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Hazardous Weather Conditions

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Overcast

66°F

19°C

Humidity 83%
Wind Speed SE 9 mph
Barometer 29.97 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Jun 2:15 am CDT
Extended Forecast for

Galva IA

Heat Advisory June 28, 01:00pm until June 29, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 60. East southeast wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 70. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing and hot, with a high near 95. Heat index values as high as 104. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph.

    High: 95 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny and hot, with a high near 97. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 97 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 75. Breezy. Chance of precipitation is 50%.

    Low: 75 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. East southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 81. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 70. Southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing and hot, with a high near 95. Heat index values as high as 104. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny and hot, with a high near 97. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 75. Breezy. Chance of precipitation is 50%.
Tuesday
Mostly sunny and hot, with a high near 95.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 74.
Friday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galva IA
 42.5°N 95.41°W (Elev. 1345 ft)
Last Update:
1:48 am CDT Jun 27, 2026
Forecast Valid:
2am CDT Jun 27, 2026-6pm CDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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