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

81°F

27°C

Humidity	89%
Wind Speed	S 6 mph
Barometer	29.92 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	17 Aug 7:15 pm CDT

More Information:

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

Extended Forecast for

5 Miles NNW Wall Lake IA

Tonight
Low: 72 °F
Partly Cloudy
then Chance
T-storms
Monday
High: 88 °F
Slight Chance
T-storms then
Mostly Sunny
Monday Night
Low: 69 °F
Slight Chance
T-storms
Tuesday
High: 85 °F
Mostly Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 61 °F
Mostly Clear

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 72. Southeast wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms before 10am. Partly sunny, with a high near 88. South wind 7 to 11 mph becoming west in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. North wind around 6 mph.

Tuesday

Mostly sunny, with a high near 85. North northeast wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 63. Northeast wind 5 to 7 mph.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 60.

Thursday

Sunny, with a high near 82.