Tropical Storm Watches for the Northern Mariana Islands; Severe Thunderstorms in the Northern Plains

Tropical Storm Watches have been issued for Agrihan, Pagan and Alamagan in the Northern Mariana Islands, as Tropical Depression 16W moves towards the islands and strengthens. Heavy rain and gusty winds are expected through Saturday. Severe thunderstorms and heavy rain are expected across the Northern Plains this afternoon into tonight. A few tornadoes, large hail, and severe winds are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

87°F

31°C

Humidity	57%
Wind Speed	SE 10 mph
Barometer	30.14 in (1019.3 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	7 Aug 11:51 am CDT

More Information:

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

Extended Forecast for

Winthrop Harbor IL

This Afternoon
High: 83 °F
Slight Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms
Friday
High: 87 °F
Slight Chance
T-storms
Friday Night
Low: 75 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 75 °F
Chance
T-storms
Sunday
High: 85 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 71 °F
Chance
T-storms
Monday
High: 82 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southeast wind around 10 mph, with gusts as high as 15 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph becoming south southwest after midnight.

Friday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 96. South wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night

Mostly clear, with a low around 75. South wind around 10 mph, with gusts as high as 15 mph.

Saturday

Sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75.

Sunday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Monday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82.