Live Weather & Forecast
Weather in Anna
Illinois, United States · Real-time conditions & 3-day outlook
26°C
Feels like 26°C
78°F / Feels 79°F
Sunny
Anna, Illinois
🌞 Daytime
Updated: 2026-04-12 17:30
Humidity
42%
Wind
26.6 km/h S
Wind Gust
41.3 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
1.5
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
12.6°C
Wind Degree
191°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
146.9 μg/m³
NO₂
3.2 μg/m³
O₃
111 μg/m³
SO₂
2 μg/m³
PM 2.5
4.5 μg/m³
PM 10
4.8 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Special Weather Statement issued April 12 at 12:21AM CDT by NWS Paducah KY
Elevated conditions for wildfires are expected this afternoon, mainly between 12 PM and 7 PM CDT. Relative humidity values will fall to 25 to 35% this afternoon, and winds will be breezy from the south, sustained at 10 to 15 mph with gusts of 25 to 30 mph forecast. Vegetation is dry due to ongoing moderate to severe drought conditions over much of the region. Outdoor burning and activities that i...
Today's Hourly Forecast
24-hour breakdown for Anna, Illinois
12 AM
17°
Clear
1 AM
17°
Clear
2 AM
16°
Clear
3 AM
16°
Clear
4 AM
16°
Clear
5 AM
15°
Clear
6 AM
15°
Clear
7 AM
16°
Sunny
8 AM
18°
Sunny
9 AM
20°
Sunny
10 AM
22°
Sunny
11 AM
24°
Sunny
12 PM
26°
Sunny
1 PM
27°
Sunny
2 PM
27°
Sunny
3 PM
27°
Sunny
4 PM
27°
Sunny
5 PM
26°
Sunny
6 PM
26°
Sunny
7 PM
25°
Sunny
8 PM
23°
Clear
9 PM
23°
Patchy rain nearby
10 PM
22°
Patchy rain nearby
11 PM
21°
Patchy rain nearby
3-Day Forecast
Daily overview for Anna, Illinois
Today
Patchy rain nearby
28°
/
15°
🌧️ 69% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 0.34 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
28°
/
18°
🌧️ 87% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 2.36 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
29°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 32 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Anna
Plan your trip to Anna, 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 Anna?
Current conditions in Anna: Sunny, temperature 26°C, humidity 42%.
What is the best time to visit Anna?
The best time to visit Anna is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Anna?
Anna is located at approximately 37.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Anna?
The wettest period in Anna is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Anna?
For visits to Anna during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Anna in?
Anna is located in United States, in the state of Illinois.
What are the public holidays in Anna in 2026?
View the 2026 public holidays for Anna on our Holidays page.
What are the GPS coordinates used for the weather forecast in Anna?
The weather forecast for Anna uses coordinates 37.4603, -89.247.