Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

67°F

19°C

Humidity 32%
Wind Speed S 14 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 18 Oct 3:53 pm CDT
Extended Forecast for

Le Grand IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. South wind around 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 42. South wind 3 to 8 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. South wind 3 to 6 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light southeast wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. South wind around 13 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 42. South wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 68. South wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 44. Light southeast wind.
Tuesday
Sunny, with a high near 69. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Le Grand IA
 42.01°N 92.77°W
2:36 pm CDT Oct 18, 2026
4pm CDT Oct 18, 2026-6pm CDT Oct 24, 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