Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

70°F

21°C

Humidity	96%
Wind Speed	Calm
Barometer	30.07 in
Dewpoint	69°F (21°C)
Visibility	5.00 mi
Last update	18 Jul 6:15 am CDT

More Information:

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

Extended Forecast for

Logan IL

Today
High: 90 °F
Chance
T-storms and
Areas Fog
Tonight
Low: 75 °F
Chance
T-storms
Saturday
High: 91 °F
T-storms
Likely
Saturday Night
Low: 77 °F
Slight Chance
T-storms
Sunday
High: 93 °F
Chance
T-storms
Sunday Night
Low: 76 °F
Chance
T-storms
Monday
High: 94 °F
Chance
T-storms
Monday Night
Low: 77 °F
Slight Chance
T-storms
Tuesday
High: 95 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 90. Light east wind.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

Saturday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.

Saturday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 6 mph.

Sunday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West southwest wind 3 to 7 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. South southwest wind 3 to 7 mph.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind 3 to 6 mph.