Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

91°F

33°C

Humidity 52%
Wind Speed S 17 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Aug 5:55 pm CDT
Extended Forecast for

5 Miles ESE Loco OK

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 75. Southeast wind 5 to 8 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. Heat index values as high as 103. South wind around 7 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 6 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 102. Light and variable wind.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Light east wind.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Chance of precipitation is 40%.

    High: 94 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly clear, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Sunny, with a high near 91. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind 5 to 8 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 103. South wind around 7 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 97. Heat index values as high as 102. Light and variable wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Light east wind.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 91. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Loco OK
 34.28°N 97.6°W
5:06 pm CDT Aug 17, 2025
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 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