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

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Overcast

61°F

16°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.27 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Sep 11:55 pm CDT
Extended Forecast for

West Union IA

  • Overnight

    Overnight: A slight chance of rain before 1am, then a chance of showers, mainly between 1am and 5am. Patchy fog after 3am. Otherwise, cloudy, with a low around 58. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65. East wind 3 to 8 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Southeast wind 5 to 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 60. Southeast wind 7 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 63. Southeast wind around 5 mph becoming calm in the afternoon.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Southeast wind 3 to 7 mph.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain before 1am, then a chance of showers, mainly between 1am and 5am. Patchy fog after 3am. Otherwise, cloudy, with a low around 58. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65. East wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 54. Southeast wind 5 to 7 mph.
Saturday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 60. Southeast wind 7 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 63. Southeast wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly cloudy, with a low around 55. Calm wind.
Monday
Partly sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. Southeast wind 3 to 7 mph.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. South wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 65. West wind around 9 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. Northwest wind 6 to 8 mph becoming south after midnight.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 65. South wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Union IA
 42.95°N 91.8°W
Last Update:
11:56 pm CDT Sep 24, 2026
Forecast Valid:
12am CDT Sep 25, 2026-6pm CDT Oct 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