Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 19 Aug 1:35 am CDT
Extended Forecast for

Ricketts IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 75. East wind 3 to 5 mph.  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 and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 80 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Light east wind.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. East wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 59. Light and variable wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 64. South wind 3 to 5 mph.
Friday
Sunny, with a high near 81.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly cloudy, with a high near 75.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Ricketts IA
 42.13°N 95.59°W
1:26 am CDT Aug 19, 2026
1am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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