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Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Mostly Cloudy

50°F

10°C

Humidity 35%
Wind Speed NW 10 G 21 mph
Barometer 29.83 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 5 May 12:55 pm CDT
Extended Forecast for

Calmar IA

Frost Advisory May 6, 02:00am until May 6, 08:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 55. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind 6 to 11 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 53. Northwest wind 6 to 13 mph.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 61. West wind 5 to 13 mph.

    High: 61 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Southwest wind around 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 6 to 9 mph becoming west in the afternoon.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Northwest wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. West wind 7 to 11 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 55. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 33. North wind 6 to 11 mph.
Wednesday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 53. Northwest wind 6 to 13 mph.
Wednesday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light and variable.
Thursday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 61. West wind 5 to 13 mph.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind around 6 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 6 to 9 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 43. Northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 71. West wind 7 to 11 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44. Northwest wind 7 to 9 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 63. North wind 9 to 13 mph.
Sunday Night
Mostly clear, with a low around 40. Northwest wind 6 to 11 mph.
Monday
Mostly sunny, with a high near 65. West wind 6 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
1:11 pm CDT May 5, 2026
Forecast Valid:
1pm CDT May 5, 2026-6pm CDT May 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation