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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Last update 28 Aug 8:35 am CDT
Extended Forecast for

Dunlap IA

  • Today

    Today: Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 68. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 90. South southeast wind 15 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 74. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 92. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind around 7 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 88 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 68. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 90. South southeast wind 15 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Increasing clouds, with a low around 74. South wind around 11 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 92. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 73. South wind around 9 mph, with gusts as high as 18 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind around 7 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 91. South southwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunlap IA
 41.85°N 95.59°W (Elev. 1194 ft)
Last Update:
8:21 am CDT Aug 28, 2026
Forecast Valid:
8am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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