Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Rain

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 2.00 mi
Last update 15 Jun 10:50 am CDT
Extended Forecast for

Tom Bean TX

  • Today

    Today: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 87. North wind 5 to 10 mph becoming south southwest 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: 87 °F

    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming east in the evening.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 103. South wind around 5 mph.

    High: 91 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind around 10 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. South wind around 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. North wind 5 to 10 mph becoming south southwest 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.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming east in the evening. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 103. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 76. South wind around 10 mph.
Tuesday
Sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 92. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Tom Bean TX
 33.53°N 96.49°W (Elev. 755 ft)
6:32 am CDT Jun 15, 2025
11am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database