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

Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain from Tropical Storm Moke will begin to impact the Big Island today, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Repeated storms and heavy rainfall may cause flash flooding from the Plains into the Lower MS Valley. Dangerous heat persists across the South. Read More >

Hazardous Weather Conditions

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Fair

77°F

25°C

Humidity 54%
Wind Speed Vrbl 5 mph
Barometer 30.12 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Aug 1:55 pm CDT
Extended Forecast for

2 Miles S Johnston IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Light west northwest wind.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of sprinkles after 4am. Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Chance
    Sprinkles

  • Monday

    Monday: A chance of sprinkles before 8am. Mostly sunny, with a high near 81. Calm wind becoming south southeast around 6 mph in the morning.

    High: 81 °F

    Chance
    Sprinkles

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm after midnight.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Light west northwest wind.
Tonight
A chance of sprinkles after 4am. Partly cloudy, with a low around 61. Calm wind.
Monday
A chance of sprinkles before 8am. Mostly sunny, with a high near 81. Calm wind becoming south southeast around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 84.
Friday Night
A 50 percent chance of showers. Partly cloudy, with a low around 66.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Johnston IA
 41.67°N 93.71°W
Last Update:
1:26 pm CDT Aug 23, 2026
Forecast Valid:
2pm CDT Aug 23, 2026-6pm CDT Aug 29, 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