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Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Vinton, Vinton Veterans Memorial Airpark Airport (KVTI)

Lat: 42.22°NLon: 92.03°WElev: 846ft.

Fair

82°F

28°C

Humidity 84%
Wind Speed S 3 mph
Barometer 29.89 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 31 Aug 8:15 pm CDT
Extended Forecast for

Garrison IA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. Southwest wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 93. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 71.
Saturday
Partly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garrison IA
 42.13°N 92.15°W (Elev. 909 ft)
Last Update:
8:21 pm CDT Aug 31, 2026
Forecast Valid:
8pm CDT Aug 31, 2026-6pm CDT Sep 7, 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