Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

78°F

26°C

Humidity	56%
Wind Speed	E 7 mph
Barometer	30.04 in (1016.4 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	18 Sep 4:51 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Round Lake Beach IL

Tonight
Low: 61 °F
Mostly Clear
then Patchy
Fog
Friday
High: 82 °F
Patchy Fog
then Partly
Sunny
Friday Night
Low: 63 °F
Chance
Showers then
Showers
Likely
Saturday
High: 79 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 62 °F
Chance
Showers
Sunday
High: 77 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 61 °F
Showers
Likely
Monday
High: 77 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 61 °F
Chance
Showers

Detailed Forecast

Tonight

Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. East northeast wind 5 to 10 mph.

Friday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. East wind 5 to 10 mph, with gusts as high as 15 mph.

Friday Night

A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 79. South southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southeast wind around 5 mph. Chance of precipitation is 40%.

Sunday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.

Sunday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Monday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.

Monday Night

A chance of showers. Mostly cloudy, with a low around 61.

Tuesday

A chance of showers after 1pm. Mostly cloudy, with a high near 75.

Tuesday Night

Mostly cloudy, with a low around 60.

Wednesday

Partly sunny, with a high near 73.

Wednesday Night

Mostly cloudy, with a low around 57.