Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

61°F

16°C

Humidity 93%
Wind Speed N 10 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 31 Jul 6:56 am EDT
Extended Forecast for

6 Miles SE Ogontz ME

  • Today

    Today: Isolated showers after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 74. North wind 6 to 9 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Patchy Fog
    then Isolated
    Showers

  • Tonight

    Tonight: Areas of fog after 1am.  Otherwise, partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Areas
    Fog

  • Saturday

    Saturday: Areas of fog before 9am.  Otherwise, partly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 79. South wind 5 to 9 mph.  Chance of precipitation is 20%.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely, mainly after 3am.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 59. South wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 73. South wind around 9 mph.  Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. North wind 6 to 9 mph. Chance of precipitation is 20%.
Tonight
Areas of fog after 1am. Otherwise, partly cloudy, with a low around 53. Calm wind.
Saturday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind.
Saturday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Light south wind.
Sunday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. South wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely, mainly after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 59. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73. South wind around 9 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Ogontz ME
 45.76°N 69.65°W (Elev. 1243 ft)
6:23 am EDT Jul 31, 2026
7am EDT Jul 31, 2026-6pm EDT Aug 6, 2026
 
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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