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

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 29.70 in
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 15 Apr 3:35 am CDT
Extended Forecast for

2 Miles NNE West Union IA

  • Overnight

    Overnight: Showers and thunderstorms. Patchy fog. Low around 56. Northwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. North wind 5 to 7 mph becoming west in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 71. Southwest wind 6 to 8 mph becoming northwest in the morning.

    High: 71 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. South wind 6 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 13 to 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy, with a south wind around 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: A chance of rain showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 44. Breezy, with a northwest wind 18 to 22 mph. Chance of precipitation is 30%.

    High: 44 °F

    Breezy.
    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Blustery, with a northwest wind 13 to 23 mph.

    Low: 28 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Showers and thunderstorms. Patchy fog. Low around 56. Northwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. North wind 5 to 7 mph becoming west in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 71. Southwest wind 6 to 8 mph becoming northwest in the morning.
Thursday Night
Mostly clear, with a low around 53. South wind 6 to 10 mph.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 13 to 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy, with a south wind around 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Saturday
A chance of rain showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 44. Breezy, with a northwest wind 18 to 22 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 28. Blustery, with a northwest wind 13 to 23 mph.
Sunday
Sunny, with a high near 49. Breezy, with a northwest wind 13 to 16 mph.
Sunday Night
Mostly clear, with a low around 31. Northwest wind 7 to 9 mph becoming southeast after midnight.
Monday
Sunny, with a high near 61. Breezy, with a south wind 9 to 16 mph.
Monday Night
Partly cloudy, with a low around 46. South wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 67. Breezy, with a west wind 14 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE West Union IA
 42.98°N 91.8°W
Last Update:
3:46 am CDT Apr 15, 2026
Forecast Valid:
3am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation