Live Weather & Forecast
Weather in Sparta
Illinois, United States · Real-time conditions & 3-day outlook
27°C
Feels like 27°C
81°F / Feels 81°F
Sunny
Sparta, Illinois
🌞 Daytime
Updated: 2026-04-12 17:00
Humidity
44%
Wind
33.5 km/h SSW
Wind Gust
53.6 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
0.9
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
14.8°C
Wind Degree
191°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
146.9 μg/m³
NO₂
2.8 μg/m³
O₃
114 μg/m³
SO₂
1.6 μg/m³
PM 2.5
4.2 μg/m³
PM 10
4.4 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 Sparta, Illinois
12 AM
17°
Clear
1 AM
17°
Clear
2 AM
17°
Clear
3 AM
16°
Clear
4 AM
16°
Clear
5 AM
16°
Clear
6 AM
16°
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
27°
Sunny
6 PM
26°
Sunny
7 PM
24°
Sunny
8 PM
22°
Clear
9 PM
21°
Patchy rain nearby
10 PM
20°
Patchy rain nearby
11 PM
20°
Clear
3-Day Forecast
Daily overview for Sparta, Illinois
Today
Patchy rain nearby
28°
/
15°
🌧️ 82% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 34.2 km/h
🌧️ Total precip: 0.32 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
26°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
26°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Sparta
Plan your trip to Sparta, 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 Sparta?
Current conditions in Sparta: Sunny, temperature 27°C, humidity 44%.
What is the best time to visit Sparta?
The best time to visit Sparta is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sparta?
Sparta is located at approximately 38.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sparta?
The wettest period in Sparta is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sparta?
For visits to Sparta during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sparta in?
Sparta is located in United States, in the state of Illinois.
What are the public holidays in Sparta in 2026?
View the 2026 public holidays for Sparta on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sparta?
The weather forecast for Sparta uses coordinates 38.1231, -89.7018.