What is today's weather forecast for Lake Hattie Reservoir, WY?

Today's forecast for Lake Hattie Reservoir shows a low of 32 degrees Fahrenheit. Partly cloudy, with a low around 32.

What is the 7-day weather forecast for Lake Hattie Reservoir, WY?

The 7-day forecast for Lake Hattie Reservoir shows highs from 40 to 51 degrees and lows from 21 to 34 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Lake Hattie Reservoir, WY this week?

Yes, rain is possible in Lake Hattie Reservoir this week. Precipitation chances: Wednesday (40% chance), Friday (50% chance), Saturday (50% chance).

How accurate is the Lake Hattie Reservoir weather forecast?

WeatherForYou provides highly accurate Lake Hattie Reservoir forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Lake Hattie Reservoir, WY Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

44°F
Feels Like 41°F

Humidity 24% Dew Point 9°F Wind SSW 6 MPH Gusts 11 Barometer 30.3 in.

Report from a MADIS/MESONET weather station 5.5 mi. SSE of central Lake Hattie Reservoir
at 10:15 PM Sun, Dec 14, 2025

Point Forecast at a Glance

SunDec 14

MonDec 15

TueDec 16

WedDec 17

20%

ThuDec 18

FriDec 19

SatDec 20

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 40°F to 51°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 12°F above the historical average for December. Normal highs for this period are around 34°F with lows around 10°F.

This Date in Weather History

1924 - The temperature at Helena, MT, plunged 79 degrees in 24 hours, and 88 degrees in 34 hours. The mercury plummeted from 63 above to 25 below zero. At Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63 at Noon to 21 below zero at midnight.

Lake Hattie Reservoir, WY 7 Day Weather Forecast Details

Sunday Dec 14

Night: Partly cloudy, with a low around 32. Southwest wind around 10 mph.

Monday Dec 15

Day: Mostly sunny, with a high near 51. Southwest wind 10 to 15 mph.

Night: Partly cloudy, with a low around 34. West southwest wind 10 to 15 mph.

Tuesday Dec 16

Day: Mostly sunny, with a high near 49. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.

Night: Partly cloudy, with a low around 33. Southwest wind around 15 mph.

Wednesday Dec 17

Day: A slight chance of rain and snow after 11am. Mostly sunny, with a high near 48. Windy. Chance of precipitation is 20%.

Night: A 40 percent chance of snow. Partly cloudy, with a low around 21. Breezy.

Thursday Dec 18

Day: Partly sunny, with a high near 40. Breezy.

Night: Mostly cloudy, with a low around 33. Breezy.

Friday Dec 19

Day: Mostly sunny, with a high near 50. Breezy.

Night: A slight chance of rain and snow. Mostly cloudy, with a low around 34. Breezy.

Saturday Dec 20

Day: A chance of snow. Mostly sunny, with a high near 42. Breezy.

Night: A slight chance of snow. Partly cloudy, with a low around 27.

Sunday Dec 21

Day: Mostly sunny, with a high near 43. Breezy.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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