Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

A Few Clouds

81°F

27°C

Humidity 48%
Wind Speed N 5 G 12 mph
Barometer 30.13 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 3:15 pm CDT
Extended Forecast for

Dow City IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Light north wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 3am.  Increasing clouds, with a low around 68. South wind 9 to 11 mph, with gusts as high as 23 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 28 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Light north wind.
Tonight
Mostly clear, with a low around 59. Calm wind.
Friday
Mostly sunny, with a high near 86. Light south southeast wind becoming south 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 68. South wind 9 to 11 mph, with gusts as high as 23 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 28 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Partly sunny, with a high near 91.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Tuesday
Partly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Dow City IA
 41.94°N 95.5°W
2:01 pm CDT Aug 27, 2026
3pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

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