Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

48°F

9°C

Humidity	68%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	12 Aug 02:00 AM MDT

More Information:

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

Extended Forecast for

12 Miles NNE Ovando MT

Overnight
Low: 51 °F
Patchy Smoke
Wednesday
High: 69 °F
Patchy Smoke
then Slight
Chance
T-storms
Wednesday Night
Low: 49 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 62 °F
Chance Rain
then Showers
Likely
Thursday Night
Low: 48 °F
Showers then
Chance Rain
Friday
High: 61 °F
Slight Chance
Rain then
Showers
Likely
Friday Night
Low: 47 °F
Chance
Showers then
Mostly Cloudy
Saturday
High: 67 °F
Mostly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 50 °F
Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Overnight

Patchy smoke. Partly cloudy, with a low around 51. North northeast wind 3 to 5 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke. Partly sunny through mid morning, then becoming sunny, with a high near 69. Northeast wind 5 to 8 mph becoming south in the afternoon.

Wednesday Night

A chance of rain and thunderstorms before 1am, then a chance of rain between 1am and 3am, then a chance of showers and thunderstorms after 3am. Patchy smoke before 7pm. Mostly cloudy, with a low around 49. East northeast wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

Thursday

A chance of rain and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy smoke between 1pm and 3pm. Partly sunny, with a high near 62. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Low around 48. East northeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

Saturday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.

Saturday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.

Sunday

Mostly sunny, with a high near 70.

Sunday Night

Partly cloudy, with a low around 52.

Monday

Mostly sunny, with a high near 70.

Monday Night

A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 52.