Severe Thunderstorm and Critical Fire Weather Threats in the Central U.S. Tuesday

There is an Enhanced Risk (Level 3 of 5) for severe thunderstorms Tuesday with threats for significant severe hail and tornado potential over southern Iowa into northern Missouri and west-central Illinois. Elevated to critical fire weather is possible Tuesday due to gusty winds and dry conditions over parts of the southern High Plains and northeastern Montana. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

22°C

72°F

Humidity 86%
Wind Speed SE 24 km/h
Barometer 29.78 in
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 15 Apr 11:15 pm CDT
Extended Forecast for

Grayson County Airport TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms. Some of the storms could be severe.  Mostly cloudy, with a low around 19. South wind around 30 km/h, with gusts as high as 50 km/h.

    Severe
    Thunderstorms

    Low: 19 °C

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 29. Southwest wind 25 to 30 km/h, with gusts as high as 45 km/h.

    Decreasing
    Clouds

    High: 29 °C

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 17. South wind 10 to 15 km/h.

    Mostly Cloudy

    Low: 17 °C

  • Wednesday

    Wednesday: Partly sunny, with a high near 29. North northeast wind 10 to 15 km/h becoming south southeast in the afternoon.

    Partly Sunny

    High: 29 °C

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 19. South southeast wind 10 to 15 km/h.

    Mostly Cloudy

    Low: 19 °C

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 31. South wind 20 to 25 km/h, with gusts as high as 40 km/h.

    Mostly Sunny
    then Chance
    T-storms

    High: 31 °C

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 14. South wind around 25 km/h becoming north after midnight. Winds could gust as high as 40 km/h.

    Chance
    T-storms

    Low: 14 °C

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 21. North northeast wind 20 to 25 km/h, with gusts as high as 35 km/h.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 21 °C

  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 14. Northeast wind around 15 km/h.

    Chance
    Showers then
    Chance
    T-storms

    Low: 14 °C

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 19. South wind around 30 km/h, with gusts as high as 50 km/h.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 29. Southwest wind 25 to 30 km/h, with gusts as high as 45 km/h.
Tuesday Night
Mostly cloudy, with a low around 17. South wind 10 to 15 km/h.
Wednesday
Partly sunny, with a high near 29. North northeast wind 10 to 15 km/h becoming south southeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 19. South southeast wind 10 to 15 km/h.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. South wind 20 to 25 km/h, with gusts as high as 40 km/h.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 14. South wind around 25 km/h becoming north after midnight. Winds could gust as high as 40 km/h.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 21. North northeast wind 20 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 14. Northeast wind around 15 km/h.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 18. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 20.
Click Map For Forecast
Point Forecast:
Grayson County Airport TX
 33.71°N 96.68°W (Elev. 229 m)
8:58 pm CDT Apr 15, 2024
11pm CDT Apr 15, 2024-6pm CDT Apr 22, 2024
 
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Additional Resources

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