Marengo, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Marengo, IL in one place.
Showers and thunderstorms likely. Mostly cloudy, with a high near 80.
Local Weather Overview
This forecast page for Marengo, 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 4:14 PM CDT.
The active forecast window currently covers Apr 14 to Apr 15, 2026 for Marengo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:14 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Marengo
Tuesday looks like the warmest upcoming period in Marengo at 80 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 20 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:14 PM CDT
- Coverage
- 2 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Mostly cloudy, with a low around 57.
Showers and thunderstorms likely. Partly sunny, with a high near 70.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
80°F |
15 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
57°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
70°F |
15 to 20 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
49°F |
10 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marengo.
