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.

Fair

32°F

0°C

Humidity 87%
Wind Speed W 17 mph
Barometer 30.15 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 11 Jan 11:55 pm CST
Extended Forecast for

Arthur IA

  • Overnight

    Overnight: Partly cloudy early, then becoming cloudy, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Becoming
    Cloudy

  • Monday

    Monday: Sunny, with a high near 49. West southwest wind 5 to 10 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 54 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Blustery, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    Low: 24 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. Blustery, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy early, then becoming cloudy, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 49. West southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 24. Blustery, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Wednesday
Mostly sunny, with a high near 31. Blustery, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 38.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 30.
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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:
11:23 pm CST Jan 11, 2026
Forecast Valid:
12am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation