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

Hazardous Weather Conditions

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair

48°F

9°C

Humidity 62%
Wind Speed E 7 mph
Barometer 30.34 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 May 8:35 am CDT
Extended Forecast for

Arthur IA

  • Today

    Today: Increasing clouds, with a high near 61. Light east wind becoming east northeast 5 to 10 mph in the morning.

    High: 61 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of sprinkles after 5am. Mostly cloudy, with a low around 43. East southeast wind around 5 mph.

    Low: 43 °F

    Chance
    Sprinkles

  • Thursday

    Thursday: A chance of sprinkles before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 61. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Chance
    Sprinkles

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Increasing clouds, with a low around 45. East wind around 10 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Cloudy, with a high near 60. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 61. Light east wind becoming east northeast 5 to 10 mph in the morning.
Tonight
A chance of sprinkles after 5am. Mostly cloudy, with a low around 43. East southeast wind around 5 mph.
Thursday
A chance of sprinkles before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 61. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers after 1am. Increasing clouds, with a low around 45. East wind around 10 mph.
Friday
Showers likely, mainly before 1pm. Cloudy, with a high near 60. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
Mostly cloudy, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arthur IA
 42.33°N 95.35°W (Elev. 1348 ft)
Last Update:
8:58 am CDT May 20, 2026
Forecast Valid:
9am CDT May 20, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation