Areas of Dangerous Heat and Severe Thunderstorms

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 before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

57°F

14°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 27 Aug 3:53 am CDT
Extended Forecast for

Whitten IA

  • Today

    Today: Sunny, with a high near 82. North northwest wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear during the early evening, then becoming cloudy, with a low around 65. Light south southeast wind becoming south 5 to 9 mph in the evening.

    Low: 65 °F

    Becoming
    Cloudy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 71. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. North northwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 84. Calm wind.
Friday Night
Mostly clear during the early evening, then becoming cloudy, with a low around 65. Light south southeast wind becoming south 5 to 9 mph in the evening.
Saturday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 10%.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 89.
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. Partly 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 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Whitten IA
 42.25°N 93°W
3:47 am CDT Aug 27, 2026
4am 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