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.

Fair

64°F

18°C

Humidity 88%
Wind Speed N 8 mph
Barometer 30.04 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 9 Sep 11:55 pm CDT
Extended Forecast for

West Union IA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 55. Light northwest wind.

    Low: 55 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 76. Light northwest wind.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Calm wind becoming south around 6 mph after midnight.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. South wind 7 to 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 11 to 13 mph, with gusts as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 75. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. North wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. East wind 5 to 7 mph.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. East wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 55. Light northwest wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 76. Light northwest wind.
Thursday Night
Clear, with a low around 56. Calm wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 77. South wind 7 to 15 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 11 to 13 mph, with gusts as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 75. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 54. North wind 3 to 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. East wind 5 to 7 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. East wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 79. Breezy, with a south wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Breezy, with a southwest wind 10 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 69. Northwest wind 5 to 8 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53. Light and variable wind.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 70. Southeast wind 5 to 7 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:
9:16 pm CDT Sep 9, 2026
Forecast Valid:
12am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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