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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Vinton, Vinton Veterans Memorial Airpark Airport (KVTI)

Lat: 42.22°NLon: 92.03°WElev: 846ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Garrison IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 63. East wind around 10 mph.

    High: 63 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 45. East wind 10 to 15 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 64. East wind around 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 63. East wind around 10 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 45. East wind 10 to 15 mph.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64. East wind around 15 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers. 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:
8:56 pm CDT May 20, 2026
Forecast Valid:
10pm CDT May 20, 2026-6pm CDT May 27, 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