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Summary of June 21, 2026 Tornadoes

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Overcast

75°F

24°C

Humidity	100%
Wind Speed	Calm
Barometer	29.90 in
Dewpoint	75°F (24°C)
Visibility	7.00 mi
Last update	28 Jun 2:15 am CDT

More Information:

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

Extended Forecast for

5 Miles E Cave In Rock IL

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm

Flood Watch June 28, 02:23am until June 28, 07:00am

Heat Advisory June 28, 12:00pm until June 28, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Flood Watch

Heat Advisory

Flood Watch June 28, 02:23am until June 28, 07:00am
NOW until 7:00am Sun
Flood Watch
Overnight
Low: 71 °F
Heavy Rain
Sunday
High: 90 °F
Chance
Showers then
Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 74 °F
Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 74 °F
Clear
Wednesday
High: 94 °F
Sunny

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Light southwest wind.

Sunday

A 30 percent chance of showers, mainly before 7am. Partly sunny, then gradually becoming sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the morning.

Sunday Night

Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.

Monday

Sunny, with a high near 92. Heat index values as high as 106. South southwest wind around 6 mph.

Monday Night

Clear, with a low around 74. Light south southwest wind.

Tuesday

Sunny, with a high near 94. Calm wind becoming south southwest around 5 mph in the afternoon.

Tuesday Night

Clear, with a low around 74. Calm wind.

Wednesday

Sunny, with a high near 94. Calm wind.