Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Mostly Cloudy

81°F

27°C

Humidity	78%
Wind Speed	S 3 mph
Barometer	30.05 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	13 Jul 9:55 am CDT

More Information:

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

Extended Forecast for

Herald IL

Today
High: 87 °F
Slight Chance
T-storms then
T-storms
Likely
Tonight
Low: 71 °F
T-storms
Likely then
Chance
Showers and
Patchy Fog
Monday
High: 88 °F
Slight Chance
T-storms and
Patchy Fog
then Chance
T-storms
Monday Night
Low: 72 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 92 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms
Thursday
High: 92 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 87. Light south southwest wind increasing to 5 to 9 mph in the afternoon. Chance of precipitation is 70%.

Tonight

Showers and thunderstorms likely, mainly before 7pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%.

Monday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Light west wind.

Monday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Light south wind.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph.

Wednesday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 74. Southwest wind around 6 mph.

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 5 to 7 mph.

Thursday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. West wind around 5 mph becoming light and variable after midnight.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Northeast wind around 6 mph becoming west southwest in the afternoon.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.