Hartsburg, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hartsburg, IL in one place.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 84.
Local Weather Overview
This forecast page for Hartsburg, 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: Apr 9, 2026 8:24 PM CDT.
The active forecast window currently covers Apr 14 to Apr 16, 2026 for Hartsburg, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 8:24 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Hartsburg
Tuesday looks like the warmest upcoming period in Hartsburg at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 12 to 17 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 8:24 PM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Showers and thunderstorms likely. Mostly cloudy, with a high near 78.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
84°F |
12 to 17 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
62°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
78°F |
13 to 17 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
54°F |
8 to 13 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Showers And Thunderstorms
|
78°F |
8 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hartsburg.