Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Texarkana, Texarkana Regional-Webb Field (KTXK)

Lat: 33.46°NLon: 93.99°WElev: 387ft.

Overcast

78°F

26°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 12 Jul 5:53 am CDT
Extended Forecast for

Lewisville AR

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm.  Partly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 72. North wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 7am.  Partly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the morning.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 91. Heat index values as high as 102. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 72. North wind around 5 mph becoming calm. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms after 7am. Partly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisville AR
 33.37°N 93.57°W (Elev. 299 ft)
6:05 am CDT Jul 12, 2026
6am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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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