Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Extreme Heat Warning in effect from June 18, 12:00 PM CDT until June 18, 08:00 PM CDT

Current conditions at

Georgetown, Georgetown Municipal Airport (KGTU)

Lat: 30.68°NLon: 97.68°WElev: 791ft.

Mostly Cloudy

88°F

31°C

Humidity	66%
Wind Speed	E 8 mph
Barometer	29.68 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	17 Jun 2:55 pm CDT

More Information:

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

Extended Forecast for

3 Miles ENE Round Rock TX

Extreme Heat Warning June 18, 12:00pm until June 18, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

This Afternoon
High: 91 °F
Sunny
Tonight
Low: 78 °F
Increasing
Clouds
Thursday
High: 95 °F
Decreasing
Clouds
Thursday Night
Low: 79 °F
Slight Chance
T-storms
Juneteenth
High: 91 °F
Mostly Cloudy
then Slight
Chance
T-storms
Friday Night
Low: 78 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 92 °F
Chance
T-storms
Saturday Night
Low: 77 °F
Slight Chance
T-storms
Sunday
High: 95 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 91. Heat index values as high as 101. Southeast wind around 5 mph.

Tonight

Increasing clouds, with a low around 78. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 110. South wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 79. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Juneteenth

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 78. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. South southeast wind around 10 mph, with gusts as high as 20 mph.

Sunday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95. South wind around 15 mph, with gusts as high as 30 mph.

Sunday Night

Mostly clear, with a low around 78.

Monday

Mostly sunny, with a high near 97.

Monday Night

Mostly clear, with a low around 77.

Tuesday

Mostly sunny, with a high near 96.