Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from May 22, 06:00 PM MDT until May 23, 12:00 PM MDT

Current conditions at

Boulder Hill I-15 MP 170.9 (MTBOU)

Lat: 46.3233°NLon: 112.06891°WElev: 5593.0ft.

39°F

4°C

Humidity	56%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	21 May 07:30 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles ENE Boulder MT

Winter Storm Watch May 22, 06:00pm until May 23, 12:00pm

Click here for hazard details and duration

Winter Storm Watch

Today
High: 50 °F
Mostly Sunny
then Chance
Rain/Snow
Tonight
Low: 38 °F
Slight Chance
T-storms then
Mostly Cloudy
Wednesday
High: 47 °F
Chance
Rain/Snow
then Showers
Wednesday Night
Low: 32 °F
Rain/Snow
then Heavy
Snow
Thursday
High: 38 °F
Heavy Snow
Thursday Night
Low: 28 °F
Slight Chance
Rain/Snow
then Partly
Cloudy
Friday
High: 50 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 35 °F
Slight Chance
Rain then
Mostly Cloudy
Saturday
High: 50 °F
Slight Chance
Rain/Snow
then Showers
Likely

Detailed Forecast

Today

A chance of rain and snow showers between noon and 4pm, then a chance of rain showers after 4pm. Some thunder is also possible. Increasing clouds, with a high near 50. West northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 38. West wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

Wednesday

A chance of rain and snow before noon, then rain showers. Some thunder is also possible. High near 47. South wind 3 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Wednesday Night

Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers after midnight. The snow could be heavy at times. Some thunder is also possible. Low around 32. North northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday

Snow before noon, then snow showers after noon. The snow could be heavy at times. Some thunder is also possible. High near 38. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

A slight chance of rain and snow before midnight. Partly cloudy, with a low around 28. Northwest wind around 7 mph becoming west southwest after midnight. Chance of precipitation is 20%.

Friday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 50. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

Friday Night

A slight chance of rain before midnight. Mostly cloudy, with a low around 35. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

Saturday

A slight chance of rain and snow before 9am, then a slight chance of rain between 9am and noon, then rain showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 50.

Saturday Night

Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 32.

Sunday

A chance of rain and snow. Partly sunny, with a high near 48.

Sunday Night

A slight chance of rain. Partly cloudy, with a low around 33.

Memorial Day

A slight chance of rain. Sunny, with a high near 58.