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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Heat Building in the West

Storm surge flooding and tropical storm conditions are expected in the Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Tropical storm conditions are possible along the eastern shore of Virginia Thursday. Hurricane Erin will continue to produce life-threatening surf and rip currents along much of the east coast of the U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

79°F

26°C

Humidity 77%
Wind Speed N 5 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 7:53 pm CDT
Extended Forecast for

2 Miles S Martinsburg IA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. North northeast wind 3 to 8 mph.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. East northeast wind around 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. East northeast wind around 6 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. North northeast wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 63. East northeast wind around 7 mph.
Thursday
Sunny, with a high near 81. East northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Martinsburg IA
 41.15°N 92.24°W
Last Update:
7:20 pm CDT Aug 19, 2025
Forecast Valid:
8pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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