Active Pattern for the Center of the Nation; Increasing Rainfall Threat for the Pacific Northwest

An active pattern remains in place across the center of the country with additional threats from severe thunderstorms and heavy rainfall. These concerns will remain in place through most of the weekend. An approaching storm across the Pacific Northwest is expected to bring heavy rainfall and strong winds late this weekend. The heat risk and fire weather concerns will increase across the Southwest. 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

66°F

19°C

Humidity	96%
Wind Speed	SW 3 mph
Barometer	29.95 in
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	2 Jun 2:55 am CDT

More Information:

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

Extended Forecast for

Harrisburg IL

Overnight
Low: 64 °F
Patchy Fog
Sunday
High: 82 °F
Patchy Fog
then Mostly
Sunny
Sunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 68 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 85 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 69 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 83 °F
Showers
Likely
Wednesday Night
Low: 63 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 64. Light west southwest wind.

Sunday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Northwest wind 3 to 5 mph.

Sunday Night

Partly cloudy, with a low around 64. Light and variable wind.

Monday

Mostly sunny, with a high near 87. Light south southeast wind becoming south 5 to 9 mph in the morning.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. South wind 5 to 7 mph.

Tuesday

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South southwest wind around 6 mph. Chance of precipitation is 70%.

Wednesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

Wednesday Night

A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. West wind around 6 mph becoming calm in the evening.

Thursday

Sunny, with a high near 86. West wind 5 to 11 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 60. Northwest wind 3 to 6 mph.

Friday

Sunny, with a high near 83. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

Friday Night

Mostly clear, with a low around 62. West wind around 6 mph becoming calm in the evening.