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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

88°F

31°C

Humidity 40%
Wind Speed SE 18 G 28 mph
Barometer 29.90 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 11 Oct 5:45 pm CDT
Extended Forecast for

Newcastle OK

  • Tonight

    Tonight: Clear, with a low around 70. South wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 70 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. South southwest wind 18 to 20 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Cloudy through mid morning, then becoming mostly sunny, with a high near 91. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 90%.

    High: 86 °F

    Showers then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 70. South wind 16 to 21 mph, with gusts as high as 31 mph.
Columbus Day
Sunny, with a high near 90. South southwest wind 18 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 73. South wind 14 to 17 mph, with gusts as high as 26 mph.
Tuesday
Cloudy through mid morning, then becoming mostly sunny, with a high near 91. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 13 to 16 mph, with gusts as high as 24 mph.
Wednesday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle OK
 35.25°N 97.6°W
Last Update:
1:27 pm CDT Oct 11, 2026
Forecast Valid:
6pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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