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

59°F

15°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 30.04 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Aug 2:35 am CDT
Extended Forecast for

West Union IA

  • Overnight

    Overnight: Clear, with a low around 59. Light northwest wind.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Northwest wind 5 to 7 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Light west wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. Breezy, with a south wind around 16 mph, with gusts as high as 26 mph.

    Low: 68 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Breezy, with a south wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 59. Light northwest wind.
Thursday
Sunny, with a high near 79. Northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 55. Light west wind.
Friday
Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 63. Calm wind becoming south 5 to 9 mph in the evening.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. Breezy, with a south wind around 16 mph, with gusts as high as 26 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Breezy, with a south wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Southwest wind 8 to 11 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 5 to 7 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 83. Southwest wind around 5 mph becoming east in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. South wind around 6 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:
2:45 am CDT Aug 27, 2026
Forecast Valid:
2am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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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