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

Critical Fire Weather Conditions and Severe Thunderstorms Today

Scattered severe thunderstorms are possible across portions of the northern High Plains this afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin today and the southern High Plains on Thursday. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

77°F

25°C

Humidity 22%
Wind Speed NW 8 G 15 mph
Barometer 30.10 in
Dewpoint 36°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 13 May 3:55 pm CDT
Extended Forecast for

Arion IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. North northwest wind around 5 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind becoming south southeast 5 to 8 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 80. Windy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 80 °F

    Increasing
    Clouds and
    Windy

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 54. Breezy, with a south wind 11 to 16 mph becoming light southeast after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Windy. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely and
    Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 78. North northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 52. Calm wind becoming south southeast 5 to 8 mph after midnight.
Thursday
Increasing clouds, with a high near 80. Windy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 54. Breezy, with a south wind 11 to 16 mph becoming light southeast after midnight. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Windy. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Windy. Chance of precipitation is 50%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arion IA
 41.94°N 95.47°W
Last Update:
1:37 pm CDT May 13, 2026
Forecast Valid:
4pm CDT May 13, 2026-6pm CDT May 19, 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