National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storms, Potentially, Significant in the Northern Tier; Fire Weather Threats in the West

An upper level system in the northwestern U.S. will produce another day of thunderstorms across the West and into the Central U.S. Primary threats will be damaging winds and large hail. Very large hail and significant winds will be possible from the Northern Rockies into the Northern Plains. Strong winds and dry thunderstorms keep fire weather threats elevated to critical in the Great Basin. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Partly Cloudy

11°C

52°F

Humidity 87%
Wind Speed NW 6 MPH
Barometer 30.00 in
Dewpoint 9°C (48°F)
Visibility 16 km
Last update 27 Jun 4:20 am MDT
Extended Forecast for

Lewistown MT

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a low around 12. Southeast wind around 11 km/h.

    Chance Rain

    Low: 12 °C

  • Thursday

    Thursday: A chance of rain, mainly between 11am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 26. East southeast wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Chance of precipitation is 50%.

    Chance Rain
    then Severe
    Thunderstorms

    High: 26 °C

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 9. South southeast wind 18 to 23 km/h becoming west 5 to 10 km/h in the evening. Winds could gust as high as 32 km/h.

    Severe
    Thunderstorms
    then Patchy
    Fog

    Low: 9 °C

  • Friday

    Friday: A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Patchy fog before 9am. Otherwise, partly sunny, with a high near 24. Light and variable wind becoming northeast 6 to 11 km/h in the afternoon. Chance of precipitation is 50%.

    Chance Rain
    and Patchy
    Fog then
    Severe
    Thunderstorms

    High: 24 °C

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 9. East wind 5 to 13 km/h becoming west northwest after midnight. Chance of precipitation is 50%.

    Severe
    Thunderstorms
    then Chance
    Rain

    Low: 9 °C

  • Saturday

    Saturday: A 50 percent chance of rain. Partly sunny, with a high near 23.

    Chance Rain

    High: 23 °C

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 9.

    Chance
    Showers

    Low: 9 °C

  • Sunday

    Sunday: Rain likely, mainly after noon. Mostly sunny, with a high near 23.

    Rain Likely

    High: 23 °C

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 10.

    Showers
    Likely then
    Chance
    T-storms

    Low: 10 °C

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 12. Southeast wind around 11 km/h.
Thursday
A chance of rain, mainly between 11am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 26. East southeast wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 9. South southeast wind 18 to 23 km/h becoming west 5 to 10 km/h in the evening. Winds could gust as high as 32 km/h.
Friday
A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Patchy fog before 9am. Otherwise, partly sunny, with a high near 24. Light and variable wind becoming northeast 6 to 11 km/h in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 9. East wind 5 to 13 km/h becoming west northwest after midnight. Chance of precipitation is 50%.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 23.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 9.
Sunday
Rain likely, mainly after noon. Mostly sunny, with a high near 23.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 10.
Monday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 26.
Monday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 11.
Tuesday
A chance of rain and thunderstorms. Mostly sunny, with a high near 25.
Tuesday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 10.
Wednesday
A chance of rain and thunderstorms. Partly sunny, with a high near 23.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
Last Update:
4:24 am MDT Jun 27, 2019
Forecast Valid:
4am MDT Jun 27, 2019-6pm MDT Jul 3, 2019
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation