Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

91°F

33°C

Humidity	56%
Wind Speed	N 5 mph
Barometer	29.97 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	30 Jul 5:45 pm CDT

More Information:

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

Extended Forecast for

2 Miles SSE Energy IL

Extreme Heat Warning July 30, 06:10pm until July 30, 08:00pm

Click here for hazard details and duration

...

Extreme Heat Warning July 30, 06:10pm until July 30, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Tonight
Low: 73 °F
Slight Chance
T-storms
Thursday
High: 84 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 61 °F
Partly Cloudy
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 83 °F
Sunny

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm in the evening.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 84. Light north northwest wind increasing to 6 to 11 mph in the morning.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. North northeast wind 7 to 10 mph.

Friday

Mostly sunny, with a high near 79. North northeast wind 10 to 14 mph, with gusts as high as 20 mph.

Friday Night

Partly cloudy, with a low around 61. North northeast wind 7 to 11 mph.

Saturday

Mostly sunny, with a high near 79. Northeast wind 8 to 11 mph.

Saturday Night

Mostly clear, with a low around 61. Northeast wind 5 to 9 mph becoming light in the evening.

Sunday

Sunny, with a high near 83. East northeast wind 5 to 7 mph.