Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Mostly Cloudy with Haze

N/A

Humidity NA
Wind Speed E 7 mph
Barometer 30.28 in
Dewpoint N/A
Visibility 4.00 mi
Last update 31 Jul 7:35 am CDT
Extended Forecast for

3 Miles SW Denison IA

  • Today

    Today: Patchy smoke after 11am. Mostly sunny, with a high near 75. East wind around 10 mph.

    High: 75 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 56. East wind 3 to 8 mph.

    Low: 56 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke. Mostly sunny, with a high near 74. Calm wind becoming east southeast 5 to 9 mph in the morning.

    High: 74 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. East southeast wind 3 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 75. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
Patchy smoke after 11am. Mostly sunny, with a high near 75. East wind around 10 mph.
Tonight
Patchy smoke. Partly cloudy, with a low around 56. East wind 3 to 8 mph.
Friday
Patchy smoke. Mostly sunny, with a high near 74. Calm wind becoming east southeast 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. East southeast wind 3 to 7 mph.
Saturday
Partly sunny, with a high near 75. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Denison IA
 41.98°N 95.38°W
6:34 am CDT Jul 31, 2025
8am CDT Jul 31, 2025-6pm CDT Aug 6, 2025
 
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Additional Resources

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Hourly Weather Forecast

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