Weather in Round Lake, Illinois, United States

7-Day Detailed Weather Forecast for Round Lake

Overnight

Temperature: 48°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Widespread fog. Mostly cloudy, with a low around 48. Southeast wind around 5 mph, with gusts as high as 10 mph.

Friday

Temperature: 79°F

Wind Speed: 5 to 20 mph

Wind Direction: SSE

Forecast: Widespread fog before 9am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 79. South southeast wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Temperature: 41°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely before 9pm, then showers and thunderstorms. Mostly cloudy. Low around 41, with temperatures rising to around 48 overnight. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday

Temperature: 49°F

Wind Speed: 15 to 20 mph

Wind Direction: WNW

Forecast: A slight chance of rain showers before 7am. Mostly sunny, with a high near 49. West northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Saturday Night

Temperature: 32°F

Wind Speed: 5 to 15 mph

Wind Direction: W

Forecast: Areas of frost after 3am. Mostly clear, with a low around 32. West wind 5 to 15 mph, with gusts as high as 30 mph.

Sunday

Temperature: 49°F

Wind Speed: 5 to 15 mph

Wind Direction: WNW

Forecast: Areas of frost before 8am. Mostly sunny, with a high near 49.

Sunday Night

Temperature: 31°F

Wind Speed: 0 to 10 mph

Wind Direction: N

Forecast: Widespread frost after 11pm. Mostly clear, with a low around 31.

Monday

Temperature: 54°F

Wind Speed: 0 to 10 mph

Wind Direction: ESE

Forecast: Widespread frost before 9am. Sunny, with a high near 54.

Monday Night

Temperature: 43°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 43.

Tuesday

Temperature: 71°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 71.

Tuesday Night

Temperature: 48°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 48.

Wednesday

Temperature: 70°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Sunny, with a high near 70.

Wednesday Night

Temperature: 49°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 49.

Thursday

Temperature: 75°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Mostly sunny, with a high near 75.