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National Weather Service Forecast for: Allen TX
Issued by: National Weather Service Dallas/Fort Worth, TX
Updated: 6:06 pm CDT Jun 12, 2026

Allen
 
Tonight

Tonight: Mostly cloudy, with a low around 77. South wind 5 to 10 mph.
Low: 77 °F		 Saturday

Saturday: Mostly sunny, with a high near 94. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
High: 94 °F		 Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Low: 77 °F		 Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 89 °F		 Sunday
Night
Sunday Night: Showers and possibly a thunderstorm. Low around 67. Northeast wind around 10 mph. Chance of precipitation is 80%.
Low: 67 °F		 Monday

Monday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 80. North northeast wind around 10 mph.
High: 80 °F		 Monday
Night
Monday Night: Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.
Low: 65 °F		 Tuesday

Tuesday: Mostly sunny, with a high near 87. Northeast wind around 5 mph becoming south southeast in the afternoon.
High: 87 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.
Low: 72 °F
Mostly Cloudy

 Mostly Sunny

 Mostly Clear
then Slight
Chance
T-storms
 Showers
Likely

 Showers

 Chance
T-storms then
Chance
Showers
 Mostly Cloudy

 Mostly Sunny

 Mostly Clear

 

Tonight
 
 Mostly cloudy, with a low around 77. South wind 5 to 10 mph.
Saturday
 
 Mostly sunny, with a high near 94. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
 Showers and possibly a thunderstorm. Low around 67. Northeast wind around 10 mph. Chance of precipitation is 80%.
Monday
 
 A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 80. North northeast wind around 10 mph.
Monday Night
 
 Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.
Tuesday
 
 Mostly sunny, with a high near 87. Northeast wind around 5 mph becoming south southeast in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.
Wednesday
 
 Sunny, with a high near 95.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Thursday
 
 Mostly sunny, with a high near 98.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Juneteenth
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

 

Forecast from NOAA-NWS for Allen TX.