Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Flood Watch until November 21, 06:00 AM CST

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Thunderstorm in Vicinity

67°F

19°C

Humidity	93%
Wind Speed	SE 5 mph
Barometer	30.03 in (1016.9 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	20 Nov 10:53 am CST

More Information:

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

Extended Forecast for

Melissa TX

Flood Watch November 20, 10:57am until November 21, 06:00am

Click here for hazard details and duration

Flood Watch

Flood Watch November 20, 10:57am until November 21, 06:00am
NOW until 6:00am Fri
Flood Watch
Today
High: 74 °F
Chance
T-storms then
T-storms
Tonight
Low: 61 °F
Showers then
Showers
Likely
Friday
High: 75 °F
Slight Chance
Showers then
Sunny
Friday Night
Low: 50 °F
Mostly Clear
Saturday
High: 69 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Partly Cloudy
then Chance
T-storms
Sunday
High: 68 °F
Chance
T-storms then
Showers
Likely
Sunday Night
Low: 57 °F
Showers

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 74. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm before midnight, then showers likely. Low around 61. South southwest wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A 20 percent chance of showers before noon. Partly sunny, then gradually becoming sunny, with a high near 75. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Mostly clear, with a low around 50. West southwest wind around 5 mph becoming north northwest after midnight.

Saturday

Mostly sunny, with a high near 69. North wind around 5 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Northeast wind around 5 mph.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

Sunday Night

Showers and possibly a thunderstorm. Low around 57. South southeast wind around 10 mph. Chance of precipitation is 80%.

Monday

Showers likely, mainly before noon. The rain could be heavy at times. Partly sunny, with a high near 68. South southeast wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Monday Night

A 20 percent chance of showers before midnight. Mostly clear, with a low around 49.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Mostly clear, with a low around 46.

Wednesday

Mostly sunny, with a high near 60.