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.

Breezy

64°F

18°C

Humidity 100%
Wind Speed SW 22 G 30 mph
Barometer 29.66 in
Dewpoint 64°F (18°C)
Visibility NA
Last update 17 May 11:15 pm CDT
Extended Forecast for

5 Miles SSW Westside IA

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 59. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Severe
    Thunderstorms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 75. Northwest wind 5 to 10 mph becoming south southeast 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: 75 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 46 °F

    Heavy Rain
    then Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 25 mph.

    High: 60 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 18 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 59. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 75. Northwest wind 5 to 10 mph becoming south southeast 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 possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 39. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 18 mph.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Westside IA
 42°N 95.12°W
Last Update:
11:51 pm CDT May 17, 2026
Forecast Valid:
12am CDT May 18, 2026-6pm CDT May 24, 2026
 
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