Thunderstorms and Heavy Rain Possible in the Northern and Central Plains and New Mexico; Dangerous Heat Continues

Severe thunderstorms, capable of producing damaging winds and isolated large hail, and heavy rainfall are possible across the northern and central Plains. Monsoonal thunderstorms may produce heavy rainfall and possible flash flooding across New Mexico. Dangerous, long duration heat will continue over much of the central and eastern U.S. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Partly Cloudy

75°F

24°C

Humidity	41%
Wind Speed	N 0 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	29 Jul 08:35 PM MDT

More Information:

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

Extended Forecast for

Helena MTSimilar City Names

Tonight
Low: 59 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 83 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 59 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 85 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 60 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 85 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 59 °F
Chance
Showers then
Partly Cloudy
Saturday
High: 83 °F
Sunny then
Chance
Showers
Saturday Night
Low: 57 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 59. North northeast wind 5 to 8 mph becoming calm after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 83. Calm wind becoming north northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Northeast wind 5 to 9 mph becoming calm after midnight.

Thursday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

Thursday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 60. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.

Friday

Showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Partly sunny, with a high near 85. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

Friday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Southwest wind around 6 mph.

Saturday

A chance of showers after noon. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.

Sunday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 79.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

Tuesday

A slight chance of showers. Mostly sunny, with a high near 80.