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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 >

Hazardous Weather Conditions

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

N/A

Humidity NA
Wind Speed S 14 mph
Barometer 29.99 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 Aug 9:35 am CDT
Extended Forecast for

Cleo Springs OK

Heat Advisory August 17, 01:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 98. Heat index values as high as 105. South wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 74. South southeast wind 6 to 11 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 107. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 5 to 9 mph becoming light after midnight.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm, then 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 99. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms

  • Wednesday Night

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

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 98. Heat index values as high as 105. South wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 74. South southeast wind 6 to 11 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 107. South wind 6 to 10 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 5 to 9 mph becoming light after midnight.
Tuesday
A slight chance of showers and thunderstorms before 1pm, then 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 99. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Wednesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 66.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 66.
Saturday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cleo Springs OK
 36.4°N 98.46°W
Last Update:
8:25 am CDT Aug 17, 2025
Forecast Valid:
10am CDT Aug 17, 2025-6pm CDT Aug 23, 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