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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Mostly Cloudy

66°F

19°C

Humidity 83%
Wind Speed S 6 mph
Barometer 30.07 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 8:55 am CDT
Extended Forecast for

Charter Oak IA

  • Today

    Today: Mostly sunny, with a high near 83. South southwest wind around 7 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Light west wind.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light north northwest wind.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. South southwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 61. Light west wind.
Wednesday
Sunny, with a high near 80. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Light north northwest wind.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charter Oak IA
 42.07°N 95.59°W
Last Update:
5:26 am CDT Aug 25, 2026
Forecast Valid:
9am CDT Aug 25, 2026-6pm CDT Aug 31, 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