Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Vinton, Vinton Veterans Memorial Airpark Airport (KVTI)

Lat: 42.22°NLon: 92.03°WElev: 846ft.

A Few Clouds

81°F

27°C

Humidity 48%
Wind Speed NW 9 mph
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 12:35 pm CDT
Extended Forecast for

Dysart IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. North northwest wind around 8 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming west around 5 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers after 5am.  Increasing clouds, with a low around 64. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers between 7am and 1pm.  Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70. Breezy.

    Low: 70 °F

    Breezy.
    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. North northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 57. Light and variable wind.
Friday
Sunny, with a high near 83. Calm wind becoming west around 5 mph.
Friday Night
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 64. Calm wind becoming south 5 to 9 mph in the evening.
Saturday
A chance of showers between 7am and 1pm. Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Breezy.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Dysart IA
 42.18°N 92.3°W
12:16 pm CDT Aug 27, 2026
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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