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Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Partly Cloudy

79°F

26°C

Humidity 61%
Wind Speed S 15 mph
Barometer 29.88 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Jun 10:35 pm CDT
Extended Forecast for

3 Miles ESE Schleswig IA

Extreme Heat Warning June 20, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 3am. Mostly clear, with a low around 69. Breezy, with a south wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 105. Windy, with a south wind 16 to 21 mph, with gusts as high as 32 mph.

    High: 98 °F

    Hot and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Windy, with a south wind 20 to 22 mph, with gusts as high as 34 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Heat index values as high as 107. Windy, with a south southwest wind 21 to 23 mph, with gusts as high as 36 mph.

    High: 101 °F

    Hot and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Windy.

    High: 99 °F

    Hot and Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Breezy.

    Low: 73 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 1am and 3am. Mostly clear, with a low around 69. Breezy, with a south wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 105. Windy, with a south wind 16 to 21 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 76. Windy, with a south wind 20 to 22 mph, with gusts as high as 34 mph.
Saturday
Sunny and hot, with a high near 101. Heat index values as high as 107. Windy, with a south southwest wind 21 to 23 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 78. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 99. Windy.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Breezy.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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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:
10:23 pm CDT Jun 19, 2025
Forecast Valid:
10pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
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