Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

GREENFIELDS (GFMT)

Lat: 47.65833°NLon: 111.8125°WElev: 3820.0ft.

NA

N/A

Humidity 35%
Wind Speed NNW 6 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 10 Jun 10:00 AM MDT
Extended Forecast for

Simms MT

  • Today

    Today: A chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 83. Light and variable wind becoming north 5 to 10 mph in the afternoon.  Chance of precipitation is 50%.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 48. Northeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 51. East wind 6 to 9 mph becoming west southwest after midnight.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 81. West northwest wind 6 to 9 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. West northwest wind 7 to 10 mph becoming south southwest in the evening.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. West southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 83. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 50%.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 48. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. East wind 6 to 9 mph becoming west southwest after midnight.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 81. West northwest wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 48. West northwest wind 7 to 10 mph becoming south southwest in the evening.
Wednesday
Sunny, with a high near 84. West southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 50. West southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Juneteenth
Mostly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 52.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
A chance of showers. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Simms MT
 47.48°N 111.93°W (Elev. 3665 ft)
5:20 am MDT Jun 15, 2025
6am MDT Jun 15, 2025-6pm MDT Jun 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database