National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick, Frederick Municipal Airport (KFDR)

Lat: 34.34°NLon: 98.98°WElev: 1253ft.

Fair

78°F

26°C

Humidity 71%
Wind Speed S 16 mph
Barometer 29.67 in (1002.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Jun 1:53 am CDT
Extended Forecast for

Grandfield OK

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

  • Overnight

    Overnight: Mostly clear, with a low around 73. South wind around 16 mph, with gusts as high as 24 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 15 to 24 mph, with gusts as high as 37 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South southeast wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Southeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Northeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Heavy Rain

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 89.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 73. South wind around 16 mph, with gusts as high as 24 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 15 to 24 mph, with gusts as high as 37 mph.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind 15 to 21 mph, with gusts as high as 31 mph.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Southeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Northeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Juneteenth
A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 89.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grandfield OK
 34.24°N 98.69°W
Last Update:
1:27 am CDT Jun 17, 2026
Forecast Valid:
2am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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