Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. 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.

Mostly Cloudy

79°F

26°C

Humidity	79%
Wind Speed	Calm
Barometer	30.01 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	6 Jul 9:45 am CDT

More Information:

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

Extended Forecast for

2 Miles NE Herrin IL

Today
High: 88 °F
Slight Chance
Showers then
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 88 °F
Chance
T-storms
Tuesday Night
Low: 70 °F
Slight Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 72 °F
Mostly Clear
Thursday
High: 93 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms
Friday
High: 92 °F
Showers
Likely

Detailed Forecast

Today

A slight chance of showers before 11am, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. North wind 3 to 6 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

Tuesday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind.

Wednesday Night

Mostly clear, with a low around 72. Calm wind.

Thursday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Southwest wind 5 to 11 mph.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind around 9 mph.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. West southwest wind 7 to 10 mph.

Friday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southwest wind 3 to 8 mph.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west northwest 5 to 7 mph in the morning.