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

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Mostly Cloudy

34°F

1°C

Humidity 93%
Wind Speed SW 12 mph
Barometer 30.02 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 22 Nov 1:55 am CST
Extended Forecast for

Arthur IA

  • Overnight

    Overnight: Mostly clear, with a low around 31. South southwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Increasing clouds, with a low around 41. South wind around 5 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain. High near 53. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. South southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 56. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 30. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 57. Light south southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
A 20 percent chance of rain after midnight. Increasing clouds, with a low around 41. South wind around 5 mph.
Monday
Rain. High near 53. South wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 21.
Thanksgiving Day
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arthur IA
 42.33°N 95.35°W (Elev. 1348 ft)
Last Update:
1:53 am CST Nov 22, 2025
Forecast Valid:
2am CST Nov 22, 2025-6pm CST Nov 28, 2025
 
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