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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

75°F

24°C

Humidity 83%
Wind Speed S 8 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 6:35 am CDT
Extended Forecast for

Vail IA

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 3am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 71. South southeast wind around 8 mph. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    Partly Cloudy
    then Heavy
    Rain

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming north northeast around 6 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

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

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 3am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 71. South southeast wind around 8 mph. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming north northeast around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vail IA
 42.07°N 95.21°W
Last Update:
5:05 am CDT Aug 17, 2025
Forecast Valid:
6am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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