Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

79°F

26°C

Humidity 94%
Wind Speed Vrbl 3 mph
Barometer 29.90 in
Dewpoint 77°F (25°C)
Visibility NA
Heat Index83°F (28°C)
Last update 8 Jun 11:15 am CDT
Extended Forecast for

3 Miles SW Denison IA

  • Today

    Today: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 105. Breezy, with a light south southeast wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 26 mph.

    High: 93 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 76. Breezy, with a south wind around 18 mph, with gusts as high as 30 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92. Windy, with a south wind 17 to 22 mph, with gusts as high as 34 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 65. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm.  Sunny, with a high near 84. Breezy.

    High: 84 °F

    Slight Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers after 1pm.  Sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 88. Calm wind.
Tonight
Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 93. Heat index values as high as 105. Breezy, with a light south southeast wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 26 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Breezy, with a south wind around 18 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Windy, with a south wind 17 to 22 mph, with gusts as high as 34 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 65. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 84. Breezy.
Thursday Night
Mostly clear, with a low around 58.
Friday
A 30 percent chance of showers after 1pm. Sunny, with a high near 86.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Denison IA
 41.98°N 95.38°W
8:27 am CDT Jun 8, 2026
11am CDT Jun 8, 2026-6pm CDT Jun 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database