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.

Light Rain

68°F

20°C

Humidity 94%
Wind Speed NW 5 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 20 Jun 4:35 am CDT
Extended Forecast for

4 Miles NNE Spillville IA

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 69. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms between 10am and noon. High near 87. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph.

    Low: 75 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south wind 20 to 23 mph, with gusts as high as 38 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Breezy, with a south wind around 18 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 93. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 74 °F

    Breezy.
    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Southwest wind around 14 mph. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 64. North wind 6 to 9 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 69. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms between 10am and noon. High near 87. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Partly cloudy, with a low around 75. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south wind 20 to 23 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 76. Breezy, with a south wind around 18 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 93. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Southwest wind around 14 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 64. North wind 6 to 9 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Northeast wind around 7 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Northeast wind around 6 mph becoming east after midnight. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 80. Southeast wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 66. Southeast wind around 7 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Southwest wind 8 to 10 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Spillville IA
 43.26°N 91.91°W
Last Update:
4:28 am CDT Jun 20, 2025
Forecast Valid:
4am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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