like 18°C
64°F / Feels 64°F
Overcast
Mount Carroll, Illinois
🌙 Nighttime
Updated: 2026-04-13 04:15
💧
Humidity
92%
💨
Wind
20.2 km/h SW
🌬️
Wind Gust
32 km/h
🌡️
Pressure
1010 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
15.6°C
🌐
Wind Degree
216°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
156.9 μg/m³
NO₂
3.9 μg/m³
O₃
64 μg/m³
SO₂
1.5 μg/m³
PM 2.5
5.7 μg/m³
PM 10
6.2 μg/m³

Weather Alerts 2

Met · Severe · Immediate
Flood Warning issued April 12 at 10:26AM CDT until April 16 at 3:00AM CDT by NWS Quad Cities IA IL

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Cedar River near Conesville affecting Louisa and Muscatine Counties. Iowa River at Oakville affecting Louisa County. Iowa River at Wapello affecting Louisa County. Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Moderate flooding is oc...

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 by Monday morning at 700 AM CDT.

Effective: 2026-04-12T10:26:00-05:00  ·  Expires: 2026-04-13T10:30:00-05:00
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...

Effective: 2026-04-12T19:51:00-05:00  ·  Expires: 2026-04-13T20:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Mount Carroll, Illinois

12 AM
Overcast
16°
Overcast
💧 95% 💨 22.7 km/h
1 AM
Overcast
16°
Overcast
💧 95% 💨 19.8 km/h
2 AM
Overcast
16°
Overcast
💧 95% 💨 19.8 km/h
3 AM
Overcast
16°
Overcast
💧 94% 💨 19.4 km/h
4 AM
Overcast
18°
Overcast
💧 92% 💨 20.2 km/h
5 AM
Overcast
17°
Overcast
💧 94% 💨 19.8 km/h
6 AM
Overcast
17°
Overcast
💧 94% 💨 16.9 km/h
7 AM
Overcast
17°
Overcast
💧 94% 💨 15.1 km/h
8 AM
Overcast
17°
Overcast
💧 94% 💨 11.5 km/h
9 AM
Overcast
18°
Overcast
💧 95% 💨 17.3 km/h
10 AM
Overcast
19°
Overcast
💧 94% 💨 20.2 km/h
11 AM
Overcast
20°
Overcast
💧 93% 💨 20.5 km/h
12 PM
Overcast
20°
Overcast
💧 93% 💨 24.5 km/h
1 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 94% 💨 23.8 km/h 🌧️ 100%
2 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 92% 💨 25.6 km/h 🌧️ 75%
3 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 90% 💨 27.4 km/h 🌧️ 80%
4 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 88% 💨 26.3 km/h 🌧️ 100%
5 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 85% 💨 30.2 km/h 🌧️ 80%
6 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 90% 💨 30.2 km/h
7 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 94% 💨 29.5 km/h
8 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 93% 💨 29.2 km/h
9 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 95% 💨 30.2 km/h
10 PM
Overcast
20°
Overcast
💧 97% 💨 32 km/h
11 PM
Overcast
20°
Overcast
💧 98% 💨 31 km/h

3-Day Forecast

Daily overview for Mount Carroll, Illinois

Today
Patchy rain nearby
Patchy rain nearby
23° / 15°
🌧️ 89% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 32 km/h
🌧️ Total precip: 0.26 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
26° / 20°
🌧️ 89% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 32 km/h
🌧️ Total precip: 1 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
Heavy rain
25° / 14°
🌧️ 89% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 32 km/h
🌧️ Total precip: 63.18 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Mount Carroll

Plan your trip to Mount Carroll, 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 Mount Carroll 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Mount Carroll?
Current conditions in Mount Carroll: Overcast, temperature 18°C, humidity 92%.
What is the best time to visit Mount Carroll?
The best time to visit Mount Carroll is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Mount Carroll?
Mount Carroll is located at approximately 42.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Mount Carroll?
The wettest period in Mount Carroll is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Mount Carroll?
For visits to Mount Carroll during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Mount Carroll in?
Mount Carroll is located in United States, in the state of Illinois.
What are the public holidays in Mount Carroll in 2026?
View the 2026 public holidays for Mount Carroll on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mount Carroll?
The weather forecast for Mount Carroll uses coordinates 42.0949, -89.9777.