Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

HARKNESS (HRKM8)

Lat: 44.465°NLon: 112.95194°WElev: 8400.0ft.

NA

55°F

13°C

Humidity 52%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 14 Jul 03:05 AM MDT
Extended Forecast for

20 Miles SW Lima MT

  • Overnight

    Overnight: Mostly clear, with a low around 50. West wind around 8 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 76. West wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 49. West northwest wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after noon.  Sunny through mid morning, then becoming mostly cloudy, with a high near 72. Southwest wind 7 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    High: 72 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 42. North wind around 15 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 67. North wind 8 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North northwest wind 6 to 9 mph becoming east after midnight.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South southwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 50. West wind around 8 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 76. West wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. West northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Tuesday
Showers and thunderstorms likely after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 72. Southwest wind 7 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. North wind around 15 mph, with gusts as high as 26 mph.
Wednesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 67. North wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 45. North northwest wind 6 to 9 mph becoming east after midnight.
Thursday
Sunny, with a high near 74. South southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 48.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SW Lima MT
 44.45°N 112.87°W (Elev. 8724 ft)
2:13 am MDT Jul 14, 2025
3am MDT Jul 14, 2025-6pm MDT Jul 20, 2025
 
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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