Rumbles of Thunder

Today is the kick off of the free weekend at South Dakota state parks and a weekend of free fishing.

Last year’s free weekend was a little soggy. Okay, friends of mine were soaked to the bone at Orman.

A few waves of showers and thundershowers will move across us this afternoon through tonight. The first wave arrives early this afternoon with thunder rumbling from Hettinger to Beach, south to Ludlow and Spearfish by 1pm. The rain will be moving from southwest to northeast at a pretty good clip of 30 mph, so it shouldn’t take long to overrun all of us.

Along with brief squirts of heavy rain, some hail will be possible.

More waves of rain will move through as the afternoon and evening wears on.

Most of the showers should be over by 9am tomorrow although there may be some sprinkles until noon in and around McIntosh, Faith and Elgin. Wet weather will end at Bismarck by noon but continue at Mobridge through mid-afternoon. Some sunshine will poke out across Ludlow, Newell and Dickinson by noon.

The next round of rain will arrive Wednesday and continue through Friday. The slow moving storm system will dump anywhere from an inch to three inches of rain across western South Dakota and western North Dakota.

The Lemmon Forecast:
This afternoon.. Scattered thunderstorms. High near 80. Wind NW 15 to 30 mph.
Tonight.. Evening thunderstorms and then showers for the rest of the night. Low in the upper 40s. Wind NW 25 mph.
Saturday.. Showers end during the morning, then some afternoon sunshine. High in the mid 60s. Wind NW 20 mph and gusty.
Saturday night.. Clearing. There will be areas of frost at Mott, Elgin, Hettinger and Bison. Lows 33 to 40.
Sunday.. Mostly sunny. High in the lower 70s. Wind SE 12 mph.
Monday and Tuesday.. Mostly sunny. Highs in the lower 80s.
Wednesday.. Showers and thunderstorms. Highs in the upper 60s.

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Turning Up The Heat

The atmospheric blast furnace will be blowing wide open today as temperatures climb to near 90. The humidity will be fairly low again today with dew points in the 40s and the wind will be light, mainly from the northwest and north.

A storm system lumbering across the Rockies will launch isolated thunderstorms tonight and again tomorrow night. Tomorrow night will be the big fireworks with isolated severe storms popping out large hail and damaging wind gusts of 80mph.

Many of us will pick up half an inch of rain from the thunderstorms with isolated locales see more than 1 inch.

More rain is forecast for Wednesday and Thursday.

The Lemmon Forecast:
Today… Partly sunny. Isolated thunderstorms are possible after 4pm. High near 90. Wind NW to N 5 to 15 mph.
Tonight.. Isolated evening thunderstorms then partly cloudy. Low in the lower 50s. Wind E 10 mph.
Friday.. Scattered afternoon thunderstorms. High near 80. Wind E 10 to 15 mph.
Friday night.. Scattered thunderstorms, some severe during the evening. Low in the lower 50s.
Saturday… Morning showers, then partly sunny. High in the mid 60s.
Sunday.. Mostly sunny. High around 70.
Monday.. Mostly sunny. High around 80.

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How’s Your Dirt?

How dry is dry?

Some analysis of soil moisture show there’s adequate or more than adequate moisture. Others show a deficit. So which is it?

The reality check is that the soil, in areas indicated by yellow on this map, could use another 1 to 3 inches of rain in the top layer. The tan color indicates about a 3 inch deficit.

These are rainfall amounts we can easily make up if we can just get some more rain.

This week will fairly dry with only a couple of isolated showers around Wednesday night. There will be a better chance for rain Friday night and Saturday. Then, next week two storm systems will affect us, one of which may dump heavy rain on us Memorial Day weekend.

The Lemmon Forecast:
Today.. Sunny. High in the mid 80s. Wind W 10 mph.
Tonight.. Clear. Low in the upper 40s. Wind N 5 mph.
Tuesday.. Sunny. High around 80. Wind E to SE 10 mph.
Tuesday night.. Clear. Low in the mid 40s.
Wednesday.. Partly sunny. An overnight shower is possible. High in the mid 80s.
Thursday.. Partly sunny. High in the mid 80s.
Friday.. Partly sunny. High in the lower 80s.
Saturday… Showers and windy. High in the upper 60s.

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A Hot April

It’s no real surprise that April was one of the warmest on record for the state.

It was also the 3rd warmest April on in the last 118 years for the entire country.

Along with the warm weather it was also one of the wettest. Does that make us a tropical paradise? Not exactly – but we have run headlong into summer a month early.

Showers back in the forecast Thursday night.

High pressure will be over us and we’ll have a slow warming trend, rising from the 50s Friday to low 70s on Sunday.

The Lemmon Forecast:
Today.. Partly sunny. High in the low to mid 70s. Wind S 10 mph.
Tonight.. Clear to partly cloudy. Low in the upper 40s. Wind SE 8 mph.
Thursday.. Isolated thunderstorms after 3pm. High in the low 80s. Wind S 15 mph.
Thursday night.. Isolated showers. Low in the upper 30s. Wind NW 20 gusting to 40 mph.
Friday.. Partly sunny. High in the upper 50s.
Saturday.. Sunny. High in the mid 60s.
Sunday.. Sunny. High around 70.
Monday.. Mostly sunny. High in the mid 70s.

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Needed Rainfall

Area reservoirs, with the exception of Shadehill, are 93% to 99% full today.
Shadehill is 72% full but more water is flowing in than flowing out this morning.

Rainfall has been substantial during the past week and at least half an inch most areas. This week will be a little drier with the best chance of thunderstorms Thursday night.

Temperatures this week will average near normal.

Low lying areas will be frosty tonight as temperatures slip into the mid 30s after the wind tames down. Gusts will be up around 45 mph at times throughout the day, diminish after 7pm.

Lemmon Forecast:
Today.. Mostly sunny. High around 60. Wind NW 20 to 40 mph.
Tonight.. Clear. Low in the mid 30s. Wind NW 6 mph.
Tuesday.. Mostly sunny. High near 60. Wind N 15 mph.
Tuesday night.. Clear. Low around 38.
Wednesday.. Mostly sunny. High in the low 70s.
Thursday.. Mostly sunny. High in the mid 70s.
Friday.. Partly sunny. High near 60.

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