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

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

88°F

31°C

Humidity 52%
Wind Speed NE 10 mph
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 12 Jul 3:55 pm CDT
Extended Forecast for

Countyline OK

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. East northeast wind around 7 mph.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly clear, with a low around 71. East wind 5 to 7 mph becoming calm  in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am.  Mostly sunny, with a high near 91. Calm wind becoming east 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 70. East wind around 6 mph becoming calm  in the evening.

    Low: 70 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 90. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

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

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. East northeast wind around 7 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 71. East wind 5 to 7 mph becoming calm in the evening.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. East wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming east 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Countyline OK
 34.44°N 97.55°W
1:27 pm CDT Jul 12, 2026
4pm CDT Jul 12, 2026-6pm CDT Jul 19, 2026
 
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Additional Resources

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