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

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

93°F

34°C

Humidity 67%
Wind Speed NE 8 mph
Barometer 29.80 in
Dewpoint 81°F (27°C)
Visibility NA
Heat Index113°F (45°C)
Last update 27 Jul 12:15 pm CDT
Extended Forecast for

Vail IA

Heat Advisory July 27, 12:50pm until July 27, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 27, 12:50pm until July 27, 10:00pm

    NOW until 10:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 71. East northeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke before 8am, then patchy smoke after 1pm. Mostly sunny, with a high near 88. East northeast wind 3 to 5 mph.

    High: 88 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Patchy smoke. Partly cloudy, with a low around 67. East southeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind becoming south southeast around 6 mph in the morning.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Heavy Rain

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 107. Northeast wind 6 to 8 mph.
Tonight
Patchy smoke. Partly cloudy, with a low around 71. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Patchy smoke before 8am, then patchy smoke after 1pm. Mostly sunny, with a high near 88. East northeast wind 3 to 5 mph.
Tuesday Night
Patchy smoke. Partly cloudy, with a low around 67. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90. Calm wind becoming south southeast around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88.
Thursday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vail IA
 42.07°N 95.21°W
Last Update:
12:21 pm CDT Jul 27, 2026
Forecast Valid:
12pm CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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