Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair

73°F

23°C

Humidity	94%
Wind Speed	SE 7 mph
Barometer	29.99 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	17 Aug 7:55 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles N Lytton IA

Today
High: 91 °F
Sunny
Tonight
Low: 72 °F
Chance
T-storms
Monday
High: 89 °F
Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 81 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 72. South wind around 9 mph becoming east southeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 102. South wind around 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 68. West northwest wind 3 to 6 mph.

Tuesday

Mostly sunny, with a high near 84. North wind around 7 mph.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 59.

Thursday

Sunny, with a high near 81.