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

Heavy Rainfall and Flooding in the Southwest and Four Corners; Unsettled Weather in Florida

Heavy to excessive rainfall will continue today across portions of the Southwest and Four Corners Region, leading to flash, urban and small stream flooding. Significant river flooding is expected through Monday. Heavy rainfall is expected across southern and eastern Florida through Monday, with isolated flash flooding possible. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

59°F

15°C

Humidity 100%
Wind Speed SE 10 mph
Barometer 30.03 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 1 Nov 9:35 pm CST
Extended Forecast for

Denison IA

  • Tonight

    Tonight: A slight chance of drizzle before 10pm, then showers likely, mainly after 5am. Cloudy, with a low around 58. South southeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm. High near 68. Windy, with a south wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers and
    Windy then
    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 54. South wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 59. South wind 5 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. West northwest wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of drizzle before 10pm, then showers likely, mainly after 5am. Cloudy, with a low around 58. South southeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and thunderstorms, mainly before 3pm. High near 68. Windy, with a south wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 54. South wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers. High near 59. South wind 5 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. West northwest wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
7:27 pm CST Nov 1, 2026
Forecast Valid:
9pm CST Nov 1, 2026-6pm CST Nov 8, 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