Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

75°F

24°C

Humidity 68%
Wind Speed S 7 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Sep 12:15 am CDT
Extended Forecast for

Callisburg TX

  • Overnight

    Overnight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 92. Calm wind becoming west around 5 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 89. Calm wind becoming east northeast around 5 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. South wind around 5 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 69. South southeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming west around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. Calm wind.
Friday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Saturday
Mostly sunny, with a high near 90. South wind around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. South southeast wind around 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Callisburg TX
 33.7°N 97.01°W (Elev. 837 ft)
12:24 am CDT Sep 18, 2025
12am CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database