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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

89°F

32°C

Humidity 68%
Wind Speed SE 5 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 26 Jul 11:53 am CDT
Extended Forecast for

Gladbrook IA

Extreme Heat Warning until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 106. South southwest wind around 9 mph becoming northwest in the afternoon.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Patchy smoke before 10pm. Partly cloudy, with a low around 70. North northwest wind around 8 mph.

    Low: 70 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Northeast wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 111. South southwest wind 5 to 7 mph.
Tonight
A slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 94. Heat index values as high as 106. South southwest wind around 9 mph becoming northwest in the afternoon.
Monday Night
Patchy smoke before 10pm. Partly cloudy, with a low around 70. North northwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 88. Northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gladbrook IA
 42.19°N 92.71°W
Last Update:
12:16 pm CDT Jul 26, 2026
Forecast Valid:
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 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