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.

Fog/Mist

63°F

17°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.99 in
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Last update 18 Sep 10:15 pm CDT
Extended Forecast for

Arthur IA

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. West southwest wind 5 to 10 mph.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. South southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 75. South southwest wind around 5 mph.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. South southwest wind around 5 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. West southwest wind 5 to 10 mph.
Friday Night
A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. South southwest wind around 5 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 75. South southwest wind around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. South southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arthur IA
 42.33°N 95.35°W (Elev. 1348 ft)
Last Update:
10:08 pm CDT Sep 18, 2025
Forecast Valid:
10pm CDT Sep 18, 2025-6pm CDT Sep 25, 2025
 
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Additional Resources

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Chance of Precipitation