Sparta, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sparta, IL in one place.
Sunny, with a high near 84. Northeast wind around 3 mph.
Local Weather Overview
This forecast page for Sparta, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 8, 2026 11:52 AM CDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for Sparta, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 11:52 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sparta
Friday looks like the warmest upcoming period in Sparta at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday Night at about 7 to 10 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 11:52 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 55. East wind around 3 mph.
Sunny, with a high near 87. Southeast wind 3 to 8 mph.
Mostly clear, with a low around 59. Southeast wind around 5 mph.
A chance of rain showers after 1pm. Partly sunny. High near 81, with temperatures falling to around 76 in the afternoon. Southeast wind 5 to 9 mph. Chance of precipitation is 40%.
Rain showers before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 80%.
Showers and thunderstorms likely before 1pm. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Mostly clear, with a low around 57.
Sunny, with a high near 87.
Mostly clear, with a low around 60.
A slight chance of rain showers after 7am. Sunny, with a high near 78. Chance of precipitation is 20%.
A slight chance of rain showers before 1am. Mostly clear, with a low around 53. Chance of precipitation is 20%.
Sunny, with a high near 74.
A slight chance of rain showers after 1am. Mostly clear, with a low around 54. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 8
|
Sunny
|
84°F |
3 mph
NE
|
|
Tonight
Oct 8
|
Clear
|
55°F |
3 mph
E
|
|
Friday
Oct 9
|
Sunny
|
87°F |
3 to 8 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
59°F |
5 mph
SE
|
|
Saturday
Oct 10
|
Partly Sunny then Chance Rain Showers
|
81°F |
5 to 9 mph
SE
|
|
Saturday Night
Oct 10
|
Rain Showers
|
57°F |
7 to 10 mph
E
|
|
Sunday
Oct 11
|
Showers And Thunderstorms Likely
|
75°F |
5 to 9 mph
N
|
|
Sunday Night
Oct 11
|
Mostly Clear
|
57°F |
2 mph
SW
|
|
Columbus Day
Oct 12
|
Sunny
|
87°F |
2 to 8 mph
SW
|
|
Monday Night
Oct 12
|
Mostly Clear
|
60°F |
8 mph
SW
|
|
Tuesday
Oct 13
|
Slight Chance Rain Showers
|
78°F |
10 mph
NW
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers
|
53°F |
7 mph
N
|
|
Wednesday
Oct 14
|
Sunny
|
74°F |
6 mph
E
|
|
Wednesday Night
Oct 14
|
Mostly Clear then Slight Chance Rain Showers
|
54°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sparta.
