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

Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

A Few Clouds

72°F

22°C

Humidity 69%
Wind Speed SE 10 mph
Barometer 29.80 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 Jun 9:55 pm CDT
Extended Forecast for

Mapleton IA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 65. West southwest wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 61. East northeast wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. North northeast wind 6 to 9 mph, with gusts as high as 17 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 66. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 93. South wind 10 to 17 mph, with gusts as high as 31 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind 14 to 16 mph, with gusts as high as 31 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 65. West southwest wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 61. East northeast wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. North northeast wind 6 to 9 mph, with gusts as high as 17 mph. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 66. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 93. South wind 10 to 17 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 73. South wind 14 to 16 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 96. South wind 13 to 16 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 74. South wind 14 to 16 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 94. Breezy, with a south wind 16 to 20 mph, with gusts as high as 36 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 70. South wind 11 to 14 mph, with gusts as high as 28 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind 10 to 13 mph, with gusts as high as 24 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mapleton IA
 42.18°N 95.79°W (Elev. 1135 ft)
Last Update:
10:05 pm CDT Jun 16, 2025
Forecast Valid:
10pm CDT Jun 16, 2025-6pm CDT Jun 23, 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