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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Vinton, Vinton Veterans Memorial Airpark Airport (KVTI)

Lat: 42.22°NLon: 92.03°WElev: 846ft.

Fair

64°F

18°C

Humidity 97%
Wind Speed E 6 mph
Barometer 30.17 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 30 Aug 11:35 pm CDT
Extended Forecast for

Keystone IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. East wind 5 to 10 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. East wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 76. Southeast wind around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. East wind around 5 mph.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. East wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 57. East wind around 5 mph.
Labor Day
Mostly sunny, with a high near 76. Southeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 55.
Wednesday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Keystone IA
 42°N 92.19°W (Elev. 945 ft)
Last Update:
11:00 pm CDT Aug 30, 2025
Forecast Valid:
11pm CDT Aug 30, 2025-6pm CDT Sep 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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