Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

69°F

21°C

Humidity 39%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Jun 08:43 PM MDT
Extended Forecast for

3 Miles ENE Big Arm MT

  • Tonight

    Tonight: Mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm  after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain before 2pm, then a slight chance of rain after 3pm.  Sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 79 °F

    Sunny then
    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 9pm.  Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. North wind 3 to 5 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. North wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West southwest wind around 6 mph becoming calm after midnight.
Sunday
A slight chance of rain before 2pm, then a slight chance of rain after 3pm. Sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of rain before 9pm. Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 76. North wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 82.
Friday Night
A chance of rain. Mostly cloudy, with a low around 54.
Saturday
Rain likely. Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Big Arm MT
 47.8°N 114.22°W (Elev. 3068 ft)
2:01 pm MDT Jun 20, 2026
9pm MDT Jun 20, 2026-6pm MDT Jun 27, 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