National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed Vrbl 5 mph
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 25 Aug 1:35 pm CDT
Extended Forecast for

Lewis IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. South southwest wind around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Light southwest wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light north northwest wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 88. Windy.

    High: 88 °F

    Partly Sunny
    and Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. South southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 63. Light southwest wind.
Wednesday
Sunny, with a high near 83. Light north northwest wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Saturday
Partly sunny, with a high near 88. Windy.
Saturday Night
Partly cloudy, with a low around 73. Breezy.
Sunday
Mostly sunny, with a high near 90. Breezy.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewis IA
 41.31°N 95.09°W
Last Update:
1:26 pm CDT Aug 25, 2026
Forecast Valid:
1pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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