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

Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Mostly Cloudy

82°F

28°C

Humidity 89%
Wind Speed S 12 mph
Barometer 29.80 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 29 Jun 8:55 pm CDT
Extended Forecast for

West Union IA

Extreme Heat Warning June 29, 09:15pm until July 1, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 09:15pm until July 1, 07:00pm

    NOW until 7:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Partly Cloudy
    and Breezy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Heat index values as high as 105. Breezy, with a south wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 91 °F

    Breezy.
    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Breezy, with a south wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 89 °F

    Slight Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Breezy, with a south wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 11 to 14 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. South wind 8 to 10 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind 10 to 13 mph.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 75. Breezy, with a south wind 14 to 17 mph, with gusts as high as 28 mph.
Tuesday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Heat index values as high as 105. Breezy, with a south wind 13 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Breezy, with a south wind 11 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Breezy, with a south wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 11 to 14 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. South wind 8 to 10 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind 10 to 13 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Southwest wind 7 to 9 mph becoming southeast after midnight.
Independence Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind 7 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 7 to 9 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Northwest wind 8 to 10 mph.
Sunday Night
Partly cloudy, with a low around 64. Northwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 81. Northwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
West Union IA
 42.95°N 91.8°W
Last Update:
8:06 pm CDT Jun 29, 2026
Forecast Valid:
9pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
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Additional Resources

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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