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

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

57°F

14°C

Humidity 100%
Wind Speed NW 12 mph
Barometer 29.69 in
Dewpoint 57°F (14°C)
Visibility NA
Last update 18 May 4:15 am CDT
Extended Forecast for

3 Miles ESE Schleswig IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 5am. Cloudy, with a steady temperature around 60. West northwest wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 71. North northwest wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Cloudy then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south southeast wind 10 to 16 mph becoming northwest in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 46 °F

    Heavy Rain
    then Heavy
    Rain and
    Breezy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 59. Breezy, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 59 °F

    Gradual
    Clearing and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. North northwest wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Cloudy, with a steady temperature around 60. West northwest wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 71. North northwest wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south southeast wind 10 to 16 mph becoming northwest in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 59. Breezy, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 38. North northwest wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A 10 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 45.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Schleswig IA
 42.16°N 95.38°W
Last Update:
2:31 am CDT May 18, 2026
Forecast Valid:
4am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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