Local Forecast

Marengo, IL Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Current Observation

Monday 3:50 AM CDTMonday 3:50 AM

°F °C
Regional Observations →
62°F

Mostly Cloudy

  • 82° / 69° High / Low
  • 62° Feels Like
  • 0% Chance of Rain

Wind

5 mph

E

UV Index

0

None

Humidity

94%

Dew 60°F

Sun

5:17 AM · 8:28 PM

Rise · Set

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

5-Day Outlook

Through Friday

Local Radar →

Today

82° 69°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Today

A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 80. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Night

Showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

86° 73°

Overcast

Overnight: Chance of Thunderstorms

Detailed forecast

Tuesday

A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 86. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 30%.

Wednesday

91° 71°

Partly Sunny

Overnight: Thunderstorms Likely

Detailed forecast

Wednesday

A chance of showers and thunderstorms before 7am. Sunny, with a high near 90. Chance of precipitation is 30%.

Night

Showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Thursday

89° 62°

Scattered Thunderstorms Likely

Overnight: Chance of Showers

Detailed forecast

Thursday

Showers and thunderstorms likely. Partly sunny, with a high near 88.

Night

Showers and thunderstorms likely. Partly cloudy, with a low around 60.

Friday

86° 64°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Friday

A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 85.

Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 62.

Marengo, IL Weather Analysis Tools