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.

Fair

74°F

23°C

Humidity	99%
Wind Speed	Calm
Barometer	30.01 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	6 Jul 8:55 pm CDT

More Information:

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

Extended Forecast for

2 Miles SW Marion IL

Tonight
Low: 70 °F
Partly Cloudy
then Patchy
Fog
Tuesday
High: 87 °F
Patchy Fog
then Chance
T-storms
Tuesday Night
Low: 69 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 93 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 74 °F
Slight Chance
T-storms then
Chance
T-storms
Friday
High: 91 °F
Chance
T-storms then
Showers
Likely
Friday Night
Low: 72 °F
Showers
Likely

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 70. Calm wind.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.

Tuesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. Calm wind.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Light and variable wind.

Wednesday Night

Mostly clear, with a low around 71. Calm wind.

Thursday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. South southwest wind 5 to 9 mph.

Thursday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. South southwest wind 6 to 8 mph.

Friday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Southwest wind 6 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 72. Southwest wind around 6 mph becoming calm in the evening.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 3 to 6 mph.

Saturday Night

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

Sunday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the morning.

Sunday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 71. Light north wind.

Monday

Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.