Local Forecast

Marengo, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Marengo, IL

No Active Alerts

Hour-by-Hour  Current Observation

Thursday 3:45 PM CDTThursday 3:45 PM

°F °C
Regional Observations →
71°F

Light Rain

  • 80° / 66° High / Low
  • 71° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

7

High

Humidity

88%

Dew 68°F

Sun

6:00 AM · 7:57 PM

Rise · Set

Source: JANESVILLE/ROCK (KJVL). Slider scrubs the next 12 hours.

5-Day Outlook

Through Monday

Local Radar →

Today

80° 66°

Chance of Thunderstorms

Overnight: Thunderstorms Likely

Detailed forecast

Today

A chance of rain showers between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Cloudy. High near 79, with temperatures falling to around 74 in the afternoon. East southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Night

A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 11pm, then a chance of showers and thunderstorms between 11pm and 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Friday

80° 68°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Friday

Rain showers likely before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Night

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. East wind 5 to 10 mph. Chance of precipitation is 70%.

Saturday

84° 71°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Saturday

Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Night

A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Sunday

82° 64°

Chance of Thunderstorms

Overnight: Partly Cloudy

Detailed forecast

Sunday

Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82.

Night

A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 63.

Monday

78° 59°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Mostly sunny, with a high near 78.

Night

Mostly clear, with a low around 58.

Marengo, IL Weather Analysis Tools