Porter Lake, IL 7-Day Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Porter Lake, IL 7-Day Weather Forecast

Current Conditions

Settings
Porter Lake IL weather  - Lightning Observed - 82°F
Lightning Observed
82°F
Updated 9:37 am
Feels Like 91°F
Humidity 79%
Wind VRB 5 mph
Barometer  30.07 in
Dew Point 75°F
Porter Lake IL weather  - Lightning Observed - 28°C
Lightning Observed
28°C
Updated 9:37 am
Feels Like 33°C
Humidity 79%
Wind VRB 8 km/h
Barometer  101.8 kPa
Dew Point 24°C
Weather in Porter LakePorter Lake Weather

Porter Lake Weather Forecast

Weather Porter LakePorter Lake weather forecast

Porter Lake, IL Weather Forecast Date: 637 AM CDT Fri Aug 14 2026

Weather forecast for Porter Lake, IL


Today
Porter Lake IL Weather for Today - Thunderstorms
Hi: 99°FHi: 37°C
Lo: 75°F
Lo: 24°C
Today... Sunny. Scattered showers and thunderstorms this morning. Hot with highs in the upper 90s. South winds around 5 mph. Chance of rain 30%. Heat index values up to 113 this afternoon.
Sat
Porter Lake IL Weather for Saturday - Mostly Sunny
Hi: 99°FHi: 37°C
Lo: 75°F
Lo: 24°C
Saturday... Mostly sunny. Hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 112.
Sun
Porter Lake IL Weather for Sunday - Mostly Sunny
Hi: 99°FHi: 37°C
Lo: 69°F
Lo: 21°C
Sunday... Mostly sunny. Hot with highs in the upper 90s. West winds around 5 mph. Heat index values up to 113.
Mon
Porter Lake IL Weather for Monday - Partly Cloudy
Hi: 89°FHi: 32°C
Lo: 71°F
Lo: 22°C
Monday... Partly cloudy. Highs in the upper 80s. Lows in the upper 60s.
Tue
Porter Lake IL Weather for Tuesday - Mostly Clear
Hi: 89°FHi: 32°C
Lo: 71°F
Lo: 22°C
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Wed
Porter Lake IL Weather for Wednesday - Mostly Sunny
Hi: 95°FHi: 35°C
Lo: 71°F
Lo: 22°C
Wednesday... Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105 in the afternoon.
Thu
Porter Lake IL Weather for Thursday - Chance Of T-Storm
Hi: 89°FHi: 32°C
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%.

Trending Headlines

Porter Lake Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Porter Lake Quick Facts

National Two Day Weather Forecast

E-mail the Porter Lake Weather Forecast

Voice your opinion or tell us about page issues...