Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

79°F

26°C

Humidity 54%
Wind Speed N 8 mph
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Aug 6:15 pm CDT
Extended Forecast for

3 Miles WNW Charter Oak IA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind becoming south around 6 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 60. Southwest wind around 6 mph becoming light and variable  after midnight.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Partly sunny, with a high near 78. South southeast wind 5 to 8 mph.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Southeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming south around 6 mph in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60. Southwest wind around 6 mph becoming light and variable after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 78. South southeast wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 63. Southeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Partly sunny, with a high near 80.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Charter Oak IA
 42.09°N 95.65°W
6:06 pm CDT Aug 22, 2026
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 2026
 
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Additional Resources

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