Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

66°F

19°C

Humidity	40%
Wind Speed	SSE 2 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	10 Aug 09:39 PM MDT

More Information:

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

Extended Forecast for

11 Miles WNW Silver Gate MT

Tonight
Low: 47 °F
Smoke
Tuesday
High: 72 °F
Patchy Smoke
Tuesday Night
Low: 49 °F
Patchy Smoke
Wednesday
High: 68 °F
Areas Smoke
then Slight
Chance
T-storms
Wednesday Night
Low: 46 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 62 °F
Partly Sunny
then Showers
Likely
Thursday Night
Low: 45 °F
Showers
Friday
High: 56 °F
Showers
Likely then
T-storms
Friday Night
Low: 43 °F
Showers then
Chance
Showers

Detailed Forecast

Tonight

Widespread smoke, mainly between midnight and 3am. Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm after midnight.

Tuesday

Patchy smoke. Sunny, with a high near 72. Light west wind increasing to 10 to 15 mph in the afternoon.

Tuesday Night

Patchy smoke. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 49. West wind 8 to 13 mph becoming light and variable after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms after 5pm. Areas of smoke. Mostly cloudy, with a high near 68. Light and variable wind becoming north northwest 5 to 10 mph in the morning.

Wednesday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Patchy smoke before 9pm. Mostly cloudy, with a low around 46. North northeast wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 40%.

Thursday

Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

Thursday Night

Showers and possibly a thunderstorm. Low around 45. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.

Friday

Showers likely, then showers and possibly a thunderstorm after noon. High near 56. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 90%.

Friday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 43. West southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 80%.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 70%.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42. West wind around 6 mph becoming light and variable in the evening.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 62. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

Sunday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West wind 5 to 9 mph becoming southeast after midnight.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 63. South southeast wind 5 to 11 mph becoming west southwest in the afternoon.