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.

Fair

82°F

28°C

Humidity 48%
Wind Speed Vrbl 5 G 14 mph
Barometer 29.91 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Jun 5:55 pm CDT
Extended Forecast for

3 Miles ENE Ossian IA

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

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. South wind 6 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly before 11am. Some of the storms could produce heavy rainfall. High near 85. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Heavy Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 101. Breezy, with a south wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 92 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Breezy, with a south wind around 17 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 93. Breezy, with a south wind 16 to 20 mph, with gusts as high as 29 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 75. Breezy, with a south wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 75 °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 11 to 13 mph, with gusts as high as 21 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 66. Northwest wind 6 to 10 mph. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. South wind 6 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms, mainly before 11am. Some of the storms could produce heavy rainfall. High near 85. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Mostly clear, with a low around 75. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 92. Heat index values as high as 101. Breezy, with a south wind 18 to 21 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 75. Breezy, with a south wind around 17 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 93. Breezy, with a south wind 16 to 20 mph, with gusts as high as 29 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Breezy, with a south wind 14 to 17 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 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Northwest wind 6 to 10 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Northeast wind around 7 mph becoming west in the afternoon. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Northeast wind around 6 mph becoming east after midnight. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 81. South wind 7 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 66. South wind around 7 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, 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:
3 Miles ENE Ossian IA
 43.17°N 91.71°W
Last Update:
5:43 pm CDT Jun 19, 2025
Forecast Valid:
6pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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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