Detailed Forecast
Lewistown, MT 59457
Today
6/2/2012
At 1258 PM mdt...National Weather Service Doppler radar indicated a strong thunderstorm 12 miles northeast of Roy...moving northeast at 30 mph. The thunderstorm will generally remain over rural areas of northeastern Fergus County and the upper Missouri breaks recreation area including the Fred Robinson bridge area. Hail up to a half inch in diameter...wind gusts to 50 mph...heavy rainfall and frequent lightning strikes can be expected from this storm. Take shelter from the storm in a sturdy building. Boaters on area lakes or rivers should return to shore. Remember...lightning can strike up to 15 miles from the parent thunderstorm. If you can hear thunder...you are close enough to be struck by lightning.
Partly cloudy in the morning. Showers likely and scattered thunderstorms in the afternoon. Some thunderstorms may produce damaging winds...large hail and heavy rainfall in the afternoon. Highs 75 to 80. Southwest winds 5 to 15 mph. Chance of precipitation 70 percent.
Mostly cloudy with a 50 percent chance of showers and thunderstorms in the evening...then partly cloudy after midnight. Lows 45 to 50. West winds 10 to 20 mph with gusts to 30 mph... Decreasing to 5 to 10 mph after midnight.
Sunday
6/3/2012
Increasing clouds with a 20 percent chance of showers and thunderstorms in the afternoon. Highs 70 to 75. West winds 5 to 10 mph.
Mostly cloudy with a slight chance of showers and thunderstorms in the evening...then partly cloudy with a slight chance of rain showers after midnight. Lows 45 to 50. West winds 5 to 10 mph...shifting to the southeast up to 5 mph after midnight. Chance of precipitation 20 percent.
Monday
6/4/2012
Partly cloudy with a slight chance of showers and thunderstorms in the morning...then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 80 to 85. East winds up to 10 mph. Chance of precipitation 40 percent.
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 50 to 55.
Tuesday
6/5/2012
Partly cloudy with a 50 percent chance of showers and thunderstorms. Highs 75 to 85.
Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows 45 to 50.
Wednesday
6/6/2012
Mostly cloudy with a 20 percent chance of showers and thunderstorms. Cooler. Highs 60 to 65.
Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 50. Highs 60 to 70.
Thursday
6/7/2012
Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 50. Highs 60 to 70.
Partly cloudy. Lows 45 to 50. Highs 65 to 75.
Friday
6/8/2012
Partly cloudy. Lows 45 to 50. Highs 65 to 75.
Hourly Forecast for Lewistown, MT 59457
| Time | Conditions | Sky Cover | Chance of Precip. | Heat Index Wind Chill | Wind |
|---|---|---|---|---|---|
| Saturday, June 02, 2012 | |||||
| 3 pm |
| 93% | 76% | 76° F | From WSW 11 mph |
| 4 pm |
| 85% | 76% | 74° F | From WSW 12 mph |
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