Live Weather & Forecast

Weather in Savanna

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

Flag of United States
Moderate rain
19°C
Feels like 19°C
67°F / Feels 67°F
Moderate rain
Savanna, Illinois
🌞 Daytime
Updated: 2026-04-12 19:15
💧
Humidity
70%
💨
Wind
22.3 km/h SSW
🌬️
Wind Gust
33 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
11 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0.96 mm
☁️
Cloud Cover
100%
💦
Dew Point
17.6°C
🌐
Wind Degree
199°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
144.9 μg/m³
NO₂
3 μg/m³
O₃
79 μg/m³
SO₂
1.3 μg/m³
PM 2.5
2.9 μg/m³
PM 10
3 μg/m³

Weather Alerts 3

Met · Moderate · Expected
Special Weather Statement issued April 12 at 1:25PM CDT by NWS Quad Cities IA IL

Strong south-southwesterly winds will continue this afternoon through the early evening hours, with occasional gusts as high as 45 mph. There are also some developing showers and a few isolated thunderstorms this afternoon that could help generate stronger wind gusts up to 50 mph. If traveling on east-to-west oriented roads, be prepared for gusty crosswinds, especially in high profile vehicles. S...

Met · Severe · Immediate
Flood Warning issued April 11 at 9:04PM 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. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Thursday morning. * IMPACTS...At 12.0 feet, Overbank flooding occurs. Water affects residences along the river be...

Caution is urged when walking near riverbanks. 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 Sunday evening at 915 P...

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.

Today's Hourly Forecast

24-hour breakdown for Savanna, Illinois

12 AM
Clear
Clear
💧 70% 💨 20.9 km/h
1 AM
Clear
10°
Clear
💧 76% 💨 22 km/h
2 AM
Clear
10°
Clear
💧 83% 💨 22.3 km/h
3 AM
Clear
10°
Clear
💧 89% 💨 19.4 km/h
4 AM
Clear
11°
Clear
💧 90% 💨 19.1 km/h
5 AM
Clear
12°
Clear
💧 91% 💨 22 km/h
6 AM
Clear
13°
Clear
💧 90% 💨 24.5 km/h
7 AM
Sunny
14°
Sunny
💧 88% 💨 26.3 km/h
8 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 86% 💨 27 km/h 🌧️ 100%
9 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 84% 💨 27 km/h 🌧️ 88%
10 AM
Sunny
19°
Sunny
💧 82% 💨 32 km/h
11 AM
Sunny
21°
Sunny
💧 80% 💨 32 km/h
12 PM
Sunny
23°
Sunny
💧 79% 💨 35.3 km/h
1 PM
Sunny
26°
Sunny
💧 60% 💨 34.6 km/h
2 PM
Sunny
25°
Sunny
💧 53% 💨 32.4 km/h
3 PM
Sunny
24°
Sunny
💧 57% 💨 28.1 km/h
4 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 64% 💨 26.6 km/h 🌧️ 61%
5 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 81% 💨 28.4 km/h 🌧️ 100%
6 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 82% 💨 25.6 km/h 🌧️ 100%
7 PM
Moderate rain
19°
Moderate rain
💧 70% 💨 22.3 km/h 🌧️ 100%
8 PM
Moderate rain
18°
Moderate rain
💧 91% 💨 21.6 km/h 🌧️ 100%
9 PM
Patchy light rain
17°
Patchy light rain
💧 92% 💨 26.6 km/h 🌧️ 100%
10 PM
Light rain
17°
Light rain
💧 92% 💨 24.5 km/h 🌧️ 100%
11 PM
Light rain
17°
Light rain
💧 92% 💨 25.2 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Savanna, Illinois

Today
Moderate rain
Moderate rain
28° /
🌧️ 88% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 16.26 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
Thundery outbreaks in nearby
22° / 16°
🌧️ 0% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 0.05 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:40 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
26° / 20°
🌧️ 83% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 4.57 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Savanna

Plan your trip to Savanna, 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 Savanna 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Savanna?
Current conditions in Savanna: Moderate rain, temperature 19°C, humidity 70%.
What is the best time to visit Savanna?
The best time to visit Savanna is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Savanna?
Savanna is located at approximately 42.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Savanna?
The wettest period in Savanna is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Savanna?
For visits to Savanna during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Savanna in?
Savanna is located in United States, in the state of Illinois.
What are the public holidays in Savanna in 2026?
View the 2026 public holidays for Savanna on our Holidays page.
What are the GPS coordinates used for the weather forecast in Savanna?
The weather forecast for Savanna uses coordinates 42.0945, -90.1568.