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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Vinton, Vinton Veterans Memorial Airpark Airport (KVTI)

Lat: 42.22°NLon: 92.03°WElev: 846ft.

Overcast

71°F

22°C

Humidity 21%
Wind Speed NW 14 G 28 mph
Barometer 29.89 in
Dewpoint 29°F (-2°C)
Visibility 7.00 mi
Last update 12 May 8:15 pm CDT
Extended Forecast for

Garrison IA

  • Tonight

    Tonight: Clear, with a low around 49. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 49 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. North wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. North wind 5 to 10 mph becoming southeast after midnight.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 49. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 73. North wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Clear, with a low around 44. North wind 5 to 10 mph becoming southeast after midnight.
Thursday
Increasing clouds, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
Sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 87.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 82.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 77.
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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:
8:01 pm CDT May 12, 2026
Forecast Valid:
8pm CDT May 12, 2026-6pm CDT May 19, 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