Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Active Weather Continues in the West; Potent Cold Front to Move Through the East this Weekend

A complex weather system will continue to bring active conditions over the Western U.S. through early Saturday, including more heavy snowfall through the Rockies. Farther east, a potent cold front will advance through the Ohio Valley Saturday, bringing rain and a few strong thunderstorms. As the front clears the east coast on Sunday, colder and gusty conditions will return. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fog/Mist

42°F

6°C

Humidity 100%
Wind Speed N 8 mph
Barometer 29.57 in (1001.9 mb)
Dewpoint 42°F (6°C)
Visibility 1.25 mi
Wind Chill37°F (3°C)
Last update 17 Nov 9:53 pm CST
Extended Forecast for

Union IA

Dense Fog Advisory until November 18, 12:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 18, 12:00am

    NOW until
    12:00am Sat

    Dense Fog Advisory

  • Tonight

    Tonight: Rain likely, mainly after 3am.  Areas of fog before 1am.  Otherwise, cloudy, with a low around 36. Breezy, with a north wind 5 to 10 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Areas Fog

    Low: 36 °F

  • Saturday

    Saturday: A chance of rain, mixing with snow after 8am, then gradually ending.  Cloudy through mid morning, then gradual clearing, with a high near 39. Windy, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Windy. Chance
    Rain/Snow
    then Sunny

    High: 39 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 22. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    Mostly Clear
    and Blustery
    then Clear

    Low: 22 °F

  • Sunday

    Sunday: Sunny, with a high near 41. Northwest wind 9 to 11 mph becoming south southwest in the afternoon.

    Sunny

    High: 41 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 29. South southwest wind 7 to 9 mph.

    Mostly Clear

    Low: 29 °F

  • Monday

    Monday: Sunny, with a high near 52. Breezy.

    Sunny then
    Sunny and
    Breezy

    High: 52 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 31.

    Partly Cloudy

    Low: 31 °F

  • Tuesday

    Tuesday: Sunny, with a high near 37. Breezy.

    Sunny then
    Sunny and
    Breezy

    High: 37 °F

Detailed Forecast

Tonight
Rain likely, mainly after 3am. Areas of fog before 1am. Otherwise, cloudy, with a low around 36. Breezy, with a north wind 5 to 10 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain, mixing with snow after 8am, then gradually ending. Cloudy through mid morning, then gradual clearing, with a high near 39. Windy, with a northwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 22. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 41. Northwest wind 9 to 11 mph becoming south southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 29. South southwest wind 7 to 9 mph.
Monday
Sunny, with a high near 52. Breezy.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Sunny, with a high near 37. Breezy.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 24.
Thanksgiving Day
Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 46.
Click Map For Forecast
Point Forecast:
Union IA
 42.23°N 93.06°W
10:19 pm CST Nov 17, 2017
10pm CST Nov 17, 2017-6pm CST Nov 24, 2017
 
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