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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

Chickasha, Chickasha Municipal Airport (KCHK)

Lat: 35.1°NLon: 97.97°WElev: 1152ft.

Fair

74°F

23°C

Humidity 92%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 3:35 am CDT
Extended Forecast for

Chickasha OK

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Southeast wind around 6 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 104. South wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 73. South southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Light and variable wind.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

    High: 94 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Southeast wind around 6 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 104. South wind 6 to 9 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 73. South southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 10%.
Tuesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 67.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chickasha OK
 35.04°N 97.95°W
Last Update:
12:45 am CDT Aug 18, 2025
Forecast Valid:
3am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation