Mid-Atlantic Severe Storms; Western Heat and Fire Weather Threats

A frontal system will produce a line of severe thunderstorms with potential for damaging winds, hail, and locally heavy rain in the Central Appalachians. Isolated storms may develop in the High Plains, Upper Midwest, and northern Gulf Coast. Dangerous heat and critical fire weather threats will develop across the Southwest and Great Basin. Record highs will be possible into the High Plains. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Clear

19°C

66°F

Humidity 42%
Wind Speed E 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 14 Jun 12:55 AM MDT
Extended Forecast for

Lewistown MT

Heat Advisory June 14, 08:00am until June 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 16. East southeast wind 11 to 14 km/h.

    Mostly Clear

    Low: 16 °C

  • Monday

    Monday: Sunny, with a high near 34. East southeast wind 13 to 21 km/h, with gusts as high as 35 km/h.

    Sunny

    High: 34 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 16. Southeast wind 10 to 18 km/h, with gusts as high as 32 km/h.

    Mostly Clear

    Low: 16 °C

  • Tuesday

    Tuesday: Sunny and hot, with a high near 36. South southeast wind 10 to 15 km/h becoming south 18 to 23 km/h in the afternoon. Winds could gust as high as 45 km/h.

    Hot

    High: 36 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 11. West northwest wind 16 to 23 km/h, with gusts as high as 37 km/h.

    Mostly Clear

    Low: 11 °C

  • Wednesday

    Wednesday: Sunny, with a high near 25. West northwest wind 16 to 24 km/h, with gusts as high as 45 km/h.

    Sunny

    High: 25 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 9. Northwest wind 16 to 21 km/h becoming south southwest 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h.

    Mostly Clear

    Low: 9 °C

  • Thursday

    Thursday: Sunny, with a high near 24. West southwest wind 10 to 16 km/h becoming north northwest in the afternoon. Winds could gust as high as 35 km/h.

    Sunny

    High: 24 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 8.

    Mostly Clear

    Low: 8 °C

Detailed Forecast

Overnight
Mostly clear, with a low around 16. East southeast wind 11 to 14 km/h.
Monday
Sunny, with a high near 34. East southeast wind 13 to 21 km/h, with gusts as high as 35 km/h.
Monday Night
Mostly clear, with a low around 16. Southeast wind 10 to 18 km/h, with gusts as high as 32 km/h.
Tuesday
Sunny and hot, with a high near 36. South southeast wind 10 to 15 km/h becoming south 18 to 23 km/h in the afternoon. Winds could gust as high as 45 km/h.
Tuesday Night
Mostly clear, with a low around 11. West northwest wind 16 to 23 km/h, with gusts as high as 37 km/h.
Wednesday
Sunny, with a high near 25. West northwest wind 16 to 24 km/h, with gusts as high as 45 km/h.
Wednesday Night
Mostly clear, with a low around 9. Northwest wind 16 to 21 km/h becoming south southwest 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h.
Thursday
Sunny, with a high near 24. West southwest wind 10 to 16 km/h becoming north northwest in the afternoon. Winds could gust as high as 35 km/h.
Thursday Night
Mostly clear, with a low around 8.
Friday
Sunny, with a high near 26.
Friday Night
Mostly clear, with a low around 11.
Saturday
Sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 25.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
8:39 pm MDT Jun 13, 2021
1am MDT Jun 14, 2021-6pm MDT Jun 20, 2021
 
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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