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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Gordon Municipal (KGRN)

Lat: 42.8°NLon: 102.17°WElev: 3560ft.

Fair

93°F

34°C

Humidity 31%
Wind Speed SE 12 G 17 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Aug 5:15 pm MDT
Extended Forecast for

Martin SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. East wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. South wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. East wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. South wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 91. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 95.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martin SD
 43.16°N 101.74°W (Elev. 3301 ft)
Last Update:
4:50 pm MDT Aug 15, 2025
Forecast Valid:
5pm MDT Aug 15, 2025-6pm MDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation